/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.caseditor.ui.action;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import org.apache.uima.UIMAFramework;
import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.cas.CAS;
import org.apache.uima.caseditor.CasEditorPlugin;
import org.apache.uima.caseditor.core.model.CorpusElement;
import org.apache.uima.caseditor.core.model.NlpProject;
import org.apache.uima.caseditor.core.uima.CasConsumerConfiguration;
import org.apache.uima.caseditor.uima.CorporaCollectionReader;
import org.apache.uima.collection.CollectionProcessingManager;
import org.apache.uima.collection.CollectionReader;
import org.apache.uima.collection.CollectionReaderDescription;
import org.apache.uima.collection.EntityProcessStatus;
import org.apache.uima.collection.StatusCallbackListener;
import org.apache.uima.resource.ResourceConfigurationException;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.resource.ResourceSpecifier;
import org.apache.uima.resource.metadata.FsIndexDescription;
import org.apache.uima.resource.metadata.ProcessingResourceMetaData;
import org.apache.uima.resource.metadata.TypeSystemDescription;
import org.apache.uima.util.InvalidXMLException;
import org.apache.uima.util.XMLInputSource;
import org.apache.uima.util.XMLParser;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
/**
* This action launches the cpm with the configured cas consumer.
*
* TODO: move over to core plugin
*/
public class ConsumerActionRunnable implements IRunnableWithProgress
{
private CasConsumerConfiguration mConfiguration;
private Collection<CorpusElement> mCorpora;
private boolean mIsProcessing = true;
/**
* Initializes a new instance.
*
* @param config
* @param corpora
*/
public ConsumerActionRunnable(CasConsumerConfiguration config,
Collection<CorpusElement> corpora)
{
mConfiguration = config;
mCorpora = corpora;
}
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException
{
monitor.beginTask("Consuming", IProgressMonitor.UNKNOWN);
monitor.subTask("Initializing, please stand by.");
InputStream inCollectionReaderDescripton = getClass()
.getResourceAsStream("CorporaCollectionReader.xml");
// TODO: inCollectionReaderDescripton check for null
CollectionReaderDescription collectionReaderDescripton;
try
{
collectionReaderDescripton = (CollectionReaderDescription)
UIMAFramework.getXMLParser().parseResourceSpecifier(
new XMLInputSource(inCollectionReaderDescripton,
new File("")));
}
catch (InvalidXMLException e)
{
throw new InvocationTargetException(e, "CorporaCollectionReader.xml"
+ " could ne be parsed!");
}
NlpProject project =
mConfiguration.getConsumerElement().getNlpProject();
InputStream inTypeSystemDescription;
try
{
inTypeSystemDescription =
project.getDotCorpus().getTypeSystemFile().getContents();
}
catch (CoreException e)
{
throw new InvocationTargetException(e);
}
TypeSystemDescription typeSystemDescriptor;
try
{
typeSystemDescriptor = UIMAFramework.getXMLParser()
.parseTypeSystemDescription(
new XMLInputSource(inTypeSystemDescription, new File("")));
typeSystemDescriptor.resolveImports();
}
catch (InvalidXMLException e)
{
throw new InvocationTargetException(e);
}
// set type system to collection reader
ProcessingResourceMetaData collectionReaderMetaData =
collectionReaderDescripton.getCollectionReaderMetaData();
collectionReaderMetaData.setTypeSystem(typeSystemDescriptor);
XMLParser xmlParser = UIMAFramework.getXMLParser();
InputStream inIndex = getClass().getResourceAsStream(
"Index.xml");
if (inIndex == null)
{
throw new InvocationTargetException(null,
"org/apache/uima/caseditor/ui/action/Index.xml"
+ " is missing on the classpath");
}
XMLInputSource xmlIndexSource = new XMLInputSource(inIndex,
new File(""));
FsIndexDescription indexDesciptor;
try
{
indexDesciptor = (FsIndexDescription) xmlParser
.parse(xmlIndexSource);
}
catch (InvalidXMLException e)
{
throw new InvocationTargetException(e);
}
collectionReaderMetaData.setFsIndexes(new FsIndexDescription[]
{indexDesciptor});
CollectionReader collectionReader;
try
{
collectionReader = UIMAFramework
.produceCollectionReader(collectionReaderDescripton);
}
catch (ResourceInitializationException e)
{
throw new InvocationTargetException(e);
}
((CorporaCollectionReader) collectionReader).setCorpora(mCorpora);
InputStream in = getClass().getResourceAsStream("DummyTAE.xml");
// load dummy descriptor
ResourceSpecifier textAnalysisEngineSpecifier;
try
{
textAnalysisEngineSpecifier = UIMAFramework.getXMLParser()
.parseResourceSpecifier(
new XMLInputSource(in, new File("")));
}
catch (InvalidXMLException e)
{
throw new InvocationTargetException(e);
}
AnalysisEngine textAnalysisEngine;
try
{
textAnalysisEngine = UIMAFramework
.produceAnalysisEngine(textAnalysisEngineSpecifier);
}
catch (ResourceInitializationException e)
{
throw new InvocationTargetException(e);
}
CollectionProcessingManager collectionProcessingEngine = UIMAFramework
.newCollectionProcessingManager();
try
{
collectionProcessingEngine.setAnalysisEngine(textAnalysisEngine);
}
catch (ResourceConfigurationException e)
{
throw new InvocationTargetException(e);
}
try
{
collectionProcessingEngine.addCasConsumer(mConfiguration
.createConsumer());
}
catch (ResourceConfigurationException e)
{
throw new InvocationTargetException(e);
}
collectionProcessingEngine.setPauseOnException(false);
collectionProcessingEngine.addStatusCallbackListener(
new StatusCallbackListener(){
public void entityProcessComplete(CAS cas,
EntityProcessStatus status)
{
// not implemented
}
public void aborted()
{
finishProcessing();
}
public void batchProcessComplete()
{
// not implemented
}
public void collectionProcessComplete()
{
finishProcessing();
}
public void initializationComplete()
{
// not implemented
}
public void paused()
{
// not implemented
}
public void resumed()
{
// not implemented
}
private void finishProcessing()
{
synchronized (ConsumerActionRunnable.this)
{
mIsProcessing = false;
ConsumerActionRunnable.this.notifyAll();
}
}
});
monitor.subTask("Feeding comsumer, please stand by.");
try
{
collectionProcessingEngine.process(collectionReader);
}
catch (ResourceInitializationException e)
{
throw new InvocationTargetException(e);
}
synchronized(this)
{
// TODO: for cancel poll here
// and call .stop()
while (mIsProcessing)
{
wait();
}
}
// refresh cas processor directory
IResource processorFolder = mConfiguration.getBaseFolder();
try {
processorFolder.refreshLocal(IResource.DEPTH_INFINITE, monitor);
} catch (CoreException e) {
// maybe this fails, sorry
CasEditorPlugin.log(e);
}
monitor.done();
}
}