mirror of
https://github.com/eclipse-cdt/cdt
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[294351] Fix leaking service tracker
This commit is contained in:
Anton Leherbauer
parent
ff4609c895
commit
7e5c056111
1 changed files with 131 additions and 127 deletions
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@ -1,127 +1,131 @@
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/**
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package org.eclipse.cdt.dsf.debug.ui;
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import org.eclipse.cdt.debug.ui.editors.AbstractDebugTextHover;
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import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
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import org.eclipse.cdt.dsf.concurrent.Query;
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import org.eclipse.cdt.dsf.debug.service.IExpressions;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues;
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import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMContext;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMContext;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMData;
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import org.eclipse.cdt.dsf.debug.service.IStack.IFrameDMContext;
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import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
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import org.eclipse.cdt.dsf.service.DsfServicesTracker;
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import org.eclipse.cdt.dsf.service.DsfSession;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.debug.core.model.IDebugModelProvider;
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/**
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* An implementation of AbstractDebugTextHover using DSF services
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*
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* @since 2.1
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*/
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abstract public class AbstractDsfDebugTextHover extends AbstractDebugTextHover {
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/**
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* Returns the debug model ID of that this debug text hover is to be used for.
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*/
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abstract protected String getModelId();
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private static class GetExpressionValueQuery extends Query<FormattedValueDMData> {
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private final IFrameDMContext frame;
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private final String expression;
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private DsfServicesTracker dsfServicesTracker;
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public GetExpressionValueQuery(IFrameDMContext frame, String expression, DsfServicesTracker dsfServicesTracker) {
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this.frame = frame;
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this.expression = expression;
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this.dsfServicesTracker = dsfServicesTracker;
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}
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@Override
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protected void execute(final DataRequestMonitor<FormattedValueDMData> rm) {
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DsfSession session = DsfSession.getSession(frame.getSessionId());
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IExpressions expressions = dsfServicesTracker.getService(IExpressions.class);
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IExpressionDMContext expressionDMC = expressions.createExpression(frame, expression);
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FormattedValueDMContext formattedValueContext = expressions.getFormattedValueContext(expressionDMC, IFormattedValues.NATURAL_FORMAT);
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expressions.getFormattedExpressionValue(formattedValueContext,
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new DataRequestMonitor<FormattedValueDMData>(session.getExecutor(), rm) {
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@Override
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protected void handleSuccess() {
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rm.setData(getData());
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rm.done();
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}
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@Override
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protected void handleFailure() {
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rm.done();
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}
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});
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}
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}
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protected IFrameDMContext getFrame() {
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IAdaptable adaptable = getSelectionAdaptable();
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if (adaptable != null) {
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return (IFrameDMContext) adaptable.getAdapter(IFrameDMContext.class);
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}
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return null;
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}
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@Override
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protected boolean canEvaluate() {
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if (getFrame() == null) {
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return false;
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}
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IAdaptable adaptable = getSelectionAdaptable();
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if (adaptable != null) {
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IDebugModelProvider modelProvider = (IDebugModelProvider)adaptable.getAdapter(IDebugModelProvider.class);
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if (modelProvider != null) {
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String[] models = modelProvider.getModelIdentifiers();
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String myModel = getModelId();
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for (int i = 0; i < models.length; i++) {
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if (models[i].equals(myModel)) {
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return true;
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}
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}
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}
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}
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return false;
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}
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@Override
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protected String evaluateExpression(String expression) {
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IFrameDMContext frame = getFrame();
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String sessionId = frame.getSessionId();
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DsfServicesTracker dsfServicesTracker = new DsfServicesTracker(DsfUIPlugin.getBundleContext(), sessionId);
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GetExpressionValueQuery query = new GetExpressionValueQuery(frame, expression, dsfServicesTracker);
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DsfSession session = DsfSession.getSession(sessionId);
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session.getExecutor().execute(query);
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try {
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FormattedValueDMData data = query.get();
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if (data != null)
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return data.getFormattedValue();
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} catch (Exception e) {
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}
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return null;
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}
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}
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/**
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package org.eclipse.cdt.dsf.debug.ui;
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import org.eclipse.cdt.debug.ui.editors.AbstractDebugTextHover;
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import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
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import org.eclipse.cdt.dsf.concurrent.Query;
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import org.eclipse.cdt.dsf.debug.service.IExpressions;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues;
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import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMContext;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMContext;
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import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMData;
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import org.eclipse.cdt.dsf.debug.service.IStack.IFrameDMContext;
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import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
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import org.eclipse.cdt.dsf.service.DsfServicesTracker;
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import org.eclipse.cdt.dsf.service.DsfSession;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.debug.core.model.IDebugModelProvider;
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/**
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* An implementation of AbstractDebugTextHover using DSF services.
