Package org.apache.uima.taeconfigurator.model

Source Code of org.apache.uima.taeconfigurator.model.DescriptorTCAS

/*
* 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.taeconfigurator.model;

import java.util.ArrayList;
import java.util.Collection;

import org.apache.uima.analysis_engine.AnalysisEngineDescription;
import org.apache.uima.cas.admin.CASAdminException;
import org.apache.uima.cas.CAS;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.resource.metadata.TypeSystemDescription;
import org.apache.uima.taeconfigurator.InternalErrorCDE;
import org.apache.uima.taeconfigurator.editors.MultiPageEditor;
import org.apache.uima.util.CasCreationUtils;

/**
* Model part: CAS corresponding to the descriptor being edited
*/

public class DescriptorTCAS extends AbstractModelPart {

  private CAS cachedResult;

  public DescriptorTCAS(MultiPageEditor modelRoot) {
    super(modelRoot);
  }

  public void validate() throws ResourceInitializationException {

    AnalysisEngineDescription ae = (AnalysisEngineDescription) modelRoot.getAeDescription().clone();
    // speedup = replace typeSystem with resolved imports version
    if (ae.isPrimitive()) {
      TypeSystemDescription tsd = modelRoot.getMergedTypeSystemDescription();
      if (null != tsd)
        tsd = (TypeSystemDescription) tsd.clone();
      ae.getAnalysisEngineMetaData().setTypeSystem(tsd);
    }
    ae.getAnalysisEngineMetaData().setFsIndexCollection(modelRoot.getMergedFsIndexCollection());
    ae.getAnalysisEngineMetaData().setTypePriorities(modelRoot.getMergedTypePriorities());
    try {
      // long time = System.currentTimeMillis();
      // System.out.println("Creating TCas model");
      cachedResult = modelRoot.createCas(ae, casCreateProperties, modelRoot.createResourceManager());
      // System.out.println("Finished Creating TCas model; time= " +
      // (System.currentTimeMillis() - time));
      if (null == cachedResult)
        throw new InternalErrorCDE("null result from createTCas");
    } catch (CASAdminException e) {
      throw new ResourceInitializationException(e);
    }
    dirty = false;
    modelRoot.allTypes.dirty = true;
  }

  /**
   * @return a CAS for the model descriptor
   */
  public CAS get() {
    if (dirty) {
      update();
    }
    return cachedResult;
  }

  public void set(CAS tcas) {
    cachedResult = tcas;
    dirty = false;
  }

  private void update() {
    try {
      validate();
    } catch (ResourceInitializationException e) {
      throw new InternalErrorCDE("Unexpected Exception", e);
    }
  }
}
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