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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.
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 */
package org.fabric3.spi.container.builder;

import java.util.function.Supplier;

import org.fabric3.api.host.Fabric3Exception;
import org.fabric3.spi.container.wire.Wire;
import org.fabric3.spi.model.physical.PhysicalWireSource;
import org.fabric3.spi.model.physical.PhysicalWireTarget;

/**
 * Attaches and detaches a wire to/from a target component or transport binding.
 */
public interface TargetWireAttacher {
    /**
     * Attaches a wire to a target component or outgoing transport binding.
     *
     * @param source metadata for performing the attach
     * @param target metadata for performing the attach
     * @param wire   the wire
     * @throws Fabric3Exception if an exception occurs during the attach operation
     */
    default void attach(PhysicalWireSource source, T target, Wire wire) throws Fabric3Exception {

    }

    /**
     * Detaches a wire from a target component or outgoing transport binding.
     *
     * @param source metadata for performing the attach
     * @param target metadata for performing the attach
     * @throws Fabric3Exception if an exception occurs during the detach operation
     */
    default void detach(PhysicalWireSource source, T target) throws Fabric3Exception {

    }

    /**
     * Create a Supplier that returns a direct target instance.
     *
     * @param target metadata for performing the attach
     * @return a Supplier that returns the target instance
     * @throws Fabric3Exception if an exception occurs during the attach operation
     */
    default Supplier createSupplier(T target) throws Fabric3Exception {
        throw new UnsupportedOperationException();
    }

}