/**
* Copyright 2011 The Apache Software Foundation
*
* 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.hadoop.hbase.index;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;
/**
* Constants contains all constants used in indexing
*/
public class Constants {
public static final int DEFAULT_NUM_RETRIES = 10;
public static final long DEFAULT_PAUSE = 1000;
public static final int DEFAULT_RETRY_LONGER_MULTIPLIER = 10;
public static final byte[] IDX_COL_FAMILY = Bytes.toBytes("d");
public static final byte[] IDX_COL_QUAL = new byte[0];
public static final String INDEX_TABLE_SUFFIX = "_idx";
public static final int DEF_MAX_INDEX_NAME_LENGTH = 18;
/**
* While scan the index(s) to be used can be explicitly passed from client application. Use this
* as the name to pass it in attributes
* @see Scan#setAttribute(String, byte[])
*/
public static final String INDEX_EXPRESSION = "indexExpression";
}