/*
 * Copyright (c) OSGi Alliance (2008, 2009). 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.osgi.service.blueprint.reflect;

/**
 *
 * Service reference that will bind to a single matching service in the service
 * registry.
 *
 * Defines the <code>reference</code> element.
 *
 */
public interface ReferenceMetadata extends ServiceReferenceMetadata,
		Target {

	/**
	 * Timeout for service invocations when a matching backing service is
	 * unavailable.
	 * Defined in the <code>timeout</code> attribute.
	 *
	 * @return service invocation timeout in milliseconds
	 */
	long getTimeout();

}
