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/* 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.camunda.bpm.engine.impl;

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

import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.variable.serializer.VariableSerializers;
import org.camunda.bpm.engine.variable.type.ValueType;
import org.camunda.bpm.engine.variable.type.ValueTypeResolver;
import org.camunda.bpm.engine.variable.value.TypedValue;

/**
 * @author Thorben Lindhauer
 *
 */
public class CompositeQueryVariableValueCondition extends AbstractQueryVariableValueCondition {

  protected List aggregatedValues = new ArrayList();

  public CompositeQueryVariableValueCondition(QueryVariableValue variableValue) {
    super(variableValue);
  }

  public void initializeValue(VariableSerializers serializers) {
    TypedValue typedValue = wrappedQueryValue.getTypedValue();

    ValueTypeResolver resolver = Context.getProcessEngineConfiguration().getValueTypeResolver();
    Collection concreteTypes = resolver.getSubTypes(typedValue.getType());

    for (ValueType type : concreteTypes) {
      if (type.canConvertFromTypedValue(typedValue)) {
        TypedValue convertedValue = type.convertFromTypedValue(typedValue);
        SingleQueryVariableValueCondition aggregatedValue = new SingleQueryVariableValueCondition(wrappedQueryValue);
        aggregatedValue.initializeValue(serializers, convertedValue);
        aggregatedValues.add(aggregatedValue);
      }
    }
  }

  public List getDisjunctiveConditions() {
    return aggregatedValues;
  }

}