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DataTruncation.java
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1998-09-22
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/*
* @(#)DataTruncation.java 1.6 98/07/01
*
* Copyright 1995-1998 by Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*
* This software is the confidential and proprietary information
* of Sun Microsystems, Inc. ("Confidential Information"). You
* shall not disclose such Confidential Information and shall use
* it only in accordance with the terms of the license agreement
* you entered into with Sun.
*/
package java.sql;
/**
* <P>When JDBC unexpectedly truncates a data value, it reports a
* DataTruncation warning (on reads) or throws a DataTruncation exception
* (on writes).
*
* <P>The SQLstate for a DataTruncation is "01004".
*/
public class DataTruncation extends SQLWarning {
/**
* <P>Create a DataTruncation object. The SQLState is initialized
* to 01004, the reason is set to "Data truncation" and the
* vendorCode is set to the SQLException default.
*
* @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", "01004");
this.index = index;
this.parameter = parameter;
this.read = read;
this.dataSize = dataSize;
this.transferSize = transferSize;
DriverManager.println(" DataTruncation: index(" + index +
") parameter(" + parameter +
") read(" + read +
") data size(" + dataSize +
") transfer size(" + transferSize + ")");
}
/**
* Get 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 "parameter" and "read" fields should be ignored.
*
* @return the index of the truncated paramter or column value.
*/
public int getIndex() {
return index;
}
/**
* Is this a truncated parameter value?
*
* @return True if the value was a parameter; false if it was a column value.
*/
public boolean getParameter() {
return parameter;
}
/**
* Was this a read truncation?
*
* @return True if the value was truncated when read from the database; false
* if the data was truncated on a write.
*/
public boolean getRead() {
return read;
}
/**
* Get 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 "-1" if the size is unknown.
*
* @return the number of bytes of data that should have been transferred
*/
public int getDataSize() {
return dataSize;
}
/**
* Get the number of bytes of data actually transferred.
* The value may be "-1" if the size is unknown.
*
* @return the number of bytes of data actually transferred
*/
public int getTransferSize() {
return transferSize;
}
private int index;
private boolean parameter;
private boolean read;
private int dataSize;
private int transferSize;
}