author | egahlin |
Thu, 06 Jun 2019 15:22:12 +0200 | |
changeset 55256 | 3b22c7e00573 |
parent 50113 | caf115bb98ad |
permissions | -rw-r--r-- |
50113 | 1 |
/* |
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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.management.jfr; |
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import java.time.Duration; |
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import java.time.Instant; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import javax.management.openmbean.CompositeData; |
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import javax.management.openmbean.TabularData; |
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import jdk.jfr.Recording; |
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import jdk.jfr.RecordingState; |
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55256
3b22c7e00573
8224217: RecordingInfo should use textual representation of path
egahlin
parents:
50113
diff
changeset
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import jdk.jfr.internal.management.ManagementSupport; |
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/** |
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* Management representation of a {@code Recording}. |
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* |
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* @see Recording |
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* |
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* @since 9 |
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*/ |
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public final class RecordingInfo { |
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private final long id; |
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private final String name; |
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private final String state; |
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private final boolean dumpOnExit; |
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private final long size; |
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private final boolean disk; |
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private final long maxAge; |
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private final long maxSize; |
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private final long startTime; |
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private final long stopTime; |
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private final String destination; |
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private final long durationInSeconds; |
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private final Map<String, String> settings; |
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// package private |
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RecordingInfo(Recording recording) { |
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id = recording.getId(); |
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name = recording.getName(); |
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state = recording.getState().toString(); |
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dumpOnExit = recording.getDumpOnExit(); |
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size = recording.getSize(); |
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disk = recording.isToDisk(); |
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Duration d = recording.getMaxAge(); |
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if (d == null) { |
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maxAge = 0; |
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} else { |
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maxAge = d.getSeconds(); |
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} |
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maxSize = recording.getMaxSize(); |
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Instant s = recording.getStartTime(); |
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startTime = s == null ? 0L : s.toEpochMilli(); |
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Instant st = recording.getStopTime(); |
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stopTime = st == null ? 0L : st.toEpochMilli(); |
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55256
3b22c7e00573
8224217: RecordingInfo should use textual representation of path
egahlin
parents:
50113
diff
changeset
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destination = ManagementSupport.getDestinationOriginalText(recording); |
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Duration duration = recording.getDuration(); |
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durationInSeconds = duration == null ? 0 : duration.getSeconds(); |
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settings = recording.getSettings(); |
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} |
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private RecordingInfo(CompositeData cd) { |
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id = (int) cd.get("id"); |
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name = (String) cd.get("name"); |
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state = (String) cd.get("state"); |
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dumpOnExit = (boolean) cd.get("dumpOnExit"); |
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size = (long) cd.get("size"); |
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disk = (boolean) cd.get("disk"); |
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maxAge = (Long) cd.get("maxAge"); |
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maxSize = (Long) cd.get("maxSize"); |
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startTime = (Long) cd.get("startTime"); |
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stopTime = (Long) cd.get("stopTime"); |
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destination = (String) cd.get("destination"); |
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durationInSeconds = (long) cd.get("duration"); |
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settings = new LinkedHashMap<>(); |
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Object map = cd.get("settings"); |
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if (map instanceof TabularData) { |
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TabularData td = (TabularData) map; |
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List<String> keyNames = td.getTabularType().getIndexNames(); |
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int size = keyNames.size(); |
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for (Object keys : td.keySet()) { |
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Object[] keyValues = ((List<?>) keys).toArray(); |
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for (int i = 0; i < size; i++) { |
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String key = keyNames.get(i); |
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Object value = keyValues[i]; |
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if (value instanceof String) { |
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settings.put(key, (String) value); |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Returns the name of the recording associated with this |
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* {@code RecordingInfo}. |
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* |
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* @return the recording name, not {@code null} |
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* |
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* @see Recording#getName() |
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*/ |
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public String getName() { |
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return name; |
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} |
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/** |
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* Returns the unique ID for the recording associated with this |
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* {@code RecordingInfo}. |
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* |
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* @return the recording ID |
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* |
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* @see Recording#getId() |
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*/ |
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public long getId() { |
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return id; |
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} |
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/** |
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* Returns if the recording associated with this {@code RecordingInfo} |
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* should be dumped to file when the JVM exits. |
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* |
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* @return {@code true} if recording should be dumped on exit, {@code false} |
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* otherwise |
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* |
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* @see Recording#getDumpOnExit() |
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*/ |
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public boolean getDumpOnExit() { |
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return dumpOnExit; |
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} |
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/** |
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* Returns how many seconds data should be kept on disk, or {@code 0} if |
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* data is to be kept forever. |
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* <p> |
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* In-memory recordings are not affected by maximum age. |
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* |
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* @see Recording#getMaxAge() |
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* @see Recording#setToDisk(boolean) |
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* @return how long data should be kept on disk, measured in seconds |
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* |
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*/ |
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public long getMaxAge() { |
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return maxAge; |
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} |
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/** |
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* Returns the amount of data, measured in bytes, the recording associated |
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* with this {@code RecordingInfo}, should be kept on disk, before it's |
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* rotated away, or {@code 0} if data is to be kept indefinitely. |
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* <p> |
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* In-memory recordings are not affected by maximum size. |
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* |
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* @return the amount of data should be kept on disk, in bytes |
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* |
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* @see Recording#setToDisk(boolean) |
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* @see Recording#getMaxSize() |
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*/ |
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public long getMaxSize() { |
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return maxSize; |
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} |
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/** |
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* Returns a {@code String} representation of state of the recording |
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* associated with this {@code RecordingInfo}. |
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* <p> |
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* Valid return values are {@code "NEW"}, {@code "DELAYED"}, {@code "STARTING"}, |
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* {@code "RUNNING"}, {@code "STOPPING"}, {@code "STOPPED"} and {@code "CLOSED"}. |
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* |
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* @return the recording state, not {@code null} |
