/** * 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"; }