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/*
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* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.jfr.consumer;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.time.Duration;
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import java.time.Instant;
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import java.time.OffsetDateTime;
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import java.util.List;
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import java.util.Objects;
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import jdk.jfr.Timespan;
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import jdk.jfr.Timestamp;
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import jdk.jfr.ValueDescriptor;
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import jdk.jfr.internal.PrivateAccess;
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import jdk.jfr.internal.tool.PrettyWriter;
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/**
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* A complex data type that consists of one or more fields.
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* <p>
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* This class provides methods to select and query nested objects by passing a
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* dot {@code "."} delimited {@code String} object (for instance,
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* {@code "aaa.bbb"}). A method evaluates a nested object from left to right,
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* and if a part is {@code null}, it throws {@code NullPointerException}.
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*
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* @since 9
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*/
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public class RecordedObject {
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private final static class UnsignedValue {
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private final Object o;
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UnsignedValue(Object o) {
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this.o = o;
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}
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Object value() {
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return o;
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}
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}
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private final Object[] objects;
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private final List<ValueDescriptor> descriptors;
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private final TimeConverter timeConverter;
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// package private, not to be subclassed outside this package
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RecordedObject(List<ValueDescriptor> descriptors, Object[] objects, TimeConverter timeConverter) {
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this.descriptors = descriptors;
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this.objects = objects;
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this.timeConverter = timeConverter;
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}
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// package private
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final <T> T getTyped(String name, Class<T> clazz, T defaultValue) {
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// Unnecessary to check field presence twice, but this
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// will do for now.
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if (!hasField(name)) {
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return defaultValue;
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}
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T object = getValue(name);
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if (object == null || object.getClass().isAssignableFrom(clazz)) {
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return object;
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} else {
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return defaultValue;
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}
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}
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/**
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* Returns {@code true} if a field with the given name exists, {@code false}
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* otherwise.
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*
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* @param name name of the field to get, not {@code null}
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*
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* @return {@code true} if the field exists, {@code false} otherwise.
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*
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* @see #getFields()
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*/
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public boolean hasField(String name) {
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Objects.requireNonNull(name);
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for (ValueDescriptor v : descriptors) {
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if (v.getName().equals(name)) {
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return true;
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}
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}
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int dotIndex = name.indexOf(".");
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if (dotIndex > 0) {
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String structName = name.substring(0, dotIndex);
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for (ValueDescriptor v : descriptors) {
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if (!v.getFields().isEmpty() && v.getName().equals(structName)) {
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RecordedObject child = getValue(structName);
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if (child != null) {
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return child.hasField(name.substring(dotIndex + 1));
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}
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}
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}
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}
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return false;
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}
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/**
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* Returns the value of the field with the given name.
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* <p>
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* The return type may be a primitive type or a subclass of
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* {@link RecordedObject}.
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* <p>
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* It's possible to index into a nested object by using {@code "."} (for
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* instance {@code "thread.group.parent.name}").
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* <p>
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* A field might change or be removed in a future JDK release. A best practice
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* for callers of this method is to validate the field before attempting access.
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* <p>
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* Example
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*
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* <pre>
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* <code>
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* if (event.hasField("intValue")) {
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* int intValue = event.getValue("intValue");
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* System.out.println("Int value: " + intValue);
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* }
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*
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* if (event.hasField("objectClass")) {
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* RecordedClass clazz = event.getValue("objectClass");
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* System.out.println("Class name: " + clazz.getName());
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* }
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*
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* if (event.hasField("sampledThread")) {
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* RecordedThread sampledThread = event.getValue("sampledThread");
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* System.out.println("Sampled thread: " + sampledThread.getName());
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* }
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* </code>
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* </pre>
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*
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* @param <T> the return type
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* @param name of the field to get, not {@code null}
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* @throws IllegalArgumentException if no field called {@code name} exists
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*
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* @return the value, can be {@code null}
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*
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* @see #hasField(String)
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*
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*/
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final public <T> T getValue(String name) {
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@SuppressWarnings("unchecked")
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T t = (T) getValue(name, false);
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return t;
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}
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private Object getValue(String name, boolean allowUnsigned) {
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Objects.requireNonNull(name);
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int index = 0;
