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package com.sun.gjc.spi.base;
import java.sql.*;
import java.math.BigDecimal;
import java.io.InputStream;
import java.io.Reader;
import java.util.Calendar;
import java.net.URL;
/**
* Abstract class for wrapping PreparedStatement<br>
*/
public abstract class PreparedStatementWrapper extends StatementWrapper implements PreparedStatement {
protected PreparedStatement preparedStatement = null;
/**
* Abstract class for wrapping PreparedStatement <br>
* @param con Connection Wrapper <br>
* @param statement PreparedStatement that is to be wrapped.<br>
*/
public PreparedStatementWrapper(Connection con,
PreparedStatement statement) {
super(con, statement);
preparedStatement = statement;
}
/**
* Executes the SQL statement in this <code>PreparedStatement</code> object,
* which must be an SQL <code>INSERT</code>, <code>UPDATE</code> or
* <code>DELETE</code> statement; or an SQL statement that returns nothing,
* such as a DDL statement.
*
* @return either (1) the row count for <code>INSERT</code>, <code>UPDATE</code>,
* or <code>DELETE</code> statements
* or (2) 0 for SQL statements that return nothing
* @throws java.sql.SQLException if a database access error occurs or the SQL
* statement returns a <code>ResultSet</code> object
*/
public int executeUpdate() throws SQLException {
return preparedStatement.executeUpdate();
}
/**
* Sets the designated parameter to SQL <code>NULL</code>.
* <p/>
* <P><B>Note:</B> You must specify the parameter's SQL type.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param sqlType the SQL type code defined in <code>java.sql.Types</code>
* @throws java.sql.SQLException if a database access error occurs
*/
public void setNull(int parameterIndex, int sqlType) throws SQLException {
preparedStatement.setNull(parameterIndex, sqlType);
}
/**
* Sets the designated parameter to the given Java <code>boolean</code> value.
* The driver converts this
* to an SQL <code>BIT</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
preparedStatement.setBoolean(parameterIndex,x);
}
/**
* Sets the designated parameter to the given Java <code>byte</code> value.
* The driver converts this
* to an SQL <code>TINYINT</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setByte(int parameterIndex, byte x) throws SQLException {
preparedStatement.setByte(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>short</code> value.
* The driver converts this
* to an SQL <code>SMALLINT</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setShort(int parameterIndex, short x) throws SQLException {
preparedStatement.setShort(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>int</code> value.
* The driver converts this
* to an SQL <code>INTEGER</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setInt(int parameterIndex, int x) throws SQLException {
preparedStatement.setInt(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>long</code> value.
* The driver converts this
* to an SQL <code>BIGINT</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setLong(int parameterIndex, long x) throws SQLException {
preparedStatement.setLong(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>float</code> value.
* The driver converts this
* to an SQL <code>FLOAT</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setFloat(int parameterIndex, float x) throws SQLException {
preparedStatement.setFloat(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>double</code> value.
* The driver converts this
* to an SQL <code>DOUBLE</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setDouble(int parameterIndex, double x) throws SQLException {
preparedStatement.setDouble(parameterIndex, x);
}
/**
* Sets the designated parameter to the given <code>java.math.BigDecimal</code> value.
* The driver converts this to an SQL <code>NUMERIC</code> value when
* it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
preparedStatement.setBigDecimal(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java <code>String</code> value.
* The driver converts this
* to an SQL <code>VARCHAR</code> or <code>LONGVARCHAR</code> value
* (depending on the argument's
* size relative to the driver's limits on <code>VARCHAR</code> values)
* when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setString(int parameterIndex, String x) throws SQLException {
preparedStatement.setString(parameterIndex, x);
}
/**
* Sets the designated parameter to the given Java array of bytes. The driver converts
* this to an SQL <code>VARBINARY</code> or <code>LONGVARBINARY</code>
* (depending on the argument's size relative to the driver's limits on
* <code>VARBINARY</code> values) when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setBytes(int parameterIndex, byte x[]) throws SQLException {
preparedStatement.setBytes(parameterIndex, x);
}
/**
* Sets the designated parameter to the given <code>java.sql.Date</code> value.
* The driver converts this
* to an SQL <code>DATE</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setDate(int parameterIndex, Date x) throws SQLException {
preparedStatement.setDate(parameterIndex, x);
}
/**
* Sets the designated parameter to the given <code>java.sql.Time</code> value.
* The driver converts this
* to an SQL <code>TIME</code> value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setTime(int parameterIndex, Time x) throws SQLException {
preparedStatement.setTime(parameterIndex, x);
}
/**
* Sets the designated parameter to the given <code>java.sql.Timestamp</code> value.
