code-generator/binding-java-api-generator/src/main/java/org/opendaylight/yangtools/sal/java/api/generator/UnionTemplate.xtend

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.sal.java.api.generator
   9
  10 import org.opendaylight.yangtools.sal.binding.model.api.GeneratedTransferObject
  11 import java.beans.ConstructorProperties
  12 import org.opendaylight.yangtools.sal.binding.model.api.Enumeration
  13 import static org.opendaylight.yangtools.binding.generator.util.Types.*
  14
  15 /**
  16  * Template for generating JAVA class.
  17  */
  18 class UnionTemplate extends ClassTemplate {
  19
  20     /**
  21      * Creates instance of this class with concrete <code>genType</code>.
  22      *
  23      * @param genType generated transfer object which will be transformed to JAVA class source code
  24      */
  25     new(GeneratedTransferObject genType) {
  26         super(genType)
  27     }
  28
  29     override constructors() '''
  30         «unionConstructorsParentProperties»
  31         «unionConstructors»
  32         «IF !allProperties.empty»
  33             «copyConstructor»
  34         «ENDIF»
  35         «IF properties.empty && !parentProperties.empty»
  36             «parentConstructor»
  37         «ENDIF»
  38     '''
  39
  40     private def unionConstructors() '''
  41         «FOR property : finalProperties SEPARATOR "\n"»
  42             «val propRet = property.returnType»
  43             «val isCharArray = "char[]".equals(propRet.name)»
  44             «IF isCharArray»
  45                 /**
  46                  * Constructor provided only for using in JMX. Don't use it for
  47                  * construction new object of this union type.
  48                  */
  49                 @«ConstructorProperties.importedName»("«property.name»")
  50                 public «type.name»(«propRet.importedName» «property.fieldName») {
  51                     «String.importedName» defVal = new «String.importedName»(«property.fieldName»);
  52                     «type.name» defInst = «type.name»Builder.getDefaultInstance(defVal);
  53                     «FOR other : finalProperties»
  54                         «IF other.name.equals("value")»
  55                             «IF other.returnType.importedName.contains("[]")»
  56                             this.«other.fieldName» = Arrays.copyOf(«other.fieldName», «other.fieldName».length);
  57                             «ELSE»
  58                             this.«other.fieldName» = «other.fieldName»;
  59                             «ENDIF»
  60                         «ELSE»
  61                             this.«other.fieldName» = defInst.«other.fieldName»;
  62                         «ENDIF»
  63                     «ENDFOR»
  64                 }
  65             «ELSE»
  66                 «val propertyAndTopParentProperties = parentProperties + #[property]»
  67                 public «type.name»(«propertyAndTopParentProperties.asArgumentsDeclaration») {
  68                     super(«parentProperties.asArguments»);
  69                     this.«property.fieldName» = «property.fieldName»;
  70                     «FOR other : finalProperties»
  71                         «IF property != other»
  72                             «IF "value".equals(other.name)»
  73                                 «IF "java.lang.String".equals(propRet.fullyQualifiedName)»
  74                                     ««« type string
  75                                     this.«other.fieldName» = «property.fieldName».toCharArray();
  76                                 «ELSEIF "byte[]".equals(propRet.name)»
  77                                     ««« type binary
  78                                     this.«other.fieldName» = new «String.importedName»(«property.fieldName»).toCharArray();
  79                                 «ELSEIF propRet.fullyQualifiedName.startsWith("java.lang") || propRet instanceof Enumeration»
  80                                     ««« type int*, uint or enumeration*
  81                                     this.«other.fieldName» = «property.fieldName».toString().toCharArray();
  82                                 «ELSEIF propRet instanceof GeneratedTransferObject && (propRet as GeneratedTransferObject).unionType»
  83                                     ««« union type
  84                                     this.«other.fieldName» = «property.fieldName».getValue();
  85                                 «ELSEIF propRet instanceof GeneratedTransferObject // Is it a GeneratedTransferObject
  86                                         && (propRet as GeneratedTransferObject).typedef  // Is it a typedef
  87                                         && (propRet as GeneratedTransferObject).properties != null
  88                                         && !(propRet as GeneratedTransferObject).properties.empty
  89                                         && ((propRet as GeneratedTransferObject).properties.size == 1)
  90                                         && (propRet as GeneratedTransferObject).properties.get(0).name.equals("value")
  91                                         && BOOLEAN.equals((propRet as GeneratedTransferObject).properties.get(0).returnType)» // And the property value is of type boolean
  92                                     ««« generated boolean typedef
  93                                     this.«other.fieldName» = «property.fieldName».isValue().toString().toCharArray();
  94                                 «ELSE»
  95                                     ««« generated type
  96                                     this.«other.fieldName» = «property.fieldName».getValue().toString().toCharArray();
  97                                 «ENDIF»
  98                             «ELSE»
  99                                 this.«other.fieldName» = null;
 100                             «ENDIF»
 101                         «ENDIF»
 102                     «ENDFOR»
 103                 }
 104             «ENDIF»
 105         «ENDFOR»
 106     '''
 107
 108     private def unionConstructorsParentProperties() '''
 109         «FOR property : parentProperties SEPARATOR "\n"»
 110             public «type.name»(«property.returnType.importedName» «property.fieldName») {
 111                 super(«property.fieldName»);
 112             }
 113         «ENDFOR»
 114     '''
 115
 116     override protected copyConstructor() '''
 117         /**
 118          * Creates a copy from Source Object.
 119          *
 120          * @param source Source object
 121          */
 122         public «type.name»(«type.name» source) {
 123             «IF !parentProperties.empty»
 124                 super(source);
 125             «ENDIF»
 126             «IF !properties.empty»
 127                 «FOR p : properties»
 128                     «IF p.returnType.importedName.contains("[]")»
 129                     this.«p.fieldName» = Arrays.copyOf(source.«p.fieldName», source.«p.fieldName».length);
 130                     «ELSE»
 131                     this.«p.fieldName» = source.«p.fieldName»;
 132                     «ENDIF»
 133                 «ENDFOR»
 134             «ENDIF»
 135         }
 136     '''
 137
 138 }