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for (ValueDescriptor v : descriptors) {
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if (name.equals(v.getName())) {
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Object object = objects[index];
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if (object == null) {
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// error or missing
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return null;
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}
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if (v.getFields().isEmpty()) {
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if (allowUnsigned && PrivateAccess.getInstance().isUnsigned(v)) {
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// Types that are meaningless to widen
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if (object instanceof Character || object instanceof Long) {
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return object;
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}
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return new UnsignedValue(object);
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}
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return object; // primitives and primitive arrays
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} else {
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if (object instanceof RecordedObject) {
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// known types from factory
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return object;
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}
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// must be array type
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Object[] array = (Object[]) object;
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if (v.isArray()) {
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// struct array
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return structifyArray(v, array, 0);
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}
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// struct
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return new RecordedObject(v.getFields(), (Object[]) object, timeConverter);
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}
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}
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index++;
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}
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int dotIndex = name.indexOf(".");
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if (dotIndex > 0) {
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String structName = name.substring(0, dotIndex);
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for (ValueDescriptor v : descriptors) {
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if (!v.getFields().isEmpty() && v.getName().equals(structName)) {
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RecordedObject child = getValue(structName);
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String subName = name.substring(dotIndex + 1);
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if (child != null) {
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return child.getValue(subName, allowUnsigned);
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} else {
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// Call getValueDescriptor to trigger IllegalArgumentException if the name is
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// incorrect. Type can't be validate due to type erasure
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getValueDescriptor(v.getFields(), subName, null);
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throw new NullPointerException("Field value for \"" + structName + "\" was null. Can't access nested field \"" + subName + "\"");
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}
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}
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}
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}
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throw new IllegalArgumentException("Could not find field with name " + name);
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}
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// Returns the leaf value descriptor matches both name or value, or throws an
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// IllegalArgumentException
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private ValueDescriptor getValueDescriptor(List<ValueDescriptor> descriptors, String name, String leafType) {
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int dotIndex = name.indexOf(".");
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if (dotIndex > 0) {
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String first = name.substring(0, dotIndex);
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String second = name.substring(dotIndex + 1);
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for (ValueDescriptor v : descriptors) {
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if (v.getName().equals(first)) {
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List<ValueDescriptor> fields = v.getFields();
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if (!fields.isEmpty()) {
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return getValueDescriptor(v.getFields(), second, leafType);
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}
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}
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}
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throw new IllegalArgumentException("Attempt to get unknown field \"" + first + "\"");
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}
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for (ValueDescriptor v : descriptors) {
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if (v.getName().equals(name)) {
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if (leafType != null && !v.getTypeName().equals(leafType)) {
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throw new IllegalArgumentException("Attempt to get " + v.getTypeName() + " field \"" + name + "\" with illegal data type conversion " + leafType);
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}
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return v;
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}
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}
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throw new IllegalArgumentException("\"Attempt to get unknown field \"" + name + "\"");
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}
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// Gets a value, but checks that type and name is correct first
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// This is to prevent a call to getString on a thread field, that is
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// null to succeed.
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private <T> T getTypedValue(String name, String typeName) {
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Objects.requireNonNull(name);
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// Validate name and type first
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getValueDescriptor(descriptors, name, typeName);
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return getValue(name);
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}
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private Object[] structifyArray(ValueDescriptor v, Object[] array, int dimension) {
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if (array == null) {
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return null;
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}
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Object[] structArray = new Object[array.length];
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for (int i = 0; i < structArray.length; i++) {
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Object arrayElement = array[i];
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if (dimension == 0) {
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// No general way to handle structarrays
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// without invoking ObjectFactory for every instance (which may require id)
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if (isStackFrameType(v.getTypeName())) {
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structArray[i] = new RecordedFrame(v.getFields(), (Object[]) arrayElement, timeConverter);
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} else {
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structArray[i] = new RecordedObject(v.getFields(), (Object[]) arrayElement, timeConverter);
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}
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} else {
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structArray[i] = structifyArray(v, (Object[]) arrayElement, dimension - 1);
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}
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}
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return structArray;
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}
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private boolean isStackFrameType(String typeName) {
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if (ObjectFactory.STACK_FRAME_VERSION_1.equals(typeName)) {
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return true;
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}
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if (ObjectFactory.STACK_FRAME_VERSION_2.equals(typeName)) {
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return true;
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}
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return false;
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}
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/**
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* Returns an immutable list of the fields for this object.
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*
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* @return the fields, not {@code null}
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*/
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public List<ValueDescriptor> getFields() {
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return descriptors;
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}
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/**
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* Returns the value of a field of type {@code boolean}.
