001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krms.framework;
017
018import java.util.Arrays;
019import java.util.Collections;
020import java.util.HashSet;
021import java.util.Map;
022import java.util.Set;
023
024import org.apache.commons.lang.ArrayUtils;
025import org.kuali.rice.krms.api.engine.TermResolver;
026
027/**
028 * Cheesy {@link TermResolver} implementation for testing purposes.
029 * 
030 * @author Kuali Rice Team (rice.collab@kuali.org)
031 *
032 */
033public class TermResolverMock<T> implements TermResolver<T> {
034        
035        private T result;
036        private String outputName;
037        private Set<String> params;
038        
039        public TermResolverMock(String outputName, T result) {
040                this(outputName, null, result);
041        }
042        
043        public TermResolverMock(String outputName, String [] params, T result) {
044                this.outputName = outputName;
045                this.result = result;
046                if (ArrayUtils.isEmpty(params)) {
047                        this.params = Collections.emptySet(); 
048                } else {
049                        this.params = Collections.unmodifiableSet(new HashSet<String>(Arrays.asList(params)));
050                }
051        }
052        
053        @Override
054        public int getCost() { return 1; }
055        
056        @Override
057        public String getOutput() { return outputName; }
058        
059        @Override
060        public Set<String> getPrerequisites() { return Collections.emptySet(); }
061        
062        @Override
063        public Set<String> getParameterNames() {
064                return params;
065        }
066        
067        @Override
068        public T resolve(Map<String, Object> resolvedPrereqs, Map<String, String> parameters) {
069                return result;
070        }
071};