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DataTruncation.java
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188 lines (170 loc) · 5.35 KB
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/*
* Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.sql;
/**
* An exception thrown as a <code>DataTruncation</code> exception
* (on writes) or reported as a
* <code>DataTruncation</code> warning (on reads)
* when a data values is unexpectedly truncated for reasons other than its having
* execeeded <code>MaxFieldSize</code>.
*
* <P>The SQLstate for a <code>DataTruncation</code> during read is <code>01004</code>.
* <P>The SQLstate for a <code>DataTruncation</code> during write is <code>22001</code>.
*/
public class DataTruncation extends SQLWarning {
/**
* Creates a <code>DataTruncation</code> object
* with the SQLState initialized
* to 01004 when <code>read</code> is set to <code>true</code> and 22001
* when <code>read</code> is set to <code>false</code>,
* the reason set to "Data truncation", the
* vendor code set to 0, and
* the other fields set to the given values.
* The <code>cause</code> is not initialized, and may subsequently be
* initialized by a call to the
* {@link Throwable#initCause(java.lang.Throwable)} method.
* <p>
*
* @param index The index of the parameter or column value
* @param parameter true if a parameter value was truncated
* @param read true if a read was truncated
* @param dataSize the original size of the data
* @param transferSize the size after truncation
*/
public DataTruncation(int index, boolean parameter,
boolean read, int dataSize,
int transferSize) {
super("Data truncation", read == true?"01004":"22001");
this.index = index;
this.parameter = parameter;
this.read = read;
this.dataSize = dataSize;
this.transferSize = transferSize;
}
/**
* Creates a <code>DataTruncation</code> object
* with the SQLState initialized
* to 01004 when <code>read</code> is set to <code>true</code> and 22001
* when <code>read</code> is set to <code>false</code>,
* the reason set to "Data truncation", the
* vendor code set to 0, and
* the other fields set to the given values.
* <p>
*
* @param index The index of the parameter or column value
* @param parameter true if a parameter value was truncated
* @param read true if a read was truncated
* @param dataSize the original size of the data
* @param transferSize the size after truncation
* @param cause the underlying reason for this <code>DataTruncation</code>
* (which is saved for later retrieval by the <code>getCause()</code> method);
* may be null indicating the cause is non-existent or unknown.
*
* @since 1.6
*/
public DataTruncation(int index, boolean parameter,
boolean read, int dataSize,
int transferSize, Throwable cause) {
super("Data truncation", read == true?"01004":"22001",cause);
this.index = index;
this.parameter = parameter;
this.read = read;
this.dataSize = dataSize;
this.transferSize = transferSize;
}
/**
* Retrieves the index of the column or parameter that was truncated.
*
* <P>This may be -1 if the column or parameter index is unknown, in
* which case the <code>parameter</code> and <code>read</code> fields should be ignored.
*
* @return the index of the truncated paramter or column value
*/
public int getIndex() {
return index;
}
/**
* Indicates whether the value truncated was a parameter value or
* a column value.
*
* @return <code>true</code> if the value truncated was a parameter;
* <code>false</code> if it was a column value
*/
public boolean getParameter() {
return parameter;
}
/**
* Indicates whether or not the value was truncated on a read.
*
* @return <code>true</code> if the value was truncated when read from
* the database; <code>false</code> if the data was truncated on a write
*/
public boolean getRead() {
return read;
}
/**
* Gets the number of bytes of data that should have been transferred.
* This number may be approximate if data conversions were being
* performed. The value may be <code>-1</code> if the size is unknown.
*
* @return the number of bytes of data that should have been transferred
*/
public int getDataSize() {
return dataSize;
}
/**
* Gets the number of bytes of data actually transferred.
* The value may be <code>-1</code> if the size is unknown.
*
* @return the number of bytes of data actually transferred
*/
public int getTransferSize() {
return transferSize;
}
/**
* @serial
*/
private int index;
/**
* @serial
*/
private boolean parameter;
/**
* @serial
*/
private boolean read;
/**
* @serial
*/
private int dataSize;
/**
* @serial
*/
private int transferSize;
/**
* @serial
*/
private static final long serialVersionUID = 6464298989504059473L;
}