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* <p>
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* It's possible to index into a nested object using {@code "."} (for example,
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* {@code "aaa.bbb"}).
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* <p>
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* A field might change or be removed in a future JDK release. A best practice
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* for callers of this method is to validate the field before attempting access.
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*
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* @param name name of the field to get, not {@code null}
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*
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* @return the value of the field, {@code true} or {@code false}
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*
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* @throws IllegalArgumentException if the field doesn't exist, or the field is
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* not of type {@code boolean}
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*
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* @see #hasField(String)
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* @see #getValue(String)
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*/
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public final boolean getBoolean(String name) {
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Object o = getValue(name);
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if (o instanceof Boolean) {
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return ((Boolean) o).booleanValue();
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}
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throw newIllegalArgumentException(name, "boolean");
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}
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/**
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* Returns the value of a field of type {@code byte}.
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* <p>
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* It's possible to index into a nested object using {@code "."} (for example,
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* {@code "foo.bar"}).
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* <p>
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* A field might change or be removed in a future JDK release. A best practice
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* for callers of this method is to validate the field before attempting access.
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*
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* @param name of the field to get, not {@code null}
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*
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* @return the value of the field
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*
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* @throws IllegalArgumentException if the field doesn't exist, or the field is
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* not of type {@code byte}
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*
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* @see #hasField(String)
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* @see #getValue(String)
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*/
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public final byte getByte(String name) {
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Object o = getValue(name);
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if (o instanceof Byte) {
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return ((Byte) o).byteValue();
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}
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throw newIllegalArgumentException(name, "byte");
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}
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/**
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* Returns the value of a field of type {@code char}.
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* <p>
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* It's possible to index into a nested object using {@code "."} (for example,
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* {@code "aaa.bbb"}).
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* <p>
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* A field might change or be removed in a future JDK release. A best practice
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* for callers of this method is to validate the field before attempting access.
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*
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* @param name of the field to get, not {@code null}
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*
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* @return the value of the field as a {@code char}
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*
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* @throws IllegalArgumentException if the field doesn't exist, or the field is
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* not of type {@code char}
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*
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* @see #hasField(String)
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* @see #getValue(String)
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*/
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public final char getChar(String name) {
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Object o = getValue(name);
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if (o instanceof Character) {
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return ((Character) o).charValue();
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}
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throw newIllegalArgumentException(name, "char");
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}
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/**
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* Returns the value of a field of type {@code short} or of another primitive
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* type convertible to type {@code short} by a widening conversion.
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* <p>
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* This method can be used on the following types: {@code short} and {@code byte}.
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* <p>
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* If the field has the {@code @Unsigned} annotation and is of a narrower type
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* than {@code short}, then the value is returned as an unsigned.
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* <p>
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* It's possible to index into a nested object using {@code "."} (for example,
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* {@code "aaa.bbb"}).
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* <p>
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* A field might change or be removed in a future JDK release. A best practice
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* for callers of this method is to validate the field before attempting access.
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*
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* @param name of the field to get, not {@code null}
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*
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* @return the value of the field converted to type {@code short}
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*
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* @throws IllegalArgumentException if the field doesn't exist, or the field
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* value can't be converted to the type {@code short} by a widening
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* conversion
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*
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* @see #hasField(String)
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* @set #getValue(String)
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*/
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|
417 |
public final short getShort(String name) {
|
|
418 |
Object o = getValue(name, true);
|
|
419 |
if (o instanceof Short) {
|
|
420 |
return ((Short) o).shortValue();
|
|
421 |
}
|
|
422 |
if (o instanceof Byte) {
|
|
423 |
return ((Byte) o).byteValue();
|
|
424 |
}
|
|
425 |
if (o instanceof UnsignedValue) {
|
|
426 |
Object u = ((UnsignedValue) o).value();
|
|
427 |
if (u instanceof Short) {
|
|
428 |
return ((Short) u).shortValue();
|
|
429 |
}
|
|
430 |
if (u instanceof Byte) {
|
|
431 |
return (short) Byte.toUnsignedInt(((Byte) u));
|
|
432 |
}
|
|
433 |
}
|
|
434 |
throw newIllegalArgumentException(name, "short");
|
|
435 |
}
|
|
436 |
|
|
437 |
/**
|
|
438 |
* Returns the value of a field of type {@code int} or of another primitive type
|
|
439 |
* that is convertible to type {@code int} by a widening conversion.
