1 /* 2 * Copyright (c) 2010, 2011 Oracle and/or its affiliates. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License, version 2.0, 6 * as published by the Free Software Foundation. 7 * 8 * This program is also distributed with certain software (including 9 * but not limited to OpenSSL) that is licensed under separate terms, 10 * as designated in a particular file or component or in included license 11 * documentation. The authors of MySQL hereby grant you an additional 12 * permission to link the program and your derivative works with the 13 * separately licensed software that they have included with MySQL. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License, version 2.0, for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25 package com.mysql.clusterj.tie; 26 27 import java.math.BigDecimal; 28 import java.math.BigInteger; 29 import java.nio.ByteBuffer; 30 import java.util.Arrays; 31 32 import com.mysql.ndbjtie.ndbapi.NdbScanFilter; 33 34 import com.mysql.clusterj.ClusterJFatalInternalException; 35 36 import com.mysql.clusterj.core.store.Column; 37 import com.mysql.clusterj.core.store.ScanFilter; 38 import com.mysql.clusterj.core.util.I18NHelper; 39 import com.mysql.clusterj.core.util.Logger; 40 import com.mysql.clusterj.core.util.LoggerFactoryService; 41 42 /** 43 * 44 */ 45 class ScanFilterImpl implements ScanFilter { 46 47 /** My message translator */ 48 static final I18NHelper local = I18NHelper 49 .getInstance(ScanFilterImpl.class); 50 51 /** My logger */ 52 static final Logger logger = LoggerFactoryService.getFactory() 53 .getInstance(ScanFilterImpl.class); 54 55 private NdbScanFilter ndbScanFilter; 56 ScanFilterImpl(NdbScanFilter ndbScanFilter)57 public ScanFilterImpl(NdbScanFilter ndbScanFilter) { 58 this.ndbScanFilter = ndbScanFilter; 59 } 60 begin()61 public void begin() { 62 int returnCode = ndbScanFilter.begin(NdbScanFilter.Group.AND); 63 handleError(returnCode, ndbScanFilter); 64 } 65 begin(Group group)66 public void begin(Group group) { 67 int returnCode = ndbScanFilter.begin(convertGroup(group)); 68 handleError(returnCode, ndbScanFilter); 69 } 70 cmpBigInteger(BinaryCondition condition, Column storeColumn, BigInteger value)71 public void cmpBigInteger(BinaryCondition condition, Column storeColumn, BigInteger value) { 72 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 73 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 74 storeColumn.getColumnId(), buffer, buffer.capacity()); 75 handleError(returnCode, ndbScanFilter); 76 } 77 cmpBoolean(BinaryCondition condition, Column storeColumn, boolean value)78 public void cmpBoolean(BinaryCondition condition, Column storeColumn, boolean value) { 79 byte byteValue = (value?(byte)0x01:(byte)0x00); 80 cmpByte(condition, storeColumn, byteValue); 81 } 82 cmpByte(BinaryCondition condition, Column storeColumn, byte value)83 public void cmpByte(BinaryCondition condition, Column storeColumn, byte value) { 84 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 85 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 86 storeColumn.getColumnId(), buffer, buffer.capacity()); 87 handleError(returnCode, ndbScanFilter); 88 } 89 cmpBytes(BinaryCondition condition, Column storeColumn, byte[] value)90 public void cmpBytes(BinaryCondition condition, Column storeColumn, byte[] value) { 91 ByteBuffer buffer; 92 if (condition == BinaryCondition.COND_LIKE) { 93 buffer = Utility.convertValueForLikeFilter(storeColumn, value); 94 } else { 95 buffer = Utility.convertValue(storeColumn, value); 96 } 97 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 98 storeColumn.getColumnId(), buffer, buffer.capacity()); 99 handleError(returnCode, ndbScanFilter); 100 } 101 cmpDecimal(BinaryCondition condition, Column storeColumn, BigDecimal value)102 public void cmpDecimal(BinaryCondition condition, Column storeColumn, BigDecimal value) { 103 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 104 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 105 storeColumn.getColumnId(), buffer, buffer.capacity()); 106 handleError(returnCode, ndbScanFilter); 107 } 108 cmpDouble(BinaryCondition condition, Column storeColumn, double value)109 public void cmpDouble(BinaryCondition condition, Column storeColumn, double value) { 110 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 111 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 112 storeColumn.getColumnId(), buffer, buffer.capacity()); 113 handleError(returnCode, ndbScanFilter); 114 } 115 cmpFloat(BinaryCondition condition, Column