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org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.lib.jdbc;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import org.apache.openjpa.lib.util.Closeable;
/**
* Wrapper around an existing statement. Subclasses can override the
* methods whose behavior they mean to change. The equals and
* hashCode methods pass through to the base underlying data
* store statement.
*
* @author Abe White
*/
public class DelegatingPreparedStatement
implements PreparedStatement, Closeable {
private /*final*/ PreparedStatement _stmnt;
private /*final*/ DelegatingPreparedStatement _del;
private /*final*/ Connection _conn;
public DelegatingPreparedStatement(PreparedStatement stmnt, Connection conn) {
initialize(stmnt, conn);
}
public void initialize(PreparedStatement stmnt, Connection conn) {
_conn = conn;
_stmnt = stmnt;
if (_stmnt instanceof DelegatingPreparedStatement)
_del = (DelegatingPreparedStatement) _stmnt;
else
_del = null;
}
protected ResultSet wrapResult(ResultSet rs, boolean wrap) {
if (!wrap || rs == null)
return rs;
return new DelegatingResultSet(rs, this);
}
/**
* Return the wrapped statement.
*/
public PreparedStatement getDelegate() {
return _stmnt;
}
/**
* Return the base underlying data store statement.
*/
public PreparedStatement getInnermostDelegate() {
return (_del == null) ? _stmnt : _del.getInnermostDelegate();
}
@Override
public int hashCode() {
return getInnermostDelegate().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == this)
return true;
if (other instanceof DelegatingPreparedStatement)
other = ((DelegatingPreparedStatement) other).
getInnermostDelegate();
return getInnermostDelegate().equals(other);
}
@Override
public String toString() {
StringBuffer buf = new StringBuffer("prepstmnt ").append(hashCode());
appendInfo(buf);
return buf.toString();
}
protected void appendInfo(StringBuffer buf) {
if (_del != null)
_del.appendInfo(buf);
}
@Override
public ResultSet executeQuery(String str) throws SQLException {
return executeQuery(str, true);
}
/**
* Execute the query, with the option of not wrapping it in a
* {@link DelegatingResultSet}, which is the default.
*/
protected ResultSet executeQuery(String sql, boolean wrap)
throws SQLException {
ResultSet rs;
if (_del != null)
rs = _del.executeQuery(sql, false);
else
rs = _stmnt.executeQuery(sql);
return wrapResult(rs, wrap);
}
@Override
public int executeUpdate(String str) throws SQLException {
return _stmnt.executeUpdate(str);
}
@Override
public boolean execute(String str) throws SQLException {
return _stmnt.execute(str);
}
@Override
public void close() throws SQLException {
_stmnt.close();
}
@Override
public int getMaxFieldSize() throws SQLException {
return _stmnt.getMaxFieldSize();
}
@Override
public void setMaxFieldSize(int i) throws SQLException {
_stmnt.setMaxFieldSize(i);
}
@Override
public int getMaxRows() throws SQLException {
return _stmnt.getMaxRows();
}
@Override
public void setMaxRows(int i) throws SQLException {
_stmnt.setMaxRows(i);
}
@Override
public void setEscapeProcessing(boolean bool) throws SQLException {
_stmnt.setEscapeProcessing(bool);
}
@Override
public int getQueryTimeout() throws SQLException {
return _stmnt.getQueryTimeout();
}
@Override
public void setQueryTimeout(int i) throws SQLException {
_stmnt.setQueryTimeout(i);
}
@Override
public void cancel() throws SQLException {
_stmnt.cancel();
}
@Override
public SQLWarning getWarnings() throws SQLException {
return _stmnt.getWarnings();
}
@Override
public void clearWarnings() throws SQLException {
_stmnt.clearWarnings();
}
@Override
public void setCursorName(String str) throws SQLException {
_stmnt.setCursorName(str);
}
@Override
public ResultSet getResultSet() throws SQLException {
return getResultSet(true);
}
/**
* Get the last result set, with the option of not wrapping it in a
* {@link DelegatingResultSet}, which is the default.
