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Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/config/ImplementationProcessor.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/config/ImplementationProcessor.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/config/ImplementationProcessor.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/config/ImplementationProcessor.java new file mode 100644 index 0000000000..b464a7f00f --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/config/ImplementationProcessor.java @@ -0,0 +1,65 @@ +/** + * + * 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.extension.config; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +import org.apache.tuscany.model.assembly.ComponentType; +import org.apache.tuscany.core.config.ConfigurationLoadException; + +/** + * Implementations process a Java class and contribute to a {@link org.apache.tuscany.model.assembly.ComponentType} + * or provide some validation function. Implementations may contribute to defined <code>ComponentType</code> + * metadata, a general <code>ComponentType</code> extensibility element, or a more specific Java extensibility + * element, which is associated with {@link org.apache.tuscany.core.extension.config.JavaExtensibilityElement} and + * stored in the <code>ComponentType</code>'s extensibility collection. Processors will typically use {@link + * JavaExtensibilityHelper#getExtensibilityElement(org.apache.tuscany.model.assembly.Extensible)}, which + * provides methods for retrieving the Java extensibility element. + * <p/> + * In the runtime, a {@link org.apache.tuscany.core.config.ComponentTypeIntrospector} system service introspects component implementation + * types when an assembly is loaded, calling out to registered processors in the order defined by {@link + * ComponentTypeIntrospector#introspect(Class<?>)}. Generally, processors are also system services which + * register themeselves with a <code>ComponentTypeIntrospector</code>. For convenience, a processor + * implementation can extend <@link org.apache.tuscany.core.config.processor.ImplementationProcessorSupport}, + * which provides mechanisms for doing this. + * <p/> + * There are a series of bootsrap, or primordial, processors configured in the runtime, and they serve as + * examples of how an <code>ImplementationProcessor</code> can be implemented. + * + * @see org.apache.tuscany.core.config.processor.PropertyProcessor + * @see org.apache.tuscany.core.config.processor.ReferenceProcessor + * @see org.apache.tuscany.core.config.processor.InitProcessor + * @see org.apache.tuscany.core.config.processor.DestroyProcessor + * @see org.apache.tuscany.core.config.processor.ComponentNameProcessor + * + * @version $$Rev$$ $$Date$$ + * @see org.apache.tuscany.core.config.processor.ImplementationProcessorSupport + */ +public interface ImplementationProcessor { + + public void visitClass(Class<?> clazz, ComponentType type) throws ConfigurationLoadException; + + public void visitSuperClass(Class<?> clazz, ComponentType type) throws ConfigurationLoadException; + + public void visitMethod(Method method, ComponentType type) throws ConfigurationLoadException; + + public void visitConstructor(Constructor<?> constructor, ComponentType type) throws ConfigurationLoadException; + + public void visitField(Field field, ComponentType type) throws ConfigurationLoadException; + + public void visitEnd(Class<?> clazz, ComponentType type) throws ConfigurationLoadException; + +} |