src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedClass.java
author mgronlun
Wed, 30 Oct 2019 19:43:52 +0100
changeset 58863 c16ac7a2eba4
parent 50113 caf115bb98ad
permissions -rw-r--r--
8226511: Implement JFR Event Streaming Reviewed-by: egahlin, mseledtsov, mgronlun Contributed-by: erik.gahlin@oracle.com, mikhailo.seledtsov@oracle.com, markus.gronlund@oracle.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     1
/*
58863
c16ac7a2eba4 8226511: Implement JFR Event Streaming
mgronlun
parents: 50113
diff changeset
     2
 * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     4
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    10
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    15
 * accompanied this code).
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    16
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    20
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    23
 * questions.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    24
 */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    25
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    26
package jdk.jfr.consumer;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    27
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    28
import java.lang.reflect.Modifier;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    29
58863
c16ac7a2eba4 8226511: Implement JFR Event Streaming
mgronlun
parents: 50113
diff changeset
    30
import jdk.jfr.internal.consumer.ObjectContext;
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    31
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    32
/**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    33
 * A recorded Java type, such as a class or an interface.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    34
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    35
 * @since 9
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    36
 */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    37
public final class RecordedClass extends RecordedObject {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    38
    private final long uniqueId;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    39
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    40
    // package private
58863
c16ac7a2eba4 8226511: Implement JFR Event Streaming
mgronlun
parents: 50113
diff changeset
    41
    RecordedClass(ObjectContext objectContext, long id, Object[] values) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming
mgronlun
parents: 50113
diff changeset
    42
        super(objectContext, values);
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    43
        this.uniqueId = id;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    44
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    45
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    46
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    47
     * Returns the modifiers of the class.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    48
     * <p>
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    49
     * See {@link java.lang.reflect.Modifier}
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    50
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    51
     * @return the modifiers
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    52
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    53
     * @see Modifier
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    54
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    55
    public int getModifiers() {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    56
        return getTyped("modifiers", Integer.class, -1);
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    57
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    58
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    59
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    60
     * Returns the class loader that defined the class.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    61
     * <P>
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    62
     * If the bootstrap class loader is represented as {@code null} in the Java
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    63
     * Virtual Machine (JVM), then {@code null} is also the return value of this method.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    64
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    65
     * @return the class loader defining this class, can be {@code null}
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    66
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    67
    public RecordedClassLoader getClassLoader() {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    68
        return getTyped("classLoader", RecordedClassLoader.class, null);
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    69
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    70
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    71
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    72
     * Returns the fully qualified name of the class (for example,
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    73
     * {@code "java.lang.String"}).
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    74
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    75
     * @return the class name, not {@code null}
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    76
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    77
    public String getName() {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    78
        return getTyped("name", String.class, null).replace("/", ".");
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    79
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    80
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    81
    /**
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    82
     * Returns a unique ID for the class.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    83
     * <p>
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    84
     * The ID might not be the same between Java Virtual Machine (JVM) instances.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    85
     *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    86
     * @return a unique ID
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    87
     */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    88
    public long getId() {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    89
        return uniqueId;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    90
    }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    91
}