storeColumn, float value)116 public void cmpFloat(BinaryCondition condition, Column storeColumn, float value) { 117 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 118 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 119 storeColumn.getColumnId(), buffer, buffer.capacity()); 120 handleError(returnCode, ndbScanFilter); 121 } 122 cmpShort(BinaryCondition condition, Column storeColumn, short value)123 public void cmpShort(BinaryCondition condition, Column storeColumn, short value) { 124 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 125 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 126 storeColumn.getColumnId(), buffer, buffer.capacity()); 127 handleError(returnCode, ndbScanFilter); 128 } 129 cmpInt(BinaryCondition condition, Column storeColumn, int value)130 public void cmpInt(BinaryCondition condition, Column storeColumn, int value) { 131 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 132 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 133 storeColumn.getColumnId(), buffer, buffer.capacity()); 134 handleError(returnCode, ndbScanFilter); 135 } 136 cmpLong(BinaryCondition condition, Column storeColumn, long value)137 public void cmpLong(BinaryCondition condition, Column storeColumn, long value) { 138 ByteBuffer buffer = Utility.convertValue(storeColumn, value); 139 if (logger.isDetailEnabled()) { 140 int bufferLength = buffer.limit() - buffer.position(); 141 byte[] array = new byte[bufferLength]; 142 buffer.get(array); 143 buffer.flip(); 144 logger.detail("column: " + storeColumn.getName() + " condition: " + condition.toString() + " value: " + value + Arrays.toString(array) + "(" + buffer.capacity() + ")"); 145 } 146 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 147 storeColumn.getColumnId(), buffer, buffer.capacity()); 148 handleError(returnCode, ndbScanFilter); 149 } 150 cmpString(BinaryCondition condition, Column storeColumn, String value)151 public void cmpString(BinaryCondition condition, Column storeColumn, String value) { 152 if (logger.isDebugEnabled()) 153 logger.debug(storeColumn.getName() + " " + condition + " " + value); 154 ByteBuffer buffer; 155 if (condition == BinaryCondition.COND_LIKE) { 156 buffer = Utility.convertValueForLikeFilter(storeColumn, value); 157 } else { 158 buffer = Utility.convertValue(storeColumn, value); 159 } 160 int returnCode = ndbScanFilter.cmp(convertCondition(condition), 161 storeColumn.getColumnId(), buffer, buffer.limit()); 162 handleError(returnCode, ndbScanFilter); 163 } 164 isNull(Column storeColumn)165 public void isNull(Column storeColumn) { 166 int returnCode = ndbScanFilter.isnull(storeColumn.getColumnId()); 167 handleError(returnCode, ndbScanFilter); 168 } 169 end()170 public void end() { 171 int returnCode = ndbScanFilter.end(); 172 handleError(returnCode, ndbScanFilter); 173 } 174 convertCondition(BinaryCondition condition)175 private int convertCondition(BinaryCondition condition) { 176 switch (condition) { 177 case COND_EQ: 178 return NdbScanFilter.BinaryCondition.COND_EQ; 179 case COND_LE: 180 return NdbScanFilter.BinaryCondition.COND_LE; 181 case COND_LT: 182 return NdbScanFilter.BinaryCondition.COND_LT; 183 case COND_GE: 184 return NdbScanFilter.BinaryCondition.COND_GE; 185 case COND_GT: 186 return NdbScanFilter.BinaryCondition.COND_GT; 187 case COND_LIKE: 188 return NdbScanFilter.BinaryCondition.COND_LIKE; 189 default: 190 throw new ClusterJFatalInternalException( 191 local.message("ERR_Implementation_Should_Not_Occur")); 192 } 193 } 194 convertGroup(Group group)195 private int convertGroup(Group group) { 196 switch(group) { 197 case GROUP_AND: 198 return NdbScanFilter.Group.AND; 199 case GROUP_NAND: 200 return NdbScanFilter.Group.NAND; 201 case GROUP_OR: 202 return NdbScanFilter.Group.OR; 203 default: 204 throw new ClusterJFatalInternalException( 205 local.message("ERR_Implementation_Should_Not_Occur")); 206 } 207 } 208 handleError(int returnCode, NdbScanFilter ndbScanFilter)209 protected static void handleError(int returnCode, NdbScanFilter ndbScanFilter) { 210 if (returnCode == 0) { 211 return; 212 } else { 213 Utility.throwError(returnCode, ndbScanFilter.getNdbError()); 214 } 215 } 216 handleError(Object object, NdbScanFilter ndbScanFilter)217 protected static void handleError(Object object, NdbScanFilter ndbScanFilter) { 218 if (object != null) { 219 return; 220 } else { 221 Utility.throwError(null, ndbScanFilter.getNdbError()); 222 } 223 } 224 delete()225 public void delete() { 226 NdbScanFilter.delete(ndbScanFilter); 227 } 228 229 } 230