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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.core.internal.admin;
import java.util.concurrent.Callable;
import org.eclipse.osee.executor.admin.CancellableCallable;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.core.internal.SessionContext;
/**
* @author Roberto E. Escobar
*/
public abstract class AbstractAdminCallable<T> extends CancellableCallable<T> {
private final Log logger;
private final SessionContext sessionContext;
private Callable<?> innerWorker;
public AbstractAdminCallable(Log logger, SessionContext sessionContext) {
super();
this.logger = logger;
this.sessionContext = sessionContext;
}
protected Log getLogger() {
return logger;
}
protected SessionContext getSessionContext() {
return sessionContext;
}
@Override
public final T call() throws Exception {
long startTime = 0;
if (logger.isTraceEnabled()) {
startTime = System.currentTimeMillis();
}
T result;
try {
Conditions.checkNotNull(sessionContext, "sessionContext");
// Conditions.checkNotNull(branchStore, "branchDataStore");
result = innerCall();
} finally {
if (logger.isTraceEnabled()) {
logger.trace("Admin [%s] completed in [%s]", getClass().getSimpleName(), Lib.getElapseString(startTime));
}
}
return result;
}
protected abstract T innerCall() throws Exception;
protected <K> K callAndCheckForCancel(Callable<K> callable) throws Exception {
checkForCancelled();
setInnerWorker(callable);
K result = callable.call();
setInnerWorker(null);
return result;
}
private synchronized void setInnerWorker(Callable<?> callable) {
innerWorker = callable;
}
@Override
public void setCancel(boolean isCancelled) {
super.setCancel(isCancelled);
final Callable<?> inner = innerWorker;
if (inner != null) {
synchronized (inner) {
if (inner instanceof CancellableCallable) {
((CancellableCallable<?>) inner).setCancel(isCancelled);
}
}
}
}
}
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