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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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);
}
}
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