src/java/org/apache/cassandra/exceptions/RequestFailureReason.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.cassandra.exceptions;

public enum RequestFailureReason
{
    /**
     * The reason for the failure was none of the below reasons or was not recorded by the data node.
     */
    UNKNOWN                  (0x0000),

    /**
     * The data node read too many tombstones when attempting to execute a read query (see tombstone_failure_threshold).
     */
    READ_TOO_MANY_TOMBSTONES (0x0001);

    /** The code to be serialized as an unsigned 16 bit integer */
    public final int code;
    public static final RequestFailureReason[] VALUES = values();

    RequestFailureReason(final int code)
    {
        this.code = code;
    }

    public static RequestFailureReason fromCode(final int code)
    {
        for (RequestFailureReason reasonCode : VALUES)
        {
            if (reasonCode.code == code)
                return reasonCode;
        }
        throw new IllegalArgumentException("Unknown request failure reason error code: " + code);
    }
}