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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.db.internal.search.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import org.eclipse.osee.executor.admin.CancellableCallable;
import org.eclipse.osee.executor.admin.ExecutorAdmin;
import org.eclipse.osee.executor.admin.WorkUtility;
import org.eclipse.osee.executor.admin.WorkUtility.PartitionFactory;
import org.eclipse.osee.framework.core.data.IAttributeType;
import org.eclipse.osee.framework.core.enums.DeletionFlag;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.framework.jdk.core.type.MatchLocation;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.core.ds.Options;
import org.eclipse.osee.orcs.core.ds.OptionsUtil;
import org.eclipse.osee.orcs.core.ds.QueryPostProcessor;
import org.eclipse.osee.orcs.core.ds.criteria.CriteriaAttributeKeywords;
import org.eclipse.osee.orcs.data.ArtifactReadable;
import org.eclipse.osee.orcs.data.AttributeReadable;
import org.eclipse.osee.orcs.data.AttributeTypes;
import org.eclipse.osee.orcs.db.internal.search.tagger.Tagger;
import org.eclipse.osee.orcs.search.Match;
/**
* @author Roberto E. Escobar
*/
public abstract class AbstractQueryPostProcessor extends QueryPostProcessor implements PartitionFactory<ArtifactReadable, Match<ArtifactReadable, AttributeReadable<?>>> {
private final Options options;
private final CriteriaAttributeKeywords criteria;
private final ExecutorAdmin executorAdmin;
private List<Future<Collection<Match<ArtifactReadable, AttributeReadable<?>>>>> futures;
protected AbstractQueryPostProcessor(Log logger, ExecutorAdmin executorAdmin, CriteriaAttributeKeywords criteria, Options options) {
super(logger);
this.executorAdmin = executorAdmin;
this.criteria = criteria;
this.options = options;
}
protected Collection<? extends IAttributeType> getTypes() {
return criteria.getTypes();
}
protected String getQuery() {
return criteria.getValues().iterator().next();
}
protected Options getOptions() {
return options;
}
@Override
public List<Match<ArtifactReadable, AttributeReadable<?>>> innerCall() throws Exception {
Conditions.checkNotNull(getItemsToProcess(), "Query first pass results");
futures = WorkUtility.partitionAndScheduleWork(executorAdmin, this, getItemsToProcess());
checkForCancelled();
List<Match<ArtifactReadable, AttributeReadable<?>>> results =
new ArrayList<Match<ArtifactReadable, AttributeReadable<?>>>();
for (Future<Collection<Match<ArtifactReadable, AttributeReadable<?>>>> future : futures) {
results.addAll(future.get());
checkForCancelled();
}
return results;
}
@Override
public void setCancel(boolean isCancelled) {
super.setCancel(isCancelled);
if (futures != null) {
for (Future<?> future : futures) {
future.cancel(true);
}
}
}
protected abstract Tagger getTagger(String taggerId) throws OseeCoreException;
@Override
public Callable<Collection<Match<ArtifactReadable, AttributeReadable<?>>>> createWorker(Collection<ArtifactReadable> toProcess) {
return new PostProcessorWorker(toProcess);
}
private class PostProcessorWorker extends CancellableCallable<Collection<Match<ArtifactReadable, AttributeReadable<?>>>> {
private final Collection<ArtifactReadable> artifacts;
public PostProcessorWorker(Collection<ArtifactReadable> artifacts) {
this.artifacts = artifacts;
}
@Override
public Collection<Match<ArtifactReadable, AttributeReadable<?>>> call() throws Exception {
List<Match<ArtifactReadable, AttributeReadable<?>>> results =
new ArrayList<Match<ArtifactReadable, AttributeReadable<?>>>();
AttributeTypes attributeTypes = getAttributeTypes();
DeletionFlag includeDeleted = OptionsUtil.getIncludeDeleted(options);
Map<AttributeReadable<?>, List<MatchLocation>> matchedAttributes = null;
for (ArtifactReadable artifact : artifacts) {
checkForCancelled();
for (AttributeReadable<Object> attribute : getAttributes(artifact, includeDeleted)) {
checkForCancelled();
try {
if (getTypes().contains(attribute.getAttributeType())) {
checkForCancelled();
String taggerId = attributeTypes.getTaggerId(attribute.getAttributeType());
Tagger tagger = getTagger(taggerId);
if (tagger != null) {
checkForCancelled();
List<MatchLocation> locations = tagger.find(attribute, getQuery(), true, criteria.getOptions());
if (!locations.isEmpty()) {
if (matchedAttributes == null) {
matchedAttributes = new HashMap<AttributeReadable<?>, List<MatchLocation>>();
}
matchedAttributes.put(attribute, locations);
}
}
}
} catch (Exception ex) {
getLogger().error(ex, "Error processing: [%s]", attribute);
}
}
if (matchedAttributes != null && !matchedAttributes.isEmpty()) {
results.add(new ArtifactMatch(artifact, matchedAttributes));
matchedAttributes = null;
}
}
return results;
}
private List<AttributeReadable<Object>> getAttributes(ArtifactReadable artifact, DeletionFlag includeDeleted) throws OseeCoreException {
List<AttributeReadable<Object>> toReturn;
Collection<? extends IAttributeType> toCheck = getTypes();
if (toCheck != null && !toCheck.isEmpty()) {
toReturn = new ArrayList<AttributeReadable<Object>>();
for (IAttributeType attributeType : toCheck) {
for (AttributeReadable<Object> attr : artifact.getAttributes(attributeType, includeDeleted)) {
toReturn.add(attr);
checkForCancelled();
}
}
} else {
toReturn = artifact.getAttributes(includeDeleted);
}
return toReturn;
}
}
}
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