* The driver
* converts this to an SQL <code>TIMESTAMP</code> value when it sends it to the
* database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws java.sql.SQLException if a database access error occurs
*/
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
preparedStatement.setTimestamp(parameterIndex, x);
}
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large ASCII value is input to a <code>LONGVARCHAR</code>
* parameter, it may be more practical to send it via a
* <code>java.io.InputStream</code>. Data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from ASCII to the database char format.
* <p/>
* <P><B>Note:</B> This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the Java input stream that contains the ASCII parameter value
* @param length the number of bytes in the stream
* @throws java.sql.SQLException if a database access error occurs
*/
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
preparedStatement.setAsciiStream(parameterIndex, x, length);
}
/**
* Sets the designated parameter to the given input stream, which
* will have the specified number of bytes. A Unicode character has
* two bytes, with the first byte being the high byte, and the second
* being the low byte.
* <p/>
* When a very large Unicode value is input to a <code>LONGVARCHAR</code>
* parameter, it may be more practical to send it via a
* <code>java.io.InputStream</code> object. The data will be read from the
* stream as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from Unicode to the database char format.
* <p/>
* <P><B>Note:</B> This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x a <code>java.io.InputStream</code> object that contains the
* Unicode parameter value as two-byte Unicode characters
* @param length the number of bytes in the stream
* @throws java.sql.SQLException if a database access error occurs
* @deprecated
*/
@Deprecated
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
preparedStatement.setUnicodeStream(parameterIndex, x, length);
}
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large binary value is input to a <code>LONGVARBINARY</code>
* parameter, it may be more practical to send it via a
* <code>java.io.InputStream</code> object. The data will be read from the
* stream as needed until end-of-file is reached.
* <p/>
* <P><B>Note:</B> This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the java input stream which contains the binary parameter value
* @param length the number of bytes in the stream
* @throws java.sql.SQLException if a database access error occurs
*/
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
preparedStatement.setBinaryStream(parameterIndex, x, length);
}
/**
* Clears the current parameter values immediately.
* <P>In general, parameter values remain in force for repeated use of a
* statement. Setting a parameter value automatically clears its
* previous value. However, in some cases it is useful to immediately
* release the resources used by the current parameter values; this can
* be done by calling the method <code>clearParameters</code>.
*
* @throws java.sql.SQLException if a database access error occurs
*/
public void clearParameters() throws SQLException {
preparedStatement.clearParameters();
}
/**
* <p>Sets the value of the designated parameter with the given object. The second
* argument must be an object type; for integral values, the
* <code>java.lang</code> equivalent objects should be used.
* <p/>
* <p>The given Java object will be converted to the given targetSqlType
* before being sent to the database.
* <p/>
* If the object has a custom mapping (is of a class implementing the
* interface <code>SQLData</code>),
* the JDBC driver should call the method <code>SQLData.writeSQL</code> to
* write it to the SQL data stream.
* If, on the other hand, the object is of a class implementing
* <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>,
* or <code>Array</code>, the driver should pass it to the database as a
* value of the corresponding SQL type.
* <p/>
* <p>Note that this method may be used to pass database-specific
* abstract data types.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @param targetSqlType the SQL type (as defined in java.sql.Types) to be
* sent to the database. The scale argument may further qualify this type.
* @param scale for java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types,
* this is the number of digits after the decimal point. For all other
* types, this value will be ignored.
* @throws java.sql.SQLException if a database access error occurs
* @see java.sql.Types
*/
public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException {
preparedStatement.setObject(parameterIndex, x, targetSqlType, scale);
}
/**
* Sets the value of the designated parameter with the given object.
* This method is like the method <code>setObject</code>
* above, except that it assumes a scale of zero.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @param targetSqlType the SQL type (as defined in java.sql.Types) to be
* sent to the database
* @throws java.sql.SQLException if a database access error occurs
*/
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
preparedStatement.setObject(parameterIndex, x, targetSqlType);
}
/**
* <p>Sets the value of the designated parameter using the given object.
* The second parameter must be of type <code>Object</code>; therefore, the
* <code>java.lang</code> equivalent objects should be used for built-in types.
* <p/>
* <p>The JDBC specification specifies a standard mapping from
* Java <code>Object</code> types to SQL types. The given argument
* will be converted to the corresponding SQL type before being
* sent to the database.
* <p/>
* <p>Note that this method may be used to pass datatabase-
* specific abstract data types, by using a driver-specific Java
* type.
