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An alternative HBase client library for applications requiring fully
asynchronous, non-blocking and thread-safe HBase connectivity.
/*
* Copyright (C) 2010-2012 The Async HBase Authors. All rights reserved.
* This file is part of Async HBase.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the StumbleUpon nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.hbase.async;
/**
* Indicates that the {@code .META.} or {@code -ROOT-} table is corrupted.
*/
public final class BrokenMetaException extends NonRecoverableException {
private final byte[] table;
/**
* Constructor.
* @param region The region we were looking up
* (if known, can be {@code null} if not known).
* @param msg A message describing as precisely as possible what's wrong
* with the META table.
*/
BrokenMetaException(final RegionInfo region, final String msg) {
super("Your .META. table seems broken for "
+ (region == null ? "(unknown table)" : region)
+ ". " + msg);
this.table = region.table();
}
/**
* Constructor.
* @param msg A message describing as precisely as possible what's wrong
* with the META table.
* @param cause The exception that occurred while we were trying to
* de-serialize an entry of the META table (e.g. a protobuf exception).
*/
BrokenMetaException(final String msg, final Exception cause) {
super("Your .META. table seems broken. " + msg, cause);
this.table = null;
}
/**
* Constructor.
* @param msg A message describing as precisely as possible what's wrong
* with the META table.
*/
BrokenMetaException(final String msg) {
super("Your .META. table seems broken. " + msg, null);
this.table = null;
}
/**
* Returns the name of the table for which we were trying to lookup a region.
* @return A possibly {@code null} byte array.
*/
public byte[] table() {
return table;
}
/**
* Helper to complain about a particular {@link KeyValue} found.
* @param region The region we were looking up
* (if known, can be {@code null} if not known).
* @param msg A message describing as precisely as possible what's wrong
* with the META table.
* @param kv The {@link KeyValue} in which the problem was found.
*/
static BrokenMetaException badKV(final RegionInfo region,
final String msg,
final KeyValue kv) {
return new BrokenMetaException(region, "I found a row where " + msg
+ ". KeyValue=" + kv);
}
private static final long serialVersionUID = 1280222742;
}