|
|
440 |
* <p>
|
|
441 |
* This method can be used on fields of the following types: {@code int},
|
|
442 |
* {@code short}, {@code char}, and {@code byte}.
|
|
443 |
* <p>
|
|
444 |
* If the field has the {@code @Unsigned} annotation and is of a narrower type
|
|
445 |
* than {@code int}, then the value will be returned as an unsigned.
|
|
446 |
* <p>
|
|
447 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
448 |
* {@code "aaa.bbb"}).
|
|
449 |
* <p>
|
|
450 |
* A field might change or be removed in a future JDK release. A best practice
|
|
451 |
* for callers of this method is to validate the field before attempting access.
|
|
452 |
*
|
|
453 |
* @param name of the field to get, not {@code null}
|
|
454 |
*
|
|
455 |
* @return the value of the field converted to type {@code int}
|
|
456 |
*
|
|
457 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
458 |
* value can't be converted to the type {@code int} by a widening
|
|
459 |
* conversion
|
|
460 |
*
|
|
461 |
* @see #hasField(String)
|
|
462 |
* @set #getValue(String)
|
|
463 |
*/
|
|
464 |
public final int getInt(String name) {
|
|
465 |
Object o = getValue(name, true);
|
|
466 |
if (o instanceof Integer) {
|
|
467 |
return ((Integer) o).intValue();
|
|
468 |
}
|
|
469 |
if (o instanceof Short) {
|
|
470 |
return ((Short) o).intValue();
|
|
471 |
}
|
|
472 |
if (o instanceof Character) {
|
|
473 |
return ((Character) o).charValue();
|
|
474 |
}
|
|
475 |
if (o instanceof Byte) {
|
|
476 |
return ((Byte) o).intValue();
|
|
477 |
}
|
|
478 |
if (o instanceof UnsignedValue) {
|
|
479 |
Object u = ((UnsignedValue) o).value();
|
|
480 |
if (u instanceof Integer) {
|
|
481 |
return ((Integer) u).intValue();
|
|
482 |
}
|
|
483 |
if (u instanceof Short) {
|
|
484 |
return Short.toUnsignedInt(((Short) u));
|
|
485 |
}
|
|
486 |
if (u instanceof Byte) {
|
|
487 |
return Byte.toUnsignedInt(((Byte) u));
|
|
488 |
}
|
|
489 |
}
|
|
490 |
throw newIllegalArgumentException(name, "int");
|
|
491 |
}
|
|
492 |
|
|
493 |
/**
|
|
494 |
* Returns the value of a field of type {@code float} or of another primitive
|
|
495 |
* type convertible to type {@code float} by a widening conversion.
|
|
496 |
* <p>
|
|
497 |
* This method can be used on fields of the following types: {@code float},
|
|
498 |
* {@code long}, {@code int}, {@code short}, {@code char}, and {@code byte}.
|
|
499 |
* <p>
|
|
500 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
501 |
* {@code "aaa.bbb"}).
|
|
502 |
* <p>
|
|
503 |
* A field might change or be removed in a future JDK release. A best practice
|
|
504 |
* for callers of this method is to validate the field before attempting access.
|
|
505 |
*
|
|
506 |
* @param name of the field to get, not {@code null}
|
|
507 |
*
|
|
508 |
* @return the value of the field converted to type {@code float}
|
|
509 |
*
|
|
510 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
511 |
* value can't be converted to the type {@code float} by a widening
|
|
512 |
* conversion
|
|
513 |
*
|
|
514 |
* @see #hasField(String)
|
|
515 |
* @set #getValue(String)
|
|
516 |
*/
|
|
517 |
public final float getFloat(String name) {
|
|
518 |
Object o = getValue(name);
|
|
519 |
if (o instanceof Float) {
|
|
520 |
return ((Float) o).floatValue();
|
|
521 |
}
|
|
522 |
if (o instanceof Long) {
|
|
523 |
return ((Long) o).floatValue();
|
|
524 |
}
|
|
525 |
if (o instanceof Integer) {
|
|
526 |
return ((Integer) o).floatValue();
|
|
527 |
}
|
|
528 |
if (o instanceof Short) {
|
|
529 |
return ((Short) o).floatValue();
|
|
530 |
}
|
|
531 |
if (o instanceof Byte) {
|
|
532 |
return ((Byte) o).byteValue();
|
|
533 |
}
|
|
534 |
if (o instanceof Character) {
|
|
535 |
return ((Character) o).charValue();
|
|
536 |
}
|
|
537 |
throw newIllegalArgumentException(name, "float");
|
|
538 |
}
|
|
539 |
|
|
540 |
/**
|
|
541 |
* Returns the value of a field of type {@code long} or of another primitive
|
|
542 |
* type that is convertible to type {@code long} by a widening conversion.
