org.osgi.service.indexer.Requirement Maven / Gradle / Ivy

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package org.osgi.service.indexer;

import java.util.Collections;
import java.util.Map;

/**
 * A requirement
 */
public final class Requirement {
	/** the namespace */
	private final String				namespace;

	/** the attributes */
	private final Map	attributes;

	/** the directives */
	private final Map	directives;

	/**
	 * Constructor
	 * 
	 * @param namespace the namespace
	 * @param attributes the attributes
	 * @param directives the directives
	 */
	Requirement(String namespace, Map attributes, Map directives) {
		this.namespace = namespace;
		this.attributes = attributes;
		this.directives = directives;
	}

	/**
	 * @return the namespace
	 */
	public String getNamespace() {
		return namespace;
	}

	/**
	 * @return the attributes
	 */
	public Map getAttributes() {
		return Collections.unmodifiableMap(attributes);
	}

	/**
	 * @return the directives
	 */
	public Map getDirectives() {
		return Collections.unmodifiableMap(directives);
	}

	@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		builder.append("Requirement [namespace=")
				.append(namespace)
				.append(", attributes=")
				.append(attributes)
				.append(", directives=")
				.append(directives)
				.append("]");
		return builder.toString();
	}
}