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/*
 * Fabric3
 * Copyright (c) 2009-2015 Metaform Systems
 *
 * 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.fabric3.spi.container.binding.handler;

import org.fabric3.spi.model.physical.PhysicalBindingHandlerDefinition;

/**
 * Registers {@link BindingHandler}s so that they are available to binding extensions and registers binding extensions to receive updates when {@link
 * BindingHandler}s become available.
 */
public interface BindingHandlerRegistry {

    /**
     * Creates and returns a {@link BindingHandler} for the given definition.
     *
     * @param type       the context type support by the handler
     * @param definition the definition
     * @return the handler
     */
     BindingHandler createHandler(Class type, PhysicalBindingHandlerDefinition definition);

    /**
     * Registers to receive callbacks when {@link BindingHandler}s for a binding become available.
     *
     * @param callback the callback
     */
    void register(BindingHandlerRegistryCallback callback);

    /**
     * Unregisters a {@link BindingHandlerRegistryCallback}.
     *
     * @param callback the callback
     */
    void unregister(BindingHandlerRegistryCallback callback);

    /**
     * Registers a {@link BindingHandler}.
     *
     * @param handler the handler
     */
    void register(BindingHandler handler);

    /**
     * Unregisters a {@link BindingHandlerRegistryCallback}.
     *
     * @param handler the handler
     */
    void unregister(BindingHandler handler);

}