|
|
543 |
* <p>
|
|
544 |
* This method can be used on fields of the following types: {@code long},
|
|
545 |
* {@code int}, {@code short}, {@code char}, and {@code byte}.
|
|
546 |
* <p>
|
|
547 |
* If the field has the {@code @Unsigned} annotation and is of a narrower type
|
|
548 |
* than {@code long}, then the value will be returned as an unsigned.
|
|
549 |
* <p>
|
|
550 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
551 |
* {@code "aaa.bbb"}).
|
|
552 |
* <p>
|
|
553 |
* A field might change or be removed in a future JDK release. A best practice
|
|
554 |
* for callers of this method is to validate the field before attempting access.
|
|
555 |
*
|
|
556 |
* @param name of the field to get, not {@code null}
|
|
557 |
*
|
|
558 |
* @return the value of the field converted to type {@code long}
|
|
559 |
*
|
|
560 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
561 |
* value can't be converted to the type {@code long} via a widening
|
|
562 |
* conversion
|
|
563 |
*
|
|
564 |
* @see #hasField(String)
|
|
565 |
* @set #getValue(String)
|
|
566 |
*/
|
|
567 |
public final long getLong(String name) {
|
|
568 |
Object o = getValue(name, true);
|
|
569 |
if (o instanceof Long) {
|
|
570 |
return ((Long) o).longValue();
|
|
571 |
}
|
|
572 |
if (o instanceof Integer) {
|
|
573 |
return ((Integer) o).longValue();
|
|
574 |
}
|
|
575 |
if (o instanceof Short) {
|
|
576 |
return ((Short) o).longValue();
|
|
577 |
}
|
|
578 |
if (o instanceof Character) {
|
|
579 |
return ((Character) o).charValue();
|
|
580 |
}
|
|
581 |
if (o instanceof Byte) {
|
|
582 |
return ((Byte) o).longValue();
|
|
583 |
}
|
|
584 |
if (o instanceof UnsignedValue) {
|
|
585 |
Object u = ((UnsignedValue) o).value();
|
|
586 |
if (u instanceof Integer) {
|
|
587 |
return Integer.toUnsignedLong(((Integer) u));
|
|
588 |
}
|
|
589 |
if (u instanceof Short) {
|
|
590 |
return Short.toUnsignedLong(((Short) u));
|
|
591 |
}
|
|
592 |
if (u instanceof Byte) {
|
|
593 |
return Byte.toUnsignedLong(((Byte) u));
|
|
594 |
}
|
|
595 |
}
|
|
596 |
throw newIllegalArgumentException(name, "long");
|
|
597 |
}
|
|
598 |
|
|
599 |
/**
|
|
600 |
* Returns the value of a field of type {@code double} or of another primitive
|
|
601 |
* type that is convertible to type {@code double} by a widening conversion.
|
|
602 |
* <p>
|
|
603 |
* This method can be used on fields of the following types: {@code double}, {@code float},
|
|
604 |
* {@code long}, {@code int}, {@code short}, {@code char}, and {@code byte}.
|
|
605 |
* <p>
|
|
606 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
607 |
* {@code "aaa.bbb"}).
|
|
608 |
* <p>
|
|
609 |
* A field might change or be removed in a future JDK release. A best practice
|
|
610 |
* for callers of this method is to validate the field before attempting access.
