X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=binding%2Fmdsal-binding-java-api-generator%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fmdsal%2Fbinding%2Fjava%2Fapi%2Fgenerator%2FBuilderTemplate.xtend;h=2a23fe1a90a776e0d971fc4137cfdac66c99b50d;hb=46d3e5401d9c182c12819351b79176ad4354a5c1;hp=027bac6d555f2016eb3ad2370270c7539692261e;hpb=68f10296f3c9e34576a05f3106dad62ad3bf5f82;p=mdsal.git diff --git a/binding/mdsal-binding-java-api-generator/src/main/java/org/opendaylight/mdsal/binding/java/api/generator/BuilderTemplate.xtend b/binding/mdsal-binding-java-api-generator/src/main/java/org/opendaylight/mdsal/binding/java/api/generator/BuilderTemplate.xtend index 027bac6d55..2a23fe1a90 100644 --- a/binding/mdsal-binding-java-api-generator/src/main/java/org/opendaylight/mdsal/binding/java/api/generator/BuilderTemplate.xtend +++ b/binding/mdsal-binding-java-api-generator/src/main/java/org/opendaylight/mdsal/binding/java/api/generator/BuilderTemplate.xtend @@ -8,7 +8,7 @@ package org.opendaylight.mdsal.binding.java.api.generator import static extension org.apache.commons.text.StringEscapeUtils.escapeJava -import static org.opendaylight.mdsal.binding.model.util.BindingTypes.DATA_OBJECT +import static org.opendaylight.mdsal.binding.model.ri.BindingTypes.DATA_OBJECT import static org.opendaylight.mdsal.binding.spec.naming.BindingMapping.AUGMENTABLE_AUGMENTATION_NAME import static org.opendaylight.mdsal.binding.spec.naming.BindingMapping.AUGMENTATION_FIELD import static org.opendaylight.mdsal.binding.spec.naming.BindingMapping.DATA_CONTAINER_IMPLEMENTED_INTERFACE_NAME @@ -30,22 +30,14 @@ import org.opendaylight.mdsal.binding.model.api.JavaTypeName import org.opendaylight.mdsal.binding.model.api.MethodSignature; import org.opendaylight.mdsal.binding.model.api.ParameterizedType import org.opendaylight.mdsal.binding.model.api.Type -import org.opendaylight.mdsal.binding.model.util.TypeConstants -import org.opendaylight.mdsal.binding.model.util.Types +import org.opendaylight.mdsal.binding.model.ri.TypeConstants +import org.opendaylight.mdsal.binding.model.ri.Types import org.opendaylight.mdsal.binding.spec.naming.BindingMapping -import org.opendaylight.yangtools.concepts.Builder /** * Template for generating JAVA builder classes. */ class BuilderTemplate extends AbstractBuilderTemplate { - /** - * Constant used as suffix for builder name. - */ - package static val BUILDER_STR = "Builder"; - - static val BUILDER = JavaTypeName.create(Builder) - val BuilderImplTemplate implTemplate /** @@ -71,7 +63,7 @@ class BuilderTemplate extends AbstractBuilderTemplate { «wrapToDocumentation(formatDataForJavaDoc(targetType))» «targetType.annotations.generateDeprecatedAnnotation» «generatedAnnotation» - public class «type.name» implements «BUILDER.importedName»<«targetType.importedName»> { + public class «type.name» { «generateFields(false)» @@ -81,8 +73,21 @@ class BuilderTemplate extends AbstractBuilderTemplate { «generateAugmentField()» «ENDIF» + /** + * Construct an empty builder. + */ + public «type.name»() { + // No-op + } + «generateConstructorsFromIfcs()» + «val targetTypeName = targetType.importedName» + /** + * Construct a builder initialized with state from specified {@link «targetTypeName»}. + * + * @param base «targetTypeName» from which the builder should be initialized + */ public «generateCopyConstructor(targetType, type.enclosedTypes.get(0))» «generateMethodFieldsFrom()» @@ -95,8 +100,12 @@ class BuilderTemplate extends AbstractBuilderTemplate { «generateSetters» - @«OVERRIDE.importedName» - public «targetType.name» build() { + /** + * A new {@link «targetTypeName»} instance. + * + * @return A new {@link «targetTypeName»} instance. + */ + public «targetTypeName» build() { return new «type.enclosedTypes.get(0).importedName»(this); } @@ -116,9 +125,6 @@ class BuilderTemplate extends AbstractBuilderTemplate { * Generate default constructor and constructor for every implemented interface from uses statements. */ def private generateConstructorsFromIfcs() ''' - public «type.name»() { - } - «IF (!(targetType instanceof GeneratedTransferObject))» «FOR impl : targetType.implements SEPARATOR "\n"» «generateConstructorFromIfc(impl)» @@ -132,9 +138,16 @@ class BuilderTemplate extends AbstractBuilderTemplate { def private Object generateConstructorFromIfc(Type impl) ''' «IF (impl instanceof GeneratedType)» «IF impl.hasNonDefaultMethods» - public «type.name»(«impl.importedName» arg) { + «val typeName = impl.importedName» + /** + * Construct a new builder initialized from specified {@link «typeName»}. + * + * @param arg «typeName» from which the builder should be initialized + */ + public «type.name»(«typeName» arg) { «printConstructorPropertySetter(impl)» } + «ENDIF» «FOR implTypeImplement : impl.implements» «generateConstructorFromIfc(implTypeImplement)» @@ -206,7 +219,7 @@ class BuilderTemplate extends AbstractBuilderTemplate { * Set fields from given grouping argument. Valid