import quincy 17.2.0

[ceph.git] / ceph / src / arrow / java / vector / src / main / java / org / apache / arrow / vector / types / pojo / ExtensionTypeRegistry.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.arrow.vector.types.pojo;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.apache.arrow.vector.types.pojo.ArrowType.ExtensionType;

/**
 * A registry of recognized extension types.
 */
public final class ExtensionTypeRegistry {
  private static final ConcurrentMap<String, ExtensionType> registry = new ConcurrentHashMap<>();

  public static void register(ExtensionType type) {
    registry.put(type.extensionName(), type);
  }

  public static void unregister(ExtensionType type) {
    registry.remove(type.extensionName());
  }

  public static ExtensionType lookup(String name) {
    return registry.get(name);
  }
}