|
|
611 |
*
|
|
612 |
* @param name of the field to get, not {@code null}
|
|
613 |
*
|
|
614 |
* @return the value of the field converted to type {@code double}
|
|
615 |
*
|
|
616 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
617 |
* value can't be converted to the type {@code double} by a widening
|
|
618 |
* conversion
|
|
619 |
*
|
|
620 |
* @see #hasField(String)
|
|
621 |
* @set #getValue(String)
|
|
622 |
*/
|
|
623 |
public final double getDouble(String name) {
|
|
624 |
Object o = getValue(name);
|
|
625 |
if (o instanceof Double) {
|
|
626 |
return ((Double) o).doubleValue();
|
|
627 |
}
|
|
628 |
if (o instanceof Float) {
|
|
629 |
return ((Float) o).doubleValue();
|
|
630 |
}
|
|
631 |
if (o instanceof Long) {
|
|
632 |
return ((Long) o).doubleValue();
|
|
633 |
}
|
|
634 |
if (o instanceof Integer) {
|
|
635 |
return ((Integer) o).doubleValue();
|
|
636 |
}
|
|
637 |
if (o instanceof Short) {
|
|
638 |
return ((Short) o).doubleValue();
|
|
639 |
}
|
|
640 |
if (o instanceof Byte) {
|
|
641 |
return ((Byte) o).byteValue();
|
|
642 |
}
|
|
643 |
if (o instanceof Character) {
|
|
644 |
return ((Character) o).charValue();
|
|
645 |
}
|
|
646 |
throw newIllegalArgumentException(name, "double");
|
|
647 |
}
|
|
648 |
|
|
649 |
/**
|
|
650 |
* Returns the value of a field of type {@code String}.
|
|
651 |
* <p>
|
|
652 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
653 |
* {@code "foo.bar"}).
|
|
654 |
* <p>
|
|
655 |
* A field might change or be removed in a future JDK release. A best practice
|
|
656 |
* for callers of this method is to validate the field before attempting access.
|
|
657 |
*
|
|
658 |
* @param name of the field to get, not {@code null}
|
|
659 |
*
|
|
660 |
* @return the value of the field as a {@code String}, can be {@code null}
|
|
661 |
*
|
|
662 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
663 |
* isn't of type {@code String}
|
|
664 |
*
|
|
665 |
* @see #hasField(String)
|
|
666 |
* @set #getValue(String)
|
|
667 |
*/
|
|
668 |
public final String getString(String name) {
|
|
669 |
return getTypedValue(name, "java.lang.String");
|
|
670 |
}
|
|
671 |
|
|
672 |
/**
|
|
673 |
* Returns the value of a timespan field.
|
|
674 |
* <p>
|
|
675 |
* This method can be used on fields annotated with {@code @Timespan}, and of
|
|
676 |
* the following types: {@code long}, {@code int}, {@code short}, {@code char},
|
|
677 |
* and {@code byte}.
|
|
678 |
* <p>
|
|
679 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
680 |
* {@code "aaa.bbb"}).
|
|
681 |
* <p>
|
|
682 |
* A field might change or be removed in a future JDK release. A best practice
|
|
683 |
* for callers of this method is to validate the field before attempting access.
|
|
684 |
*
|
|
685 |
* @param name of the field to get, not {@code null}
|
|
686 |
*
|
|
687 |
* @return a time span represented as a {@code Duration}, not {@code null}
|
|
688 |
*
|
|
689 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
690 |
* value can't be converted to a {@code Duration} object
|
|
691 |
*
|
|
692 |
* @see #hasField(String)
|
|
693 |
* @set #getValue(String)
|
|
694 |
*/
|
|
695 |
public final Duration getDuration(String name) {
|
|
696 |
Object o = getValue(name);
|
|
697 |
if (o instanceof Long) {
|
|
698 |
return getDuration(((Long) o).longValue(), name);
|
|
699 |
}
|
|
700 |
if (o instanceof Integer) {
|
|
701 |
return getDuration(((Integer) o).longValue(), name);
|
|
702 |
}
|
|
703 |
if (o instanceof Short) {
|
|
704 |
return getDuration(((Short) o).longValue(), name);
|
|
705 |
}
|
|
706 |
if (o instanceof Character) {
|
|
707 |
return getDuration(((Character) o).charValue(), name);
|
|
708 |
}
|
|
709 |
if (o instanceof Byte) {
|
|
710 |
return getDuration(((Byte) o).longValue(), name);
|
|
711 |
}
|
|
712 |
if (o instanceof UnsignedValue) {
|
|
713 |
Object u = ((UnsignedValue) o).value();
|
|
714 |
if (u instanceof Integer) {
|
|
715 |
return getDuration(Integer.toUnsignedLong((Integer) u), name);
|
|
716 |
}
|
|
717 |
if (u instanceof Short) {
|
|
718 |
return getDuration(Short.toUnsignedLong((Short) u), name);
|
|
719 |
}
|
|
720 |
if (u instanceof Byte) {
|
|
721 |
return getDuration(Short.toUnsignedLong((Byte) u), name);
|
|
722 |
}
|
|
723 |
