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/*******************************************************************************
* Copyright (c) 2012 Ericsson
*
* 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:
* Patrick Tasse - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.controlflow;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.common.EventIterator;
import org.eclipse.linuxtools.lttng2.kernel.core.trace.CtfKernelTrace;
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
/**
* An entry in the Control Flow view
*/
public class ControlFlowEntry implements ITimeGraphEntry {
private final int fThreadQuark;
private final CtfKernelTrace fTrace;
private ControlFlowEntry fParent = null;
private final ArrayList<ControlFlowEntry> fChildren = new ArrayList<ControlFlowEntry>();
private String fName;
private final int fThreadId;
private final int fParentThreadId;
private long fStartTime = -1;
private long fEndTime = -1;
private List<ITimeEvent> fEventList = new ArrayList<ITimeEvent>();
private List<ITimeEvent> fZoomedEventList = null;
/**
* Constructor
*
* @param threadQuark
* The attribute quark matching the thread
* @param trace
* The trace on which we are working
* @param execName
* The exec_name of this entry
* @param threadId
* The TID of the thread
* @param parentThreadId
* the Parent_TID of this thread
* @param startTime
* The start time of this process's lifetime
* @param endTime
* The end time of this process
*/
public ControlFlowEntry(int threadQuark, CtfKernelTrace trace, String execName, int threadId, int parentThreadId, long startTime, long endTime) {
fThreadQuark = threadQuark;
fTrace = trace;
fName = execName;
fThreadId = threadId;
fParentThreadId = parentThreadId;
fStartTime = startTime;
fEndTime = endTime;
}
@Override
public ITimeGraphEntry getParent() {
return fParent;
}
@Override
public boolean hasChildren() {
return fChildren.size() > 0;
}
@Override
public List<ControlFlowEntry> getChildren() {
return fChildren;
}
@Override
public String getName() {
return fName;
}
/**
* Update the entry name
* @param execName the updated entry name
*/
public void setName(String execName) {
fName = execName;
}
@Override
public long getStartTime() {
return fStartTime;
}
@Override
public long getEndTime() {
return fEndTime;
}
@Override
public boolean hasTimeEvents() {
return true;
}
@Override
public Iterator<ITimeEvent> getTimeEventsIterator() {
return new EventIterator(fEventList, fZoomedEventList);
}
@Override
public Iterator<ITimeEvent> getTimeEventsIterator(long startTime, long stopTime, long visibleDuration) {
return new EventIterator(fEventList, fZoomedEventList, startTime, stopTime);
}
/**
* Get the quark of the attribute matching this thread's TID
*
* @return The quark
*/
public int getThreadQuark() {
return fThreadQuark;
}
/**
* Get the CTF trace object
*
* @return The trace
*/
public CtfKernelTrace getTrace() {
return fTrace;
}
/**
* Get this entry's thread ID
*
* @return The TID
*/
public int getThreadId() {
return fThreadId;
}
/**
* Get this thread's parent TID
*
* @return The "PTID"
*/
public int getParentThreadId() {
return fParentThreadId;
}
/**
* Add an event to this process's timeline
*
* @param event
* The time event
*/
public void addEvent(ITimeEvent event) {
long start = event.getTime();
long end = start + event.getDuration();
synchronized (fEventList) {
fEventList.add(event);
if (fStartTime == -1 || start < fStartTime) {
fStartTime = start;
}
if (fEndTime == -1 || end > fEndTime) {
fEndTime = end;
}
}
}
/**
* Set the general event list of this entry
*
* @param eventList
* The list of time events
*/
public void setEventList(List<ITimeEvent> eventList) {
fEventList = eventList;
}
/**
* Set the zoomed event list of this entry
*
* @param eventList
* The list of time events
*/
public void setZoomedEventList(List<ITimeEvent> eventList) {
fZoomedEventList = eventList;
}
/**
* Add a child entry to this one (to show relationships between processes as
* a tree)
*
* @param child
* The child entry
*/
public void addChild(ControlFlowEntry child) {
child.fParent = this;
fChildren.add(child);
}
}
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