diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ScopeProcessor.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ScopeProcessor.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ScopeProcessor.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ScopeProcessor.java new file mode 100644 index 0000000000..e81430115a --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ScopeProcessor.java @@ -0,0 +1,74 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on + * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the + * specific language governing permissions and limitations under the License. + */ +package org.apache.tuscany.core.config.processor; + +import org.apache.tuscany.core.config.ConfigurationLoadException; +import org.apache.tuscany.model.assembly.ComponentType; +import org.apache.tuscany.model.assembly.Scope; +import org.apache.tuscany.model.assembly.Service; + +/** + * Processes the {@link org.osoa.sca.annotations.Scope} annotation + * + * @version $$Rev$$ $$Date$$ + */ +public class ScopeProcessor extends ImplementationProcessorSupport { + + public ScopeProcessor() { + } + + @Override + public void visitEnd(Class<?> clazz, ComponentType type) throws ConfigurationLoadException { + Scope scope = null; + org.osoa.sca.annotations.Scope annotation = clazz.getAnnotation(org.osoa.sca.annotations.Scope.class); + if (annotation != null) { + scope = ProcessorHelper.getScope(annotation); + } else { + Class<?> superClass = clazz.getSuperclass(); + if (superClass != null) { + scope = recurseScope(superClass); + } + } + if (scope == null) { + scope = Scope.INSTANCE; + } + //FIXME hack for now - set scope to implementation scope + //This will be clean up with spec change + for (Service service : type.getServices()) { + Scope serviceScope = service.getServiceContract().getScope(); + if (serviceScope == Scope.INSTANCE || serviceScope == null) { + service.getServiceContract().setScope(scope); + } + } + + } + + /** + * Walks the class hierarchy until a scope annotation is found + */ + private Scope recurseScope(Class<?> superClass) { + if (Object.class.equals(superClass)) { + return null; + } + org.osoa.sca.annotations.Scope scope = superClass.getAnnotation(org.osoa.sca.annotations.Scope.class); + if (scope == null) { + superClass = superClass.getSuperclass(); + if (superClass != null) { + return recurseScope(superClass); + } + } + return ProcessorHelper.getScope(scope); + } + +} |