NodeKeyTable.java example

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arastreju-master
/*
 * Copyright (C) 2013 lichtflut Forschungs- und Entwicklungsgesellschaft mbH
 *
 * 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.arastreju.sge.persistence;

import org.arastreju.sge.naming.QualifiedName;
import org.arastreju.sge.spi.PhysicalNodeID;

import java.io.IOException;

/**
 * <p>
 *  Key table mapping qualified names to physical node IDs.
 * </p>
 *
 * <p>
 *  Created 27.01.13
 * </p>
 *
 * @author Oliver Tigges
 */
public interface NodeKeyTable<T extends PhysicalNodeID> {

    T lookup(QualifiedName qualifiedName);

    void put(QualifiedName qn, T physicalID);

    void remove(QualifiedName qn);

    void shutdown() throws IOException;

}