ClusterBlockLevel.java

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.cluster.block;


import java.util.EnumSet;

public enum ClusterBlockLevel {
    READ(0),
    WRITE(1),
    METADATA_READ(2),
    METADATA_WRITE(3);

    public static final EnumSet<ClusterBlockLevel> ALL = EnumSet.of(READ, WRITE, METADATA_READ, METADATA_WRITE);
    public static final EnumSet<ClusterBlockLevel> READ_WRITE = EnumSet.of(READ, WRITE);

    private final int id;

    ClusterBlockLevel(int id) {
        this.id = id;
    }

    public int id() {
        return this.id;
    }

    static ClusterBlockLevel fromId(int id) {
        if (id == 0) {
            return READ;
        } else if (id == 1) {
            return WRITE;
        } else if (id == 2) {
            return METADATA_READ;
        } else if (id == 3) {
            return METADATA_WRITE;
        }
        throw new IllegalArgumentException("No cluster block level matching [" + id + "]");
    }
}