core/bootstrap/src/main/java/org/qi4j/bootstrap/AssemblyVisitor.java

/*
 * Copyright (c) 2009, Rickard Öberg. All Rights Reserved.
 *
 * 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.qi4j.bootstrap;

/**
 * Visitor interface to visit the whole or parts of an assembly.
 * <p>
 * Implement this interface and call visit() on ApplicationAssembly, LayerAssembly or ModuleAssembly.
 * </p>
 * <p>
 * This can be used to, for example, add metadata to all entities, add concerns on composites, or similar.
 * </p>
 */
public interface AssemblyVisitor<ThrowableType extends Throwable>
{
    public void visitApplication( ApplicationAssembly assembly )
        throws ThrowableType;

    public void visitLayer( LayerAssembly assembly )
        throws ThrowableType;

    public void visitModule( ModuleAssembly assembly )
        throws ThrowableType;

    public void visitComposite( TransientDeclaration declaration )
        throws ThrowableType;

    public void visitEntity( EntityDeclaration declaration )
        throws ThrowableType;

    public void visitService( ServiceDeclaration declaration )
        throws ThrowableType;

    public void visitImportedService( ImportedServiceDeclaration declaration )
        throws ThrowableType;

    public void visitValue( ValueDeclaration declaration )
        throws ThrowableType;

    public void visitObject( ObjectDeclaration declaration )
        throws ThrowableType;
}