winery/org.eclipse.winery.common/src/main/java/org/eclipse/winery/common/ids/elements/TOSCAElementId.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 University of Stuttgart.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * and the Apache License 2.0 which both accompany this distribution,
   6  * and are available at http://www.eclipse.org/legal/epl-v10.html
   7  * and http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Contributors:
  10  *     Oliver Kopp - initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.winery.common.ids.elements;
  13
  14 import org.eclipse.winery.common.ids.GenericId;
  15 import org.eclipse.winery.common.ids.XMLId;
  16
  17 /**
  18  * Models an ID of a TOSCA element, which is NOT a TOSCAcomponentId
  19  *
  20  * It has a parent and an xmlId
  21  */
  22 public abstract class TOSCAElementId extends GenericId {
  23
  24         private final GenericId parent;
  25
  26
  27         public TOSCAElementId(GenericId parent, XMLId xmlId) {
  28                 super(xmlId);
  29                 this.parent = parent;
  30         }
  31
  32         @Override
  33         public GenericId getParent() {
  34                 return this.parent;
  35         }
  36
  37         @Override
  38         public boolean equals(Object obj) {
  39                 if (obj instanceof TOSCAElementId) {
  40                         TOSCAElementId otherId = (TOSCAElementId) obj;
  41                         // the XML id has to be equal and the parents have to be equal
  42                         return (otherId.getXmlId().equals(this.getXmlId())) && (otherId.getParent().equals(this.getParent()));
  43                 } else {
  44                         return false;
  45                 }
  46         }
  47
  48         @Override
  49         public int compareTo(GenericId o1) {
  50                 if (o1 instanceof TOSCAElementId) {
  51                         TOSCAElementId o = (TOSCAElementId) o1;
  52                         if (this.getParent().equals(o.getParent())) {
  53                                 return this.getXmlId().compareTo(o.getXmlId());
  54                         } else {
  55                                 return this.getParent().compareTo(o.getParent());
  56                         }
  57                 } else {
  58                         // comparing TOSCAcomponentIDs with non-TOSCAcomponentIDs is not
  59                         // possible
  60                         throw new IllegalStateException();
  61                 }
  62         }
  63
  64         @Override
  65         public int hashCode() {
  66                 return this.getParent().hashCode() ^ this.getXmlId().hashCode();
  67         }
  68
  69         @Override
  70         public String toString() {
  71                 String res;
  72                 res = this.getClass().toString() + " / " + this.getXmlId().getDecoded();
  73                 res += "\n";
  74                 res += "parent: " + this.getParent().toString();
  75                 return res;
  76         }
  77 }