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Java example source code file (UimaResource.java)

This example Java source code file (UimaResource.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

analysisengine, analysisengineprocessexception, cas, caspool, logger, resourceinitializationexception, runtimeexception, uimaresource, unable

The UimaResource.java Java example source code

/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    Licensed 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.deeplearning4j.text.uima;

import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.cas.CAS;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.util.CasPool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Resource holder for uima
 * @author Adam Gibson
 *
 */
public class UimaResource {

	private AnalysisEngine analysisEngine;
	private CasPool casPool;
    private static final Logger log = LoggerFactory.getLogger(UimaResource.class);

    public UimaResource(AnalysisEngine analysisEngine) throws ResourceInitializationException {
		this.analysisEngine = analysisEngine;
		this.casPool = new CasPool(Runtime.getRuntime().availableProcessors(),analysisEngine);

	}

	public UimaResource(AnalysisEngine analysisEngine,CasPool casPool) {
		this.analysisEngine = analysisEngine;
		this.casPool = casPool;

	}


	public AnalysisEngine getAnalysisEngine() {
		return analysisEngine;
	}


	public void setAnalysisEngine(AnalysisEngine analysisEngine) {
		this.analysisEngine = analysisEngine;
	}


	public CasPool getCasPool() {
		return casPool;
	}


	public void setCasPool(CasPool casPool) {
		this.casPool = casPool;
	}

	
	/**
	 * Use the given analysis engine and process the given text
	 * You must release the return cas yourself
	 * @param text the text to process
	 * @return the processed cas
	 */
	public  CAS process(String text) {
		CAS cas = retrieve();
		if(cas == null)
            return null;

		cas.setDocumentText(text);
		try {
			analysisEngine.process(cas);
		} catch (AnalysisEngineProcessException e) {
			log.warn("Unable to process text " + text,e);
		}
		
		return cas;
		
		
	}
	
	
	public  CAS retrieve() {
		CAS ret = casPool.getCas();
		try {
			return ret == null ? analysisEngine.newCAS() : ret;
		} catch (ResourceInitializationException e) {
			throw new RuntimeException(e);
		}
	}
	
	
	public void release(CAS cas) {
		casPool.releaseCas(cas);
	}
	
	
	
	



}

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