* <p/>
* If the object is of a class implementing the interface <code>SQLData</code>,
* the JDBC driver should call the method <code>SQLData.writeSQL</code>
* to write it to the SQL data stream.
* If, on the other hand, the object is of a class implementing
* <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>,
* or <code>Array</code>, the driver should pass it to the database as a
* value of the corresponding SQL type.
* <p/>
* This method throws an exception if there is an ambiguity, for example, if the
* object is of a class implementing more than one of the interfaces named above.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @throws java.sql.SQLException if a database access error occurs or the type
* of the given object is ambiguous
*/
public void setObject(int parameterIndex, Object x) throws SQLException {
preparedStatement.setObject(parameterIndex, x);
}
/**
* Executes the SQL statement in this <code>PreparedStatement</code> object,
* which may be any kind of SQL statement.
* Some prepared statements return multiple results; the <code>execute</code>
* method handles these complex statements as well as the simpler
* form of statements handled by the methods <code>executeQuery</code>
* and <code>executeUpdate</code>.
* <p/>
* The <code>execute</code> method returns a <code>boolean</code> to
* indicate the form of the first result. You must call either the method
* <code>getResultSet</code> or <code>getUpdateCount</code>
* to retrieve the result; you must call <code>getMoreResults</code> to
* move to any subsequent result(s).
*
* @return <code>true</code> if the first result is a <code>ResultSet</code>
* object; <code>false</code> if the first result is an update
* count or there is no result
* @throws java.sql.SQLException if a database access error occurs or an argument
* is supplied to this method
* @see java.sql.Statement#execute
* @see java.sql.Statement#getResultSet
* @see java.sql.Statement#getUpdateCount
* @see java.sql.Statement#getMoreResults
*/
public boolean execute() throws SQLException {
return preparedStatement.execute();
}
/**
* Adds a set of parameters to this <code>PreparedStatement</code>
* object's batch of commands.
*
* @throws java.sql.SQLException if a database access error occurs
* @see java.sql.Statement#addBatch
* @since 1.2
*/
public void addBatch() throws SQLException {
preparedStatement.addBatch();
}
/**
* Sets the designated parameter to the given <code>Reader</code>
* object, which is the given number of characters long.
* When a very large UNICODE value is input to a <code>LONGVARCHAR</code>
* parameter, it may be more practical to send it via a
* <code>java.io.Reader</code> object. The data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from UNICODE to the database char format.
* <p/>
* <P><B>Note:</B> This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param reader the <code>java.io.Reader</code> object that contains the
* Unicode data
* @param length the number of characters in the stream
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
preparedStatement.setCharacterStream(parameterIndex, reader, length);
}
/**
* Sets the designated parameter to the given
* <code>REF(<structured-type>)</code> value.
* The driver converts this to an SQL <code>REF</code> value when it
* sends it to the database.
*
* @param i the first parameter is 1, the second is 2, ...
* @param x an SQL <code>REF</code> value
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setRef(int i, Ref x) throws SQLException {
preparedStatement.setRef(i, x);
}
/**
* Sets the designated parameter to the given <code>Blob</code> object.
* The driver converts this to an SQL <code>BLOB</code> value when it
* sends it to the database.
*
* @param i the first parameter is 1, the second is 2, ...
* @param x a <code>Blob</code> object that maps an SQL <code>BLOB</code> value
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setBlob(int i, Blob x) throws SQLException {
preparedStatement.setBlob(i, x);
}
/**
* Sets the designated parameter to the given <code>Clob</code> object.
* The driver converts this to an SQL <code>CLOB</code> value when it
* sends it to the database.
*
* @param i the first parameter is 1, the second is 2, ...
* @param x a <code>Clob</code> object that maps an SQL <code>CLOB</code> value
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setClob(int i, Clob x) throws SQLException {
preparedStatement.setClob(i, x);
}
/**
* Sets the designated parameter to the given <code>Array</code> object.
* The driver converts this to an SQL <code>ARRAY</code> value when it
* sends it to the database.
*
* @param i the first parameter is 1, the second is 2, ...
* @param x an <code>Array</code> object that maps an SQL <code>ARRAY</code> value
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setArray(int i, Array x) throws SQLException {
preparedStatement.setArray(i, x);
}
/**
* Retrieves a <code>ResultSetMetaData</code> object that contains
* information about the columns of the <code>ResultSet</code> object
* that will be returned when this <code>PreparedStatement</code> object
* is executed.