argument is instance of one of following types: * * @@ -255,13 +268,39 @@ class BuilderTemplate extends AbstractBuilderTemplate { if (Types.strictTypeEquals(getter.returnType, ownGetterType)) { return "this._" + propertyName + " = " + retrieveProperty } - if (Types.isListType(ownGetterType)) { - val itemType = (ownGetterType as ParameterizedType).actualTypeArguments.get(0) - return ''' - this._«propertyName» = «CODEHELPERS.importedName».checkListFieldCast(«itemType.importedName».class, "«propertyName»", «retrieveProperty»)''' + if (ownGetterType instanceof ParameterizedType) { + val itemType = ownGetterType.actualTypeArguments.get(0) + if (Types.isListType(ownGetterType)) { + val importedClass = importedClass(itemType) + if (importedClass !== null) { + return printPropertySetter(retrieveProperty, propertyName, "checkListFieldCastIdentity", importedClass) + } + return printPropertySetter(retrieveProperty, propertyName, "checkListFieldCast", itemType.importedName) + } + if (Types.isSetType(ownGetterType)) { + val importedClass = importedClass(itemType) + if (importedClass !== null) { + return printPropertySetter(retrieveProperty, propertyName, "checkSetFieldCastIdentity", importedClass) + } + return printPropertySetter(retrieveProperty, propertyName, "checkSetFieldCast", itemType.importedName) + } + if (Types.CLASS.equals(ownGetterType)) { + return printPropertySetter(retrieveProperty, propertyName, "checkFieldCastIdentity", itemType.identifier.importedName) + } } - return ''' - this._«propertyName» = «CODEHELPERS.importedName».checkFieldCast(«ownGetter.returnType.importedName».class, "«propertyName»", «retrieveProperty»)''' + return printPropertySetter(retrieveProperty, propertyName, "checkFieldCast", ownGetterType.importedName) + } + + def private printPropertySetter(String retrieveProperty, String propertyName, String checkerName, String className) ''' + this._«propertyName» = «CODEHELPERS.importedName».«checkerName»(«className».class, "«propertyName»", «retrieveProperty»)''' + + private def importedClass(Type type) { + if (type instanceof ParameterizedType) { + if (Types.CLASS.equals(type.rawType)) { + return type.actualTypeArguments.get(0).identifier.importedName + } + } + return null } private def List getBaseIfcs(GeneratedType type) { @@ -321,7 +360,7 @@ class BuilderTemplate extends AbstractBuilderTemplate { def private generateSetter(GeneratedProperty field) { val returnType = field.returnType if (returnType instanceof ParameterizedType) { - if (Types.isListType(returnType)) { + if (Types.isListType(returnType) || Types.isSetType(returnType)) { val arguments = returnType.actualTypeArguments if (arguments.isEmpty) { return generateListSetter(field, Types.objectType) @@ -444,7 +483,7 @@ class BuilderTemplate extends AbstractBuilderTemplate { ''' private def createDescription(GeneratedType targetType) { - val target = type.importedName + val target = targetType.importedName return ''' Class that builds {@link «target»} instances. Overall design of the class is that of a fluent interface, where method chaining is used. @@ -453,7 +492,7 @@ class BuilderTemplate extends AbstractBuilderTemplate { In general, this class is supposed to be used like this template:
           
-            «target» createTarget(int fooXyzzy, int barBaz) {
+            «target» create«target»(int fooXyzzy, int barBaz) {
                 return new «target»Builder()
                     .setFoo(new FooBuilder().setXyzzy(fooXyzzy).build())
                     .setBar(new BarBuilder().setBaz(barBaz).build())
@@ -474,14 +513,13 @@ class BuilderTemplate extends AbstractBuilderTemplate {
               invocation, which is terminated by {@link #build()}, which is then returned from the method
           
  • better understanding by humans, as the scope of mutable state (the builder) is kept to a minimum and is very localized
  • -
  • better optimization oportunities, as the object scope is minimized in terms of invocation (rather than +
  • better optimization opportunities, as the object scope is minimized in terms of invocation (rather than method) stack, making escape analysis a lot easier. Given enough compiler (JIT/AOT) prowess, the cost of th builder object can be completely eliminated
  • @see «target» - @see «BUILDER.importedName» ''' } @@ -515,14 +553,10 @@ class BuilderTemplate extends AbstractBuilderTemplate { «ENDFOR» ''' - override protected generateCopyAugmentation(Type implType) { - val hashMapRef = JU_HASHMAP.importedName - val augmentTypeRef = augmentType.importedName - return ''' - «JU_MAP.importedName»<«CLASS.importedName», «augmentTypeRef»> aug = base.augmentations(); - if (!aug.isEmpty()) { - this.«AUGMENTATION_FIELD» = new «hashMapRef»<>(aug); - } - ''' - } + override protected generateCopyAugmentation(Type implType) ''' + final var aug = base.augmentations(); + if (!aug.isEmpty()) { + this.«AUGMENTATION_FIELD» = new «JU_HASHMAP.importedName»<>(aug); + } + ''' }