cubrid.jdbc.jci.UBindParameter Maven / Gradle / Ivy
/*
* Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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/**
* Title: CUBRID Java Client Interface
* Description: CUBRID Java Client Interface
* @version 2.0
*/
package cubrid.jdbc.jci;
import java.io.IOException;
import cubrid.jdbc.driver.CUBRIDBlob;
import cubrid.jdbc.driver.CUBRIDClob;
public class UBindParameter extends UParameter {
private final static byte PARAM_MODE_UNKNOWN = 0;
private final static byte PARAM_MODE_IN = 1;
private final static byte PARAM_MODE_OUT = 2;
@SuppressWarnings("unused")
private final static byte PARAM_MODE_INOUT = 3;
byte paramMode[];
private boolean isBinded[];
private byte dbmsType;
UBindParameter(int parameterNumber, byte dbmsType) {
super(parameterNumber);
isBinded = new boolean[number];
this.dbmsType = dbmsType;
paramMode = new byte[number];
clear();
}
/*
* ======================================================================= |
* PACKAGE ACCESS METHODS
* =======================================================================
*/
boolean checkAllBinded() {
for (int i = 0; i < number; i++) {
if (isBinded[i] == false && paramMode[i] == PARAM_MODE_UNKNOWN)
return false;
}
return true;
}
void clear() {
for (int i = 0; i < number; i++) {
isBinded[i] = false;
paramMode[i] = PARAM_MODE_UNKNOWN;
values[i] = null;
types[i] = UUType.U_TYPE_NULL;
}
}
synchronized void close() {
for (int i = 0; i < number; i++)
values[i] = null;
isBinded = null;
paramMode = null;
values = null;
types = null;
}
synchronized void setParameter(int index, byte bType, Object bValue)
throws UJciException {
if (index < 0 || index >= number)
throw new UJciException(UErrorCode.ER_INVALID_ARGUMENT);
types[index] = bType;
values[index] = bValue;
isBinded[index] = true;
paramMode[index] |= PARAM_MODE_IN;
}
void setOutParam(int index, int sqlType) throws UJciException {
if (index < 0 || index >= number)
throw new UJciException(UErrorCode.ER_INVALID_ARGUMENT);
if (dbmsType == UConnection.DBMS_ORACLE
|| dbmsType == UConnection.DBMS_PROXY_ORACLE) {
if (sqlType < UUType.U_TYPE_MIN || sqlType > UUType.U_TYPE_MAX) {
throw new UJciException(UErrorCode.ER_INVALID_ARGUMENT);
}
types[index] = (byte) sqlType;
}
paramMode[index] |= PARAM_MODE_OUT;
}
synchronized void writeParameter(UOutputBuffer outBuffer)
throws UJciException {
try {
for (int i = 0; i < number; i++) {
if (isSetDefaultValue(i) == false && values[i] == null) {
outBuffer.addByte(UUType.U_TYPE_NULL);
outBuffer.addNull();
} else {
outBuffer.addByte((byte) types[i]);
outBuffer.writeParameter(((byte) types[i]), values[i],
isSetDefaultValue(i));
}
}
} catch (IOException e) {
throw new UJciException(UErrorCode.ER_INVALID_ARGUMENT);
}
}
synchronized void flushLobStreams() {
for (int i = 0; i < number; i++) {
if (values[i] == null) {
continue;
} else if (values[i] instanceof CUBRIDBlob) {
((CUBRIDBlob) values[i]).flushFlushableStreams();
} else if (values[i] instanceof CUBRIDClob) {
((CUBRIDClob) values[i]).flushFlushableStreams();
}
}
}
private boolean isSetDefaultValue(int index) {
return (dbmsType == UConnection.DBMS_ORACLE
|| dbmsType == UConnection.DBMS_PROXY_ORACLE)
&& paramMode[index] == PARAM_MODE_OUT;
}
}