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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.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import jdk.jfr.ValueDescriptor;
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import jdk.jfr.internal.Type;
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/**
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* A recorded stack trace.
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*
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* @since 9
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*/
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public final class RecordedStackTrace extends RecordedObject {
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static ObjectFactory<RecordedStackTrace> createFactory(Type type, TimeConverter timeConverter) {
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return new ObjectFactory<RecordedStackTrace>(type) {
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@Override
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RecordedStackTrace createTyped(List<ValueDescriptor> desc, long id, Object[] object) {
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return new RecordedStackTrace(desc, object, timeConverter);
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}
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};
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}
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private RecordedStackTrace(List<ValueDescriptor> desc, Object[] values, TimeConverter timeConverter) {
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super(desc, values, timeConverter);
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}
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/**
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* Returns the frames in the stack trace.
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*
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* @return a list of Java stack frames, not {@code null}
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*/
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@SuppressWarnings("unchecked")
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public List<RecordedFrame> getFrames() {
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Object[] array = getTyped("frames", Object[].class, null);
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if (array == null) {
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return Collections.EMPTY_LIST;
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}
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List<?> list = Arrays.asList(array);
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return (List<RecordedFrame>) list;
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}
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/**
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* Returns {@code true} if the stack trace is truncated due to its size,
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* {@code false} otherwise.
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*
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* @return {@code true} if the stack trace is truncated, {@code false}
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* otherwise
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*/
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public boolean isTruncated() {
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return getTyped("truncated", Boolean.class, true);
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}
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}
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