001    /**
002     * Copyright 2005-2012 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     */
016    package org.kuali.rice.krms.framework;
017    
018    import java.util.Arrays;
019    import java.util.Collections;
020    import java.util.HashSet;
021    import java.util.Map;
022    import java.util.Set;
023    
024    import org.apache.commons.lang.ArrayUtils;
025    import 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     */
033    public 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    };