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/*******************************************************************************
* Copyright (c) 2012, 2013 Tilera Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* William R. Swanson (Tilera Corporation) - initial API and implementation
* Marc Khouzam (Ericsson) - Added knowledge about execution
* state and os/gdb thread ids
* Marc Dumais (Ericsson) - Bug 405390
* Marc Dumais (Ericsson) - Bug 409965
*******************************************************************************/
package org.eclipse.cdt.dsf.gdb.multicorevisualizer.internal.ui.model;
/** Represents single thread. */
public class VisualizerThread
implements Comparable<VisualizerThread>, IVisualizerModelObject
{
// --- members ---
/** Current core this thread is on. */
protected VisualizerCore m_core;
/** Process ID (pid). */
protected int m_pid;
/** OS Thread ID (tid). */
protected int m_tid;
/** Thread ID as chosen by GDB. */
protected int m_gdbtid;
/** Thread execution state. */
protected VisualizerExecutionState m_threadState;
// --- constructors/destructors ---
/** Constructor. */
public VisualizerThread(VisualizerCore core, int pid, int tid, int gdbtid, VisualizerExecutionState state) {
m_core = core;
m_pid = pid;
m_tid = tid;
m_gdbtid = gdbtid;
m_threadState = state;
}
/** Dispose method */
public void dispose() {
m_core = null;
}
// --- Object methods ---
/** Equality comparison. */
@Override
public boolean equals(Object obj) {
boolean result = false;
if (obj instanceof VisualizerThread) {
VisualizerThread v = (VisualizerThread) obj;
result = (
v.m_pid == m_pid &&
v.m_tid == m_tid &&
v.m_gdbtid == m_gdbtid
);
}
return result;
}
@Override
public int hashCode() {
return m_pid ^ m_tid ^ m_gdbtid;
}
/** Returns string representation. */
@Override
public String toString() {
StringBuffer output = new StringBuffer();
output.append(m_core).append(",Proc:").append(m_pid) //$NON-NLS-1$
.append(",Thread:(").append(m_tid).append(",").append(m_gdbtid).append(")"); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
return output.toString();
}
// --- accessors ---
/** Gets core. */
public VisualizerCore getCore() {
return m_core;
}
public void setCore(VisualizerCore core) {
m_core = core;
}
/** Returns true if this is the "process" thread, i.e.
* its PID and OS TID are the same.
*/
public boolean isProcessThread()
{
return m_pid == m_tid;
}
/** Gets process id (pid). */
public int getPID() {
return m_pid;
}
/** Gets thread id (tid). */
public int getTID() {
return m_tid;
}
/** Sets thread id (tid). */
public void setTID(int tid) {
m_tid = tid;
}
/** Gets thread id (gdbtid). */
@Override
public int getID() {
return getGDBTID();
}
/** Return core the thread is on */
@Override
public IVisualizerModelObject getParent() {
return getCore();
}
/** Gets gdb thread id. */
public int getGDBTID() {
return m_gdbtid;
}
/** Gets thread execution state. */
public VisualizerExecutionState getState() {
return m_threadState;
}
/** Sets thread execution state. */
public void setState(VisualizerExecutionState state) {
m_threadState = state;
}
// --- methods ---
// --- Comparable implementation ---
/** Compares this item to the specified item. */
@Override
public int compareTo(VisualizerThread o) {
int result = 0;
if (o != null) {
if (m_pid < o.m_pid) {
result = -1;
}
else if (m_pid > o.m_pid) {
result = 1;
}
else if (getID() < o.getID()) {
result = -1;
}
else if (getID() > o.getID()) {
result = 1;
}
}
return result;
}
/** IVisualizerModelObject version of compareTo() */
@Override
public int compareTo(IVisualizerModelObject o) {
if (o != null) {
if (o.getClass() == this.getClass()) {
return compareTo((VisualizerThread)o);
}
}
return 1;
}
}
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