}
|
|
724 |
throw newIllegalArgumentException(name, "java,time.Duration");
|
|
725 |
}
|
|
726 |
|
|
727 |
private Duration getDuration(long timespan, String name) throws InternalError {
|
|
728 |
ValueDescriptor v = getValueDescriptor(descriptors, name, null);
|
|
729 |
Timespan ts = v.getAnnotation(Timespan.class);
|
|
730 |
if (ts != null) {
|
|
731 |
switch (ts.value()) {
|
|
732 |
case Timespan.MICROSECONDS:
|
|
733 |
return Duration.ofNanos(1000 * timespan);
|
|
734 |
case Timespan.SECONDS:
|
|
735 |
return Duration.ofSeconds(timespan);
|
|
736 |
case Timespan.MILLISECONDS:
|
|
737 |
return Duration.ofMillis(timespan);
|
|
738 |
case Timespan.NANOSECONDS:
|
|
739 |
return Duration.ofNanos(timespan);
|
|
740 |
case Timespan.TICKS:
|
|
741 |
return Duration.ofNanos(timeConverter.convertTimespan(timespan));
|
|
742 |
}
|
|
743 |
throw new IllegalArgumentException("Attempt to get " + v.getTypeName() + " field \"" + name + "\" with illegal timespan unit " + ts.value());
|
|
744 |
}
|
|
745 |
throw new IllegalArgumentException("Attempt to get " + v.getTypeName() + " field \"" + name + "\" with missing @Timespan");
|
|
746 |
}
|
|
747 |
|
|
748 |
/**
|
|
749 |
* Returns the value of a timestamp field.
|
|
750 |
* <p>
|
|
751 |
* This method can be used on fields annotated with {@code @Timestamp}, and of
|
|
752 |
* the following types: {@code long}, {@code int}, {@code short}, {@code char}
|
|
753 |
* and {@code byte}.
|
|
754 |
* <p>
|
|
755 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
756 |
* {@code "aaa.bbb"}).
|
|
757 |
* <p>
|
|
758 |
* A field might change or be removed in a future JDK release. A best practice
|
|
759 |
* for callers of this method is to validate the field before attempting access.
|
|
760 |
*
|
|
761 |
* @param name of the field to get, not {@code null}
|
|
762 |
*
|
|
763 |
* @return a timstamp represented as an {@code Instant}, not {@code null}
|
|
764 |
*
|
|
765 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
766 |
* value can't be converted to an {@code Instant} object
|
|
767 |
*
|
|
768 |
* @see #hasField(String)
|
|
769 |
* @set #getValue(String)
|
|
770 |
*/
|
|
771 |
public final Instant getInstant(String name) {
|
|
772 |
Object o = getValue(name, true);
|
|
773 |
if (o instanceof Long) {
|
|
774 |
return getInstant(((Long) o).longValue(), name);
|
|
775 |
}
|
|
776 |
if (o instanceof Integer) {
|
|
777 |
return getInstant(((Integer) o).longValue(), name);
|
|
778 |
}
|
|
779 |
if (o instanceof Short) {
|
|
780 |
return getInstant(((Short) o).longValue(), name);
|
|
781 |
}
|
|
782 |
if (o instanceof Character) {
|
|
783 |
return getInstant(((Character) o).charValue(), name);
|
|
784 |
}
|
|
785 |
if (o instanceof Byte) {
|
|
786 |
return getInstant(((Byte) o).longValue(), name);
|
|
787 |
}
|
|
788 |
if (o instanceof UnsignedValue) {
|
|
789 |
Object u = ((UnsignedValue) o).value();
|
|
790 |
if (u instanceof Integer) {
|
|
791 |
return getInstant(Integer.toUnsignedLong((Integer) u), name);
|
|
792 |
}
|
|
793 |
if (u instanceof Short) {
|
|
794 |
return getInstant(Short.toUnsignedLong((Short) u), name);
|
|
795 |
}
|
|
796 |
if (u instanceof Byte) {
|
|
797 |
return getInstant(Short.toUnsignedLong((Byte) u), name);
|
|
798 |
}
|
|
799 |
}
|
|
800 |
throw newIllegalArgumentException(name, "java,time.Instant");
|
|
801 |
}
|
|
802 |
|
|
803 |
private Instant getInstant(long timestamp, String name) {
|
|
804 |
ValueDescriptor v = getValueDescriptor(descriptors, name, null);
|
|
805 |
Timestamp ts = v.getAnnotation(Timestamp.class);
|
|
806 |
if (ts != null) {
|
|
807 |
switch (ts.value()) {
|
|
808 |
case Timestamp.MILLISECONDS_SINCE_EPOCH:
|
|
809 |
return Instant.ofEpochMilli(timestamp);
|
|
810 |
case Timestamp.TICKS:
|
|
811 |
return Instant.ofEpochSecond(0, timeConverter.convertTimestamp(timestamp));
|
|
812 |
}
|
|
813 |
throw new IllegalArgumentException("Attempt to get " + v.getTypeName() + " field \"" + name + "\" with illegal timestamp unit " + ts.value());
|
|
814 |
}
|
|
815 |
throw new IllegalArgumentException("Attempt to get " + v.getTypeName() + " field \"" + name + "\" with missing @Timestamp");
|
|
816 |
}
|
|
817 |
|
|
818 |
/**
|
|
819 |
* Returns the value of a field of type {@code Class}.
