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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.debug.test.services;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import org.eclipse.tcf.debug.test.services.ResetMap.IResettable;
import org.eclipse.tcf.debug.test.util.DataCallback;
import org.eclipse.tcf.debug.test.util.ICache;
import org.eclipse.tcf.debug.test.util.RangeCache;
import org.eclipse.tcf.debug.test.util.TokenCache;
import org.eclipse.tcf.debug.test.util.Transaction;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.services.IRunControl;
import org.eclipse.tcf.services.IRunControl.RunControlContext;
import org.eclipse.tcf.services.IStackTrace;
import org.eclipse.tcf.services.IStackTrace.StackTraceContext;
/**
*
*/
public class StackTraceCM extends AbstractCacheManager implements IRunControl.RunControlListener {
private IStackTrace fService;
private IRunControl fRunControl;
private final ResetMap fRunControlStateResetMap = new ResetMap();
public StackTraceCM(IStackTrace service, IRunControl runControl) {
fService = service;
fRunControl = runControl;
fRunControl.addListener(this);
}
@Override
public void dispose() {
fRunControl.removeListener(this);
super.dispose();
}
public ICache<String[]> getChildren(final String id) {
class MyCache extends TokenCache<String[]> implements IStackTrace.DoneGetChildren {
@Override
protected IToken retrieveToken() {
return fService.getChildren(id, this);
}
public void doneGetChildren(IToken token, Exception error, String[] context_ids) {
fRunControlStateResetMap.addValid(id, this);
set(token, context_ids, error);
}
};
return mapCache(new IdKey<MyCache>(MyCache.class, id) {
@Override MyCache createCache() { return new MyCache(); }
});
}
public RangeCache<StackTraceContext> getContextRange(final String parentId) {
class MyCache extends RangeCache<StackTraceContext> implements IResettable {
boolean fIsValid = false;
@Override
protected void retrieve(final long offset, final int count, DataCallback<List<StackTraceContext>> rm) {
new Transaction<List<StackTraceContext>>() {
@Override
protected List<StackTraceContext> process() throws InvalidCacheException, ExecutionException {
String[] ids = validate(getChildren(parentId));
int adjustedCount = Math.min(count, ids.length + (int)offset);
String[] subIds = new String[adjustedCount];
System.arraycopy(ids, (int)offset, subIds, 0, adjustedCount);
StackTraceContext[] contexts = validate(getContexts(subIds));
if (!fIsValid) {
fRunControlStateResetMap.addValid(parentId, MyCache.this);
}
return Arrays.asList(contexts);
}
}.request(rm);
}
public void reset() {
fIsValid = false;
@SuppressWarnings("unchecked")
List<StackTraceContext> emptyData = (List<StackTraceContext>)Collections.EMPTY_LIST;
set(0, 0, emptyData, new Throwable("Cache invalid") );
}
};
return mapCache(new IdKey<MyCache>(MyCache.class, parentId) {
@Override MyCache createCache() { return new MyCache(); }
});
}
public ICache<StackTraceContext[]> getContexts(final String[] ids) {
class MyCache extends TokenCache<StackTraceContext[]> implements IStackTrace.DoneGetContext {
@Override
protected IToken retrieveToken() {
fRunControlStateResetMap.addPending(this);
return fService.getContext(ids, this);
}
public void doneGetContext(IToken token, Exception error, StackTraceContext[] contexts) {
fRunControlStateResetMap.removePending(this);
fRunControlStateResetMap.addValid(contexts[0].getParentID(), this);
set(token, contexts, error);
}
}
return mapCache(new IdKey<MyCache>(MyCache.class, Arrays.toString(ids)) {
@Override MyCache createCache() { return new MyCache(); }
});
}
public void contextAdded(RunControlContext[] contexts) {
}
public void contextChanged(RunControlContext[] contexts) {
for (RunControlContext context : contexts) {
fRunControlStateResetMap.reset(context.getID());
}
}
public void contextRemoved(String[] context_ids) {
for (String id : context_ids) {
fRunControlStateResetMap.reset(id);
}
}
public void contextSuspended(String context, String pc, String reason, Map<String, Object> params) {
fRunControlStateResetMap.reset(context);
}
public void contextResumed(String context) {
fRunControlStateResetMap.reset(context);
}
public void containerSuspended(String context, String pc, String reason, Map<String, Object> params,
String[] suspended_ids)
{
for (String id : suspended_ids) {
fRunControlStateResetMap.reset(id);
}
}
public void containerResumed(String[] context_ids) {
for (String id : context_ids) {
fRunControlStateResetMap.reset(id);
}
}
public void contextException(String context, String msg) {
fRunControlStateResetMap.reset(context);
}
}
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