tags/uima-as-2.8.1/uimaj-as-activemq/src/main/java/org/apache/uima/aae/jms_adapter/JmsAnalysisEngineServiceAdapter.java

/*
 * 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.aae.jms_adapter;

import java.util.Map;

import org.apache.uima.analysis_engine.service.impl.AnalysisEngineServiceAdapter;
import org.apache.uima.resource.CustomResourceSpecifier;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.resource.ResourceSpecifier;

/**
 * Implementation of {@link AnalysisEngineServiceAdapter} for JMS.
 * 
 * 
 */
public class JmsAnalysisEngineServiceAdapter extends AnalysisEngineServiceAdapter {

  /**
   * @see org.apache.uima.resource.Resource#initialize(ResourceSpecifier, Map)
   */
  public boolean initialize(ResourceSpecifier aSpecifier, Map aAdditionalParams)
          throws ResourceInitializationException {
    // aSpecifier must be a CustomResourceSpecifier
    if (!(aSpecifier instanceof CustomResourceSpecifier)) {
      return false;
    }

    // create proxy to service
    setStub(new JmsAnalysisEngineServiceStub(this, ((CustomResourceSpecifier) aSpecifier)
            .getParameters()));

    // do superclass initialization, which among other things initializes UimaContext.
    // note we need to establish connection to service before calling this, since
    // superclass initialization depends on having access to the component metadata.
    super.initialize(aSpecifier, aAdditionalParams);

    // Sofa mappings are currently not implemented for remote AEs. Catch this
    // and report an error.
    if (getUimaContextAdmin().getSofaMap().size() > 0) {
      throw new ResourceInitializationException(
              ResourceInitializationException.SOFA_MAPPING_NOT_SUPPORTED_FOR_REMOTE,
              new Object[] { getMetaData().getName() });
    }

    return true;
  }

}