001/** 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019package org.apache.hadoop.hbase.filter; 020 021import java.nio.ByteBuffer; 022 023import org.apache.yetus.audience.InterfaceAudience; 024 025/** 026 * ParseConstants holds a bunch of constants related to parsing Filter Strings 027 * Used by {@link ParseFilter} 028 */ 029@InterfaceAudience.Public 030public final class ParseConstants { 031 032 /** 033 * ASCII code for LPAREN 034 */ 035 public static final int LPAREN = '('; 036 037 /** 038 * ASCII code for RPAREN 039 */ 040 public static final int RPAREN = ')'; 041 042 /** 043 * ASCII code for whitespace 044 */ 045 public static final int WHITESPACE = ' '; 046 047 /** 048 * ASCII code for tab 049 */ 050 public static final int TAB = '\t'; 051 052 /** 053 * ASCII code for 'A' 054 */ 055 public static final int A = 'A'; 056 057 /** 058 * ASCII code for 'N' 059 */ 060 public static final int N = 'N'; 061 062 /** 063 * ASCII code for 'D' 064 */ 065 public static final int D = 'D'; 066 067 /** 068 * ASCII code for 'O' 069 */ 070 public static final int O = 'O'; 071 072 /** 073 * ASCII code for 'R' 074 */ 075 public static final int R = 'R'; 076 077 /** 078 * ASCII code for 'S' 079 */ 080 public static final int S = 'S'; 081 082 /** 083 * ASCII code for 'K' 084 */ 085 public static final int K = 'K'; 086 087 /** 088 * ASCII code for 'I' 089 */ 090 public static final int I = 'I'; 091 092 /** 093 * ASCII code for 'P' 094 */ 095 public static final int P = 'P'; 096 097 /** 098 * SKIP Array 099 */ 100 public static final byte [] SKIP_ARRAY = new byte [ ] {'S', 'K', 'I', 'P'}; 101 public static final ByteBuffer SKIP_BUFFER = ByteBuffer.wrap(SKIP_ARRAY); 102 103 /** 104 * ASCII code for 'W' 105 */ 106 public static final int W = 'W'; 107 108 /** 109 * ASCII code for 'H' 110 */ 111 public static final int H = 'H'; 112 113 /** 114 * ASCII code for 'L' 115 */ 116 public static final int L = 'L'; 117 118 /** 119 * ASCII code for 'E' 120 */ 121 public static final int E = 'E'; 122 123 /** 124 * WHILE Array 125 */ 126 public static final byte [] WHILE_ARRAY = new byte [] {'W', 'H', 'I', 'L', 'E'}; 127 public static final ByteBuffer WHILE_BUFFER = ByteBuffer.wrap(WHILE_ARRAY); 128 129 /** 130 * OR Array 131 */ 132 public static final byte [] OR_ARRAY = new byte [] {'O','R'}; 133 public static final ByteBuffer OR_BUFFER = ByteBuffer.wrap(OR_ARRAY); 134 135 /** 136 * AND Array 137 */ 138 public static final byte [] AND_ARRAY = new byte [] {'A','N', 'D'}; 139 public static final ByteBuffer AND_BUFFER = ByteBuffer.wrap(AND_ARRAY); 140 141 /** 142 * ASCII code for Backslash 143 */ 144 public static final int BACKSLASH = '\\'; 145 146 /** 147 * ASCII code for a single quote 148 */ 149 public static final int SINGLE_QUOTE = '\''; 150 151 /** 152 * ASCII code for a comma 153 */ 154 public static final int COMMA = ','; 155 156 /** 157 * LESS_THAN Array 158 */ 159 public static final byte [] LESS_THAN_ARRAY = new byte [] {'<'}; 160 public static final ByteBuffer LESS_THAN_BUFFER = ByteBuffer.wrap(LESS_THAN_ARRAY); 161 162 /** 163 * LESS_THAN_OR_EQUAL_TO Array 164 */ 165 public static final byte [] LESS_THAN_OR_EQUAL_TO_ARRAY = new byte [] {'<', '='}; 166 public static final ByteBuffer LESS_THAN_OR_EQUAL_TO_BUFFER = 167 ByteBuffer.wrap(LESS_THAN_OR_EQUAL_TO_ARRAY); 168 169 /** 170 * GREATER_THAN Array 171 */ 172 public static final byte [] GREATER_THAN_ARRAY = new byte [] {'>'}; 173 public static final ByteBuffer GREATER_THAN_BUFFER = ByteBuffer.wrap(GREATER_THAN_ARRAY); 174 175 /** 176 * GREATER_THAN_OR_EQUAL_TO Array 177 */ 178 public static final byte [] GREATER_THAN_OR_EQUAL_TO_ARRAY = new byte [] {'>', '='}; 179 public static final ByteBuffer GREATER_THAN_OR_EQUAL_TO_BUFFER = 180 ByteBuffer.wrap(GREATER_THAN_OR_EQUAL_TO_ARRAY); 181 182 /** 183 * EQUAL_TO Array 184 */ 185 public static final byte [] EQUAL_TO_ARRAY = new byte [] {'='}; 186 public static final ByteBuffer EQUAL_TO_BUFFER = ByteBuffer.wrap(EQUAL_TO_ARRAY); 187 188 /** 189 * NOT_EQUAL_TO Array 190 */ 191 public static final byte [] NOT_EQUAL_TO_ARRAY = new byte [] {'!', '='}; 192 public static final ByteBuffer NOT_EQUAL_TO_BUFFER = ByteBuffer.wrap(NOT_EQUAL_TO_ARRAY); 193 194 /** 195 * ASCII code for equal to (=) 196 */ 197 public static final int EQUAL_TO = '='; 198 199 /** 200 * AND Byte Array 201 */ 202 public static final byte [] AND = new byte [] {'A','N','D'}; 203 204 /** 205 * OR Byte Array 206 */ 207 public static final byte [] OR = new byte [] {'O', 'R'}; 208 209 /** 210 * LPAREN Array 211 */ 212 public static final byte [] LPAREN_ARRAY = new byte [] {'('}; 213 public static final ByteBuffer LPAREN_BUFFER = ByteBuffer.wrap(LPAREN_ARRAY); 214 215 /** 216 * ASCII code for colon (:) 217 */ 218 public static final int COLON = ':'; 219 220 /** 221 * ASCII code for Zero 222 */ 223 public static final int ZERO = '0'; 224 225 /** 226 * ASCII code foe Nine 227 */ 228 public static final int NINE = '9'; 229 230 /** 231 * BinaryType byte array 232 */ 233 public static final byte [] binaryType = new byte [] {'b','i','n','a','r','y'}; 234 235 /** 236 * BinaryPrefixType byte array 237 */ 238 public static final byte [] binaryPrefixType = new byte [] {'b','i','n','a','r','y', 239 'p','r','e','f','i','x'}; 240 241 /** 242 * RegexStringType byte array 243 */ 244 public static final byte [] regexStringType = new byte [] {'r','e','g','e', 'x', 245 's','t','r','i','n','g'}; 246 247 /** 248 * SubstringType byte array 249 */ 250 public static final byte [] substringType = new byte [] {'s','u','b','s','t','r','i','n','g'}; 251 252 /** 253 * ASCII for Minus Sign 254 */ 255 public static final int MINUS_SIGN = '-'; 256 257 /** 258 * Package containing filters 259 */ 260 public static final String FILTER_PACKAGE = "org.apache.hadoop.hbase.filter"; 261}