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Code Issues Wiki Activity

[217429][api] Make registering multiple output listeners thread-safe

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This commit is contained in:
Martin Oberhuber 2008-02-01 13:03:19 +00:00
parent 78e7d6b002
commit ab54db66b6
1 changed files with 11 additions and 6 deletions
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17
rse/plugins/org.eclipse.rse.services/src/org/eclipse/rse/services/shells/AbstractHostShellOutputReader.java
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@ -13,11 +13,13 @@
*
* Contributors:
* Martin Oberhuber (Wind River) - [197848] Fix shell terminated state when remote dies
* Martin Oberhuber (Wind River) - [217429] Make registering multiple output listeners thread-safe
*******************************************************************************/
package org.eclipse.rse.services.shells;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public abstract class AbstractHostShellOutputReader extends Thread implements IHostShellOutputReader
@ -38,7 +40,7 @@ public abstract class AbstractHostShellOutputReader extends Thread implements I
public AbstractHostShellOutputReader(IHostShell hostShell, boolean isErrorReader)
{
_hostShell = hostShell;
_listeners = new ArrayList();
_listeners = Collections.synchronizedList(new ArrayList());
_linesOfOutput = new ArrayList();
_consumerOffset = 0;
_isErrorReader = isErrorReader;
@ -102,12 +104,18 @@ public abstract class AbstractHostShellOutputReader extends Thread implements I
}
}
protected final synchronized void startIfNotAlive() {
if (!isAlive()) {
start();
}
}
public IHostOutput readLine()
{
if (!isAlive())
{
internalReadLine();
start();
startIfNotAlive();
}
return (IHostOutput)_linesOfOutput.get(_consumerOffset++);
}
@ -126,10 +134,7 @@ public abstract class AbstractHostShellOutputReader extends Thread implements I
public void addOutputListener(IHostShellOutputListener listener)
{
_listeners.add(listener);
if (!isAlive())
{
start();
}
startIfNotAlive();
}
public void fireOutputChanged(IHostShellChangeEvent event)