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* |
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* @see RecordingState#toString() |
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* @see Recording#getState() |
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*/ |
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public String getState() { |
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return state; |
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} |
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/** |
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* Returns start time of the recording associated with this |
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* {@code RecordingInfo}, measured as ms since epoch, or {@code null} if the |
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* recording hasn't started. |
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* |
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* @return the start time of the recording, or {@code null} if the recording |
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* hasn't started |
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* |
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* @see Recording#getStartTime() |
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*/ |
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public long getStartTime() { |
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return startTime; |
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} |
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/** |
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* Returns the actual or expected stop time of the recording associated with |
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* this {@code RecordingInfo}, measured as ms since epoch, or {@code null} |
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* if the expected or actual stop time is not known, which can only happen |
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* if the recording has not yet been stopped. |
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* |
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* @return the stop time of recording, or {@code null} if recording hasn't |
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* been stopped. |
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* |
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* @see Recording#getStopTime() |
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*/ |
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public long getStopTime() { |
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return stopTime; |
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} |
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/** |
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* Returns the settings for the recording associated with this |
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* {@code RecordingInfo}. |
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* |
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* @return the recording settings, not {@code null} |
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* |
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* @see Recording#getSettings() |
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*/ |
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public Map<String, String> getSettings() { |
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return settings; |
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} |
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/** |
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* Returns destination path where data, for the recording associated with |
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* this {@link RecordingInfo}, should be written when the recording stops, |
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* or {@code null} if the recording should not be written. |
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* |
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* @return the destination, or {@code null} if not set |
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* |
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* @see Recording#getDestination() |
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*/ |
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public String getDestination() { |
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return destination; |
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} |
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/** |
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* Returns a string description of the recording associated with this |
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* {@code RecordingInfo} |
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* |
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* @return description, not {@code null} |
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*/ |
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@Override |
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public String toString() { |
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Stringifier s = new Stringifier(); |
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s.add("name", name); |
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s.add("id", id); |
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s.add("maxAge", maxAge); |
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s.add("maxSize", maxSize); |
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return s.toString(); |
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} |
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/** |
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* Returns the amount data recorded by recording. associated with this |
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* {@link RecordingInfo}. |
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* |
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* @return the amount of recorded data, measured in bytes |
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*/ |
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public long getSize() { |
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return size; |
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} |
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/** |
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* Returns {@code true} if the recording associated with this |
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* {@code RecordingInfo} should be flushed to disk, when memory buffers are |
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* full, {@code false} otherwise. |
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* |
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* @return {@code true} if recording is to disk, {@code false} otherwise |
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*/ |
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public boolean isToDisk() { |
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return disk; |
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} |
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/** |
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* Returns the desired duration, measured in seconds, of the recording |
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* associated with this {@link RecordingInfo}, or {code 0} if no duration |
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* has been set. |
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* |
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* @return the desired duration, or {code 0} if no duration has been set |
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* |
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* @see Recording#getDuration() |
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*/ |
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public long getDuration() { |
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return durationInSeconds; |
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} |
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/** |
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* Returns a {@code RecordingInfo} represented by the specified |
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* {@code CompositeData} object. |
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* <p> |
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* The specified {@code CompositeData} must have the following item names and |
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* item types to be valid. <blockquote> |
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* <table class="striped"> |
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* <caption>Supported names and types in a specified {@code CompositeData} object</caption> |
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* <thead> |
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* <tr> |
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* <th scope="col" style="text-align:left">Name</th> |
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* <th scope="col" style="text-align:left">Type</th> |
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* </tr> |
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* </thead> |
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* <tbody> |
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* <tr> |
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* <th scope="row">id</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">name</th> |
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* <td>{@code String}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">state</th> |
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* <td>{@code String}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">dumpOnExit</th> |
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* <td>{@code Boolean}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">size</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">disk</th> |
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* <td>{@code Boolean}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">maxAge</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">maxSize</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">startTime</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">stopTime</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">destination</th> |
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* <td>{@code String}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">duration</th> |
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* <td>{@code Long}</td> |
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* </tr> |
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* <tr> |
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* <th scope="row">settings</th> |
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* <td>{@code javax.management.openmbean.CompositeData[]} whose element type |
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* is the mapped type for {@link SettingDescriptorInfo} as specified in the |
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* {@link SettingDescriptorInfo#from} method.</td> |
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* </tr> |
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* </tbody> |
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* </table> |
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* </blockquote> |
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* |
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* @param cd {@code CompositeData} representing the {@code RecordingInfo} to |
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* return |
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* |
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* @throws IllegalArgumentException if {@code cd} does not represent a valid |
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* {@code RecordingInfo} |
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* |
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* @return the {@code RecordingInfo} represented by {@code cd}, or |
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* {@code null} if {@code cd} is {@code null} |
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*/ |
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public static RecordingInfo from(CompositeData cd) { |
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if (cd == null) { |
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return null; |
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} |
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return new RecordingInfo(cd); |
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} |
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} |