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*
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* @since 2.1
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*/
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abstract public class AbstractDsfDebugTextHover extends AbstractDebugTextHover {
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/**
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* Returns the debug model ID of that this debug text hover is to be used for.
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*/
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abstract protected String getModelId();
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private static class GetExpressionValueQuery extends Query<FormattedValueDMData> {
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private final IFrameDMContext frame;
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private final String expression;
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private DsfServicesTracker dsfServicesTracker;
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public GetExpressionValueQuery(IFrameDMContext frame, String expression, DsfServicesTracker dsfServicesTracker) {
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this.frame = frame;
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this.expression = expression;
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this.dsfServicesTracker = dsfServicesTracker;
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}
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@Override
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protected void execute(final DataRequestMonitor<FormattedValueDMData> rm) {
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DsfSession session = DsfSession.getSession(frame.getSessionId());
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IExpressions expressions = dsfServicesTracker.getService(IExpressions.class);
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IExpressionDMContext expressionDMC = expressions.createExpression(frame, expression);
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FormattedValueDMContext formattedValueContext = expressions.getFormattedValueContext(expressionDMC, IFormattedValues.NATURAL_FORMAT);
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expressions.getFormattedExpressionValue(formattedValueContext,
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new DataRequestMonitor<FormattedValueDMData>(session.getExecutor(), rm) {
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@Override
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protected void handleSuccess() {
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rm.setData(getData());
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rm.done();
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}
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@Override
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protected void handleFailure() {
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rm.done();
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}
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});
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}
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}
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protected IFrameDMContext getFrame() {
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IAdaptable adaptable = getSelectionAdaptable();
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if (adaptable != null) {
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return (IFrameDMContext) adaptable.getAdapter(IFrameDMContext.class);
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}
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return null;
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}
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@Override
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protected boolean canEvaluate() {
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if (getFrame() == null) {
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return false;
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}
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IAdaptable adaptable = getSelectionAdaptable();
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if (adaptable != null) {
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IDebugModelProvider modelProvider = (IDebugModelProvider)adaptable.getAdapter(IDebugModelProvider.class);
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if (modelProvider != null) {
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String[] models = modelProvider.getModelIdentifiers();
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String myModel = getModelId();
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for (int i = 0; i < models.length; i++) {
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if (models[i].equals(myModel)) {
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return true;
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}
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}
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}
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}
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return false;
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}
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@Override
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protected String evaluateExpression(String expression) {
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IFrameDMContext frame = getFrame();
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String sessionId = frame.getSessionId();
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DsfServicesTracker dsfServicesTracker = new DsfServicesTracker(DsfUIPlugin.getBundleContext(), sessionId);
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try {
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GetExpressionValueQuery query = new GetExpressionValueQuery(frame, expression, dsfServicesTracker);
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DsfSession session = DsfSession.getSession(sessionId);
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session.getExecutor().execute(query);
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try {
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FormattedValueDMData data = query.get();
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if (data != null)
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return data.getFormattedValue();
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} catch (Exception e) {
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}
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} finally {
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dsfServicesTracker.dispose();
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}
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return null;
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}
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}
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