core/execution/RefSpecAttribute.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.core.execution;
  18
  19 import java.util.List;
  20
  21 /** A spec attribute whose value is a reference to a full fledged object. */
  22 public class RefSpecAttribute extends AbstractSpecAttribute implements
  23                 Cloneable {
  24         private static final long serialVersionUID = -3427797452955753574L;
  25         private transient Class<?> targetClass = String.class;
  26         /** Read only. */
  27         private String targetClassName;
  28         private transient Object value = null;
  29
  30         /** List to be chosen from */
  31         private List<RefValueChoice> choices = null;
  32
  33         public Object getValue() {
  34                 return value;
  35         }
  36
  37         public void setValue(Object value) {
  38                 this.value = value;
  39         }
  40
  41         /** Default is {@link String} */
  42         public Class<?> getTargetClass() {
  43                 return targetClass;
  44         }
  45
  46         public void setTargetClass(Class<?> targetClass) {
  47                 this.targetClass = targetClass;
  48                 this.targetClassName = targetClass.getName();
  49         }
  50
  51         public String getTargetClassName() {
  52                 return targetClassName;
  53         }
  54
  55         /** @return can be null */
  56         public List<RefValueChoice> getChoices() {
  57                 return choices;
  58         }
  59
  60         public void setChoices(List<RefValueChoice> choices) {
  61                 this.choices = choices;
  62         }
  63
  64         @Override
  65         protected Object clone() throws CloneNotSupportedException {
  66                 RefSpecAttribute rsa = new RefSpecAttribute();
  67                 rsa.setTargetClass(targetClass);
  68                 rsa.setChoices(choices);
  69                 return rsa;
  70         }
  71
  72         @Override
  73         public String toString() {
  74                 return "Ref spec attribute [" + targetClass + "]"
  75                                 + (value != null ? "=" + value : "");
  76         }
  77
  78 }