* <p/>
* Because a <code>PreparedStatement</code> object is precompiled, it is
* possible to know about the <code>ResultSet</code> object that it will
* return without having to execute it. Consequently, it is possible
* to invoke the method <code>getMetaData</code> on a
* <code>PreparedStatement</code> object rather than waiting to execute
* it and then invoking the <code>ResultSet.getMetaData</code> method
* on the <code>ResultSet</code> object that is returned.
* <p/>
* <B>NOTE:</B> Using this method may be expensive for some drivers due
* to the lack of underlying DBMS support.
*
* @return the description of a <code>ResultSet</code> object's columns or
* <code>null</code> if the driver cannot return a
* <code>ResultSetMetaData</code> object
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public ResultSetMetaData getMetaData() throws SQLException {
return preparedStatement.getMetaData();
}
/**
* Sets the designated parameter to the given <code>java.sql.Date</code> value,
* using the given <code>Calendar</code> object. The driver uses
* the <code>Calendar</code> object to construct an SQL <code>DATE</code> value,
* which the driver then sends to the database. With
* a <code>Calendar</code> object, the driver can calculate the date
* taking into account a custom timezone. If no
* <code>Calendar</code> object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the <code>Calendar</code> object the driver will use
* to construct the date
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
preparedStatement.setDate(parameterIndex, x, cal);
}
/**
* Sets the designated parameter to the given <code>java.sql.Time</code> value,
* using the given <code>Calendar</code> object. The driver uses
* the <code>Calendar</code> object to construct an SQL <code>TIME</code> value,
* which the driver then sends to the database. With
* a <code>Calendar</code> object, the driver can calculate the time
* taking into account a custom timezone. If no
* <code>Calendar</code> object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the <code>Calendar</code> object the driver will use
* to construct the time
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
preparedStatement.setTime(parameterIndex, x, cal);
}
/**
* Sets the designated parameter to the given <code>java.sql.Timestamp</code> value,
* using the given <code>Calendar</code> object. The driver uses
* the <code>Calendar</code> object to construct an SQL <code>TIMESTAMP</code> value,
* which the driver then sends to the database. With a
* <code>Calendar</code> object, the driver can calculate the timestamp
* taking into account a custom timezone. If no
* <code>Calendar</code> object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the <code>Calendar</code> object the driver will use
* to construct the timestamp
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
preparedStatement.setTimestamp(parameterIndex, x, cal);
}
/**
* Sets the designated parameter to SQL <code>NULL</code>.
* This version of the method <code>setNull</code> should
* be used for user-defined types and REF type parameters. Examples
* of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and
* named array types.
* <p/>
* <P><B>Note:</B> To be portable, applications must give the
* SQL type code and the fully-qualified SQL type name when specifying
* a NULL user-defined or REF parameter. In the case of a user-defined type
* the name is the type name of the parameter itself. For a REF
* parameter, the name is the type name of the referenced type. If
* a JDBC driver does not need the type code or type name information,
* it may ignore it.
* <p/>
* Although it is intended for user-defined and Ref parameters,
* this method may be used to set a null parameter of any JDBC type.
* If the parameter does not have a user-defined or REF type, the given
* typeName is ignored.
*
* @param paramIndex the first parameter is 1, the second is 2, ...
* @param sqlType a value from <code>java.sql.Types</code>
* @param typeName the fully-qualified name of an SQL user-defined type;
* ignored if the parameter is not a user-defined type or REF
* @throws java.sql.SQLException if a database access error occurs
* @since 1.2
*/
public void setNull(int paramIndex, int sqlType, String typeName) throws SQLException {
preparedStatement.setNull(paramIndex, sqlType, typeName);
}
/**
* Sets the designated parameter to the given <code>java.net.URL</code> value.
* The driver converts this to an SQL <code>DATALINK</code> value
* when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the <code>java.net.URL</code> object to be set
* @throws java.sql.SQLException if a database access error occurs
* @since 1.4
*/
public void setURL(int parameterIndex, URL x) throws SQLException {
preparedStatement.setURL(parameterIndex, x);
}
/**
* Retrieves the number, types and properties of this
* <code>PreparedStatement</code> object's parameters.
*
* @return a <code>ParameterMetaData</code> object that contains information
* about the number, types and properties of this
* <code>PreparedStatement</code> object's parameters
* @throws java.sql.SQLException if a database access error occurs
* @see java.sql.ParameterMetaData
* @since 1.4
*/
public ParameterMetaData getParameterMetaData() throws SQLException {
return preparedStatement.getParameterMetaData();
}
}
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