core/src/main/java/org/apache/accumulo/core/client/impl/TabletType.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.accumulo.core.client.impl;

import java.util.Collection;

import org.apache.accumulo.core.data.impl.KeyExtent;

public enum TabletType {
  ROOT, METADATA, USER;

  public static TabletType type(KeyExtent ke) {
    if (ke.isRootTablet())
      return ROOT;
    if (ke.isMeta())
      return METADATA;
    return USER;
  }

  public static TabletType type(Collection<KeyExtent> extents) {
    if (extents.size() == 0)
      throw new IllegalArgumentException();

    TabletType ttype = null;

    for (KeyExtent extent : extents) {
      if (ttype == null)
        ttype = type(extent);
      else if (ttype != type(extent))
        throw new IllegalArgumentException(
            "multiple extent types not allowed " + ttype + " " + type(extent));
    }

    return ttype;
  }
}