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 /*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.sca.definitions;

import java.util.List;

import javax.xml.namespace.QName;

import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.policy.BindingType;
import org.apache.tuscany.sca.policy.ImplementationType;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.PolicySet;

import org.apache.tuscany.sca.policy.ExternalAttachment;


/**
 * Represents SCA Definitions.
 *
 * @version $Rev: 1185128 $ $Date: 2011-10-17 05:37:54 -0700 (Mon, 17 Oct 2011) $
 */
public interface Definitions {
    /**
     * Returns the target namespace for this SCA Definition
     * @return the target namespace
     */
    String getTargetNamespace();
    
    /**
     * Sets the target names for this SCA Definition.
     * 
     * @param ns the target namespace for this SCA Definition
     */
    void setTargetNamespace(String ns);

    /**
     * Returns a list of domain wide Policy Intents
     * 
     * @return a list of domain wide Policy Intents 
     */
    List getIntents();
    
    /**
     * Returns a list of domain wide PolicySets
     * 
     * @return a list of domain wide PolicySets 
     */
    List getPolicySets();
    
    /**
     * Returns a list of domain wide Binding Types
     * 
     * @return a list of domain wide Binding Types 
     */
    List getBindingTypes();
    
    /**
     * Returns the requested Binding Type or null
     * if the requested Binding Type is not defined
     * in the domain
     * 
     * @param  bindingTypeName the name of the Binding Type to return
     * @return Binding Type or null if the Binding Type is not present
     */
    BindingType getBindingType(QName bindingTypeName);
    
    /**
     * Returns a list of domain wide Implementation Types
     * 
     * @return a list of domain wide Implementation Types 
     */
    List getImplementationTypes();

    /**
     * Returns the requested Implementation Type or null
     * if the requested Implementation Type is not defined
     * in the domain
     * 
     * @param implementationTypeName the name of the implementation type to return
     * @return Implementation Type or null if the Implementation Type is not present
     */
    ImplementationType getImplementationType(QName implementationTypeName);
    
    /**
     * Returns a list of domain wide binding definition objects
     * 
     * @return a list of domain wide binding definition objects 
     */
    List getBindings();
    
    /**
     * Returns a list of external attachments
     * @return
     */
    List getExternalAttachments();
}