org.atemsource.atem.utility.compare.builder.OrderableCollectionAttributeBuilder Maven / Gradle / Ivy

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/*******************************************************************************
 * Stefan Meyer, 2012
 * 
 * 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.atemsource.atem.utility.compare.builder;

import org.atemsource.atem.api.attribute.relation.SingleAttribute;
import org.atemsource.atem.api.infrastructure.exception.TechnicalException;
import org.atemsource.atem.api.type.EntityType;
import org.atemsource.atem.utility.common.EntityOperationSelector;
import org.atemsource.atem.utility.compare.AttributeComparison;
import org.atemsource.atem.utility.compare.Comparison;
import org.atemsource.atem.utility.compare.ComparisonAttributeBuilder;


public class OrderableCollectionAttributeBuilder extends ComparisonAttributeBuilder
{

	@Override
	protected AttributeComparison createOperation()
	{
		OrderableCollectionAttributeComparison comparison = new OrderableCollectionAttributeComparison();
		comparison.setAttribute(getAttribute());
		comparison.setIdentityCheck(identityCheck);

		EntityOperationSelector selector = createEntityOperation();
		if (selector != null)
		{
			comparison.setSelector(selector);
		}
		return comparison;
	}
	private IdentityCheck identityCheck;


	public OrderableCollectionAttributeBuilder useId(IdentityCheck identityCheck) {
		this.identityCheck = identityCheck;
		return this;
	}
	
	public OrderableCollectionAttributeBuilder useId(String attribute) {
		try {
			SingleAttribute idAttribute = (SingleAttribute) ((EntityType) getAttribute().getTargetType())
					.getAttribute(attribute);
			this.identityCheck = new AttributeIdentityCheck(idAttribute);
			return this;
		} catch (Exception e) {
			throw new TechnicalException("cannot find attribute " + attribute + " in type "
					+ getAttribute().getTargetType().getCode(), e);
		}
	}
}