|
|
820 |
* <p>
|
|
821 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
822 |
* {@code "aaa.bbb"}).
|
|
823 |
* <p>
|
|
824 |
* A field might change or be removed in a future JDK release. A best practice
|
|
825 |
* for callers of this method is to validate the field before attempting access.
|
|
826 |
*
|
|
827 |
* @param name of the field to get, not {@code null}
|
|
828 |
*
|
|
829 |
* @return the value of the field as a {@code RecordedClass}, can be
|
|
830 |
* {@code null}
|
|
831 |
*
|
|
832 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
833 |
* isn't of type {@code Class}
|
|
834 |
*
|
|
835 |
* @see #hasField(String)
|
|
836 |
* @set #getValue(String)
|
|
837 |
*/
|
|
838 |
public final RecordedClass getClass(String name) {
|
|
839 |
return getTypedValue(name, "java.lang.Class");
|
|
840 |
}
|
|
841 |
|
|
842 |
/**
|
|
843 |
* Returns the value of a field of type {@code Thread}.
|
|
844 |
* <p>
|
|
845 |
* It's possible to index into a nested object using {@code "."} (for example,
|
|
846 |
* {@code "foo.bar"}).
|
|
847 |
* <p>
|
|
848 |
* A field might change or be removed in a future JDK release. A best practice
|
|
849 |
* for callers of this method is to validate the field before attempting access.
|
|
850 |
*
|
|
851 |
* @param name of the field to get, not {@code null}
|
|
852 |
*
|
|
853 |
* @return the value of the field as a {@code RecordedThread} object, can be
|
|
854 |
* {@code null}
|
|
855 |
*
|
|
856 |
* @throws IllegalArgumentException if the field doesn't exist, or the field
|
|
857 |
* isn't of type {@code Thread}
|
|
858 |
*
|
|
859 |
* @see #hasField(String)
|
|
860 |
* @set #getValue(String)
|
|
861 |
*/
|
|
862 |
public final RecordedThread getThread(String name) {
|
|
863 |
return getTypedValue(name, "java.lang.Thread");
|
|
864 |
}
|
|
865 |
|
|
866 |
/**
|
|
867 |
* Returns a textual representation of this object.
|
|
868 |
*
|
|
869 |
* @return textual description of this object
|
|
870 |
*/
|
|
871 |
@Override
|
|
872 |
final public String toString() {
|
|
873 |
StringWriter s = new StringWriter();
|
|
874 |
PrettyWriter p = new PrettyWriter(new PrintWriter(s));
|
52850
|
875 |
p.setStackDepth(5);
|
|
876 |
if (this instanceof RecordedEvent) {
|
|
877 |
p.print((RecordedEvent) this);
|
|
878 |
} else {
|
|
879 |
p.print(this, "");
|
|
880 |
}
|
|
881 |
p.flush(true);
|
|
882 |
return s.toString();
|
|
883 |
}
|
50113
|
884 |
|
52850
|
885 |
// package private for now. Used by EventWriter
|
|
886 |
OffsetDateTime getOffsetDateTime(String name) {
|
|
887 |
return OffsetDateTime.ofInstant(getInstant(name), timeConverter.getZoneOffset());
|
50113
|
888 |
}
|
|
889 |
|
|
890 |
private static IllegalArgumentException newIllegalArgumentException(String name, String typeName) {
|
|
891 |
return new IllegalArgumentException("Attempt to get field \"" + name + "\" with illegal data type conversion " + typeName);
|
|
892 |
}
|
|
893 |
}
|