cassandra-trunk/src/java/org/apache/cassandra/exceptions/PreparedQueryNotFoundException.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;

import org.apache.cassandra.utils.MD5Digest;

public class PreparedQueryNotFoundException extends RequestValidationException
{
    public final MD5Digest id;

    public PreparedQueryNotFoundException(MD5Digest id)
    {
        super(ExceptionCode.UNPREPARED, makeMsg(id));
        this.id = id;
    }

    private static String makeMsg(MD5Digest id)
    {
        return String.format("Prepared query with ID %s not found" +
                             " (either the query was not prepared on this host (maybe the host has been restarted?)" +
                             " or you have prepared too many queries and it has been evicted from the internal cache)",
                             id);
    }
}
