AssignmentTargetSearchExpressionEvaluator.java example

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/*
 * Copyright (c) 2010-2015 Evolveum
 *
 * 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 com.evolveum.midpoint.model.common.expression.evaluator;

import java.util.List;

import javax.xml.namespace.QName;

import com.evolveum.midpoint.model.api.ModelService;
import com.evolveum.midpoint.model.common.expression.ExpressionEvaluationContext;
import com.evolveum.midpoint.model.common.expression.ExpressionVariables;
import com.evolveum.midpoint.prism.Definition;
import com.evolveum.midpoint.prism.ItemDefinition;
import com.evolveum.midpoint.prism.PrismContainerDefinition;
import com.evolveum.midpoint.prism.PrismContainerValue;
import com.evolveum.midpoint.prism.PrismContext;
import com.evolveum.midpoint.prism.PrismValue;
import com.evolveum.midpoint.prism.crypto.Protector;
import com.evolveum.midpoint.prism.delta.ItemDelta;
import com.evolveum.midpoint.prism.path.ItemPath;
import com.evolveum.midpoint.schema.internals.InternalsConfig;
import com.evolveum.midpoint.schema.result.OperationResult;
import com.evolveum.midpoint.schema.util.ObjectResolver;
import com.evolveum.midpoint.security.api.SecurityEnforcer;
import com.evolveum.midpoint.task.api.Task;
import com.evolveum.midpoint.util.exception.CommunicationException;
import com.evolveum.midpoint.util.exception.ConfigurationException;
import com.evolveum.midpoint.util.exception.ExpressionEvaluationException;
import com.evolveum.midpoint.util.exception.ObjectAlreadyExistsException;
import com.evolveum.midpoint.util.exception.PolicyViolationException;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.util.exception.SecurityViolationException;
import com.evolveum.midpoint.util.exception.SystemException;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import com.evolveum.midpoint.xml.ns._public.common.common_3.AssignmentType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.FocusType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectReferenceType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.PopulateItemType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.PopulateType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.SearchObjectRefExpressionEvaluatorType;

/**
 * @author Radovan Semancik
 */
public class AssignmentTargetSearchExpressionEvaluator 
			extends AbstractSearchExpressionEvaluator<PrismContainerValue<AssignmentType>,
			                                          PrismContainerDefinition<AssignmentType>> {
	
	private static final Trace LOGGER = TraceManager.getTrace(AssignmentTargetSearchExpressionEvaluator.class);
	
	public AssignmentTargetSearchExpressionEvaluator(SearchObjectRefExpressionEvaluatorType expressionEvaluatorType, 
			PrismContainerDefinition<AssignmentType> outputDefinition, Protector protector, ObjectResolver objectResolver, 
			ModelService modelService, PrismContext prismContext, SecurityEnforcer securityEnforcer) {
		super(expressionEvaluatorType, outputDefinition, protector, objectResolver, modelService, prismContext, securityEnforcer);
	}
	
	protected PrismContainerValue<AssignmentType> createPrismValue(String oid, QName targetTypeQName, List<ItemDelta<PrismContainerValue<AssignmentType>, PrismContainerDefinition<AssignmentType>>> additionalAttributeDeltas, ExpressionEvaluationContext params) {
		AssignmentType assignmentType = new AssignmentType();
		PrismContainerValue<AssignmentType> assignmentCVal = assignmentType.asPrismContainerValue();
		
		ObjectReferenceType targetRef = new ObjectReferenceType();
		targetRef.setOid(oid);
		targetRef.setType(targetTypeQName);
		targetRef.setRelation(((SearchObjectRefExpressionEvaluatorType)getExpressionEvaluatorType()).getRelation());
		assignmentType.setTargetRef(targetRef);
				
		try {
			if (additionalAttributeDeltas != null) {
				ItemDelta.applyTo(additionalAttributeDeltas, assignmentCVal);
			}
			getPrismContext().adopt(assignmentCVal, FocusType.COMPLEX_TYPE, new ItemPath(FocusType.F_ASSIGNMENT));
			if (InternalsConfig.consistencyChecks) {
				assignmentCVal.assertDefinitions("assignmentCVal in assignment expression in "+params.getContextDescription());
			}
		} catch (SchemaException e) {
			// Should not happen
			throw new SystemException(e);
		}
		
		return assignmentCVal;
	}

	/* (non-Javadoc)
	 * @see com.evolveum.midpoint.common.expression.ExpressionEvaluator#shortDebugDump()
	 */
	@Override
	public String shortDebugDump() {
		return "assignmentExpression";
	}

}