1 /* 2 * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.sql; 27 28 /** 29 * An exception thrown as a <code>DataTruncation</code> exception 30 * (on writes) or reported as a 31 * <code>DataTruncation</code> warning (on reads) 32 * when a data values is unexpectedly truncated for reasons other than its having 33 * execeeded <code>MaxFieldSize</code>. 34 * 35 * <P>The SQLstate for a <code>DataTruncation</code> during read is <code>01004</code>. 36 * <P>The SQLstate for a <code>DataTruncation</code> during write is <code>22001</code>. 37 */ 38 39 public class DataTruncation extends SQLWarning { 40 41 /** 42 * Creates a <code>DataTruncation</code> object 43 * with the SQLState initialized 44 * to 01004 when <code>read</code> is set to <code>true</code> and 22001 45 * when <code>read</code> is set to <code>false</code>, 46 * the reason set to "Data truncation", the 47 * vendor code set to 0, and 48 * the other fields set to the given values. 49 * The <code>cause</code> is not initialized, and may subsequently be 50 * initialized by a call to the 51 * {@link Throwable#initCause(java.lang.Throwable)} method. 52 * <p> 53 * 54 * @param index The index of the parameter or column value 55 * @param parameter true if a parameter value was truncated 56 * @param read true if a read was truncated 57 * @param dataSize the original size of the data 58 * @param transferSize the size after truncation 59 */ 60 public DataTruncation(int index, boolean parameter, 61 boolean read, int dataSize, 62 int transferSize) { 63 super("Data truncation", read == true?"01004":"22001"); 64 this.index = index; 65 this.parameter = parameter; 66 this.read = read; 67 this.dataSize = dataSize; 68 this.transferSize = transferSize; 69 70 } 71 72 /** 73 * Creates a <code>DataTruncation</code> object 74 * with the SQLState initialized 75 * to 01004 when <code>read</code> is set to <code>true</code> and 22001 76 * when <code>read</code> is set to <code>false</code>, 77 * the reason set to "Data truncation", the 78 * vendor code set to 0, and 79 * the other fields set to the given values. 80 * <p> 81 * 82 * @param index The index of the parameter or column value 83 * @param parameter true if a parameter value was truncated 84 * @param read true if a read was truncated 85 * @param dataSize the original size of the data 86 * @param transferSize the size after truncation 87 * @param cause the underlying reason for this <code>DataTruncation</code> 88 * (which is saved for later retrieval by the <code>getCause()</code> method); 89 * may be null indicating the cause is non-existent or unknown. 90 * 91 * @since 1.6 92 */ 93 public DataTruncation(int index, boolean parameter, 94 boolean read, int dataSize, 95 int transferSize, Throwable cause) { 96 super("Data truncation", read == true?"01004":"22001",cause); 97 this.index = index; 98 this.parameter = parameter; 99 this.read = read; 100 this.dataSize = dataSize; 101 this.transferSize = transferSize; 102 } 103 104 /** 105 * Retrieves the index of the column or parameter that was truncated. 106 * 107 * <P>This may be -1 if the column or parameter index is unknown, in 108 * which case the <code>parameter</code> and <code>read</code> fields should be ignored. 109 * 110 * @return the index of the truncated paramter or column value 111 */ 112 public int getIndex() { 113 return index; 114 } 115 116 /** 117 * Indicates whether the value truncated was a parameter value or 118 * a column value. 119 * 120 * @return <code>true</code> if the value truncated was a parameter; 121 * <code>false</code> if it was a column value 122 */ 123 public boolean getParameter() { 124 return parameter; 125 } 126 127 /** 128 * Indicates whether or not the value was truncated on a read. 129 * 130 * @return <code>true</code> if the value was truncated when read from 131 * the database; <code>false</code> if the data was truncated on a write 132 */ 133 public boolean getRead() { 134 return read; 135 } 136 137 /** 138 * Gets the number of bytes of data that should have been transferred. 139 * This number may be approximate if data conversions were being 140 * performed. The value may be <code>-1</code> if the size is unknown. 141 * 142 * @return the number of bytes of data that should have been transferred 143 */ 144 public int getDataSize() { 145 return dataSize; 146 } 147 148 /** 149 * Gets the number of bytes of data actually transferred. 150 * The value may be <code>-1</code> if the size is unknown. 151 * 152 * @return the number of bytes of data actually transferred 153 */ 154 public int getTransferSize() { 155 return transferSize; 156 } 157 158 /** 159 * @serial 160 */ 161 private int index; 162 163 /** 164 * @serial 165 */ 166 private boolean parameter; 167 168 /** 169 * @serial 170 */ 171 private boolean read; 172 173 /** 174 * @serial 175 */ 176 private int dataSize; 177 178 /** 179 * @serial 180 */ 181 private int transferSize; 182 183 /** 184 * @serial 185 */ 186 private static final long serialVersionUID = 6464298989504059473L; 187 188 } 189
