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/*
 * Copyright (c) OSGi Alliance (2008, 2013). 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;

/**
 * Metadata for a simple {@code String} value that will be type-converted if
 * necessary before injecting.
 * 
 * @ThreadSafe
 * @author $Id: 69bf6aaf988e94fe8769f3d21cdb45a6534714e2 $
 */
public interface ValueMetadata extends NonNullMetadata {
	/**
	 * Return the unconverted string representation of the value.
	 * 
	 * This is specified by the {@code value} attribute or text part of the
	 * {@code value} element.
	 * 
	 * @return The unconverted string representation of the value.
	 */
	String getStringValue();

	/**
	 * Return the name of the type to which the value should be converted.
	 * 
	 * This is specified by the {@code type} attribute.
	 * 
	 * @return The name of the type to which the value should be converted or
	 *         {@code null} if no type is specified.
	 */
	String getType();
}