*/
protected ResultSet getResultSet(boolean wrap) throws SQLException {
ResultSet rs;
if (_del != null)
rs = _del.getResultSet(false);
else
rs = _stmnt.getResultSet();
return wrapResult(rs, wrap);
}
@Override
public int getUpdateCount() throws SQLException {
return _stmnt.getUpdateCount();
}
@Override
public boolean getMoreResults() throws SQLException {
return _stmnt.getMoreResults();
}
@Override
public void setFetchDirection(int i) throws SQLException {
_stmnt.setFetchDirection(i);
}
@Override
public int getFetchDirection() throws SQLException {
return _stmnt.getFetchDirection();
}
@Override
public void setFetchSize(int i) throws SQLException {
_stmnt.setFetchSize(i);
}
@Override
public int getFetchSize() throws SQLException {
return _stmnt.getFetchSize();
}
@Override
public int getResultSetConcurrency() throws SQLException {
return _stmnt.getResultSetConcurrency();
}
@Override
public int getResultSetType() throws SQLException {
return _stmnt.getResultSetType();
}
@Override
public void addBatch(String str) throws SQLException {
_stmnt.addBatch(str);
}
@Override
public void clearBatch() throws SQLException {
_stmnt.clearBatch();
}
@Override
public int[] executeBatch() throws SQLException {
return _stmnt.executeBatch();
}
@Override
public Connection getConnection() throws SQLException {
return _conn;
}
@Override
public ResultSet executeQuery() throws SQLException {
return executeQuery(true);
}
/**
* Execute the query, with the option of not wrapping it in a
* {@link DelegatingResultSet}, which is the default.
*/
protected ResultSet executeQuery(boolean wrap) throws SQLException {
ResultSet rs;
if (_del != null)
rs = _del.executeQuery(false);
else
rs = _stmnt.executeQuery();
return wrapResult(rs, wrap);
}
@Override
public int executeUpdate() throws SQLException {
return _stmnt.executeUpdate();
}
@Override
public void setNull(int i1, int i2) throws SQLException {
_stmnt.setNull(i1, i2);
}
@Override
public void setBoolean(int i, boolean b) throws SQLException {
_stmnt.setBoolean(i, b);
}
@Override
public void setByte(int i, byte b) throws SQLException {
_stmnt.setByte(i, b);
}
@Override
public void setShort(int i, short s) throws SQLException {
_stmnt.setShort(i, s);
}
@Override
public void setInt(int i1, int i2) throws SQLException {
_stmnt.setInt(i1, i2);
}
@Override
public void setLong(int i, long l) throws SQLException {
_stmnt.setLong(i, l);
}
@Override
public void setFloat(int i, float f) throws SQLException {
_stmnt.setFloat(i, f);
}
@Override
public void setDouble(int i, double d) throws SQLException {
_stmnt.setDouble(i, d);
}
@Override
public void setBigDecimal(int i, BigDecimal bd) throws SQLException {
_stmnt.setBigDecimal(i, bd);
}
@Override
public void setString(int i, String s) throws SQLException {
_stmnt.setString(i, s);
}
@Override
public void setBytes(int i, byte[] b) throws SQLException {
_stmnt.setBytes(i, b);
}
@Override
public void setDate(int i, Date d) throws SQLException {
_stmnt.setDate(i, d);
}
@Override
public void setTime(int i, Time t) throws SQLException {
_stmnt.setTime(i, t);
}
@Override
public void setTimestamp(int i, Timestamp t) throws SQLException {
_stmnt.setTimestamp(i, t);
}
@Override
public void setAsciiStream(int i1, InputStream is, int i2)
throws SQLException {
_stmnt.setAsciiStream(i1, is, i2);
}
/**
* @deprecated
*/
@Deprecated
@Override
public void setUnicodeStream(int i1, InputStream is, int i2)
throws SQLException {
_stmnt.setUnicodeStream(i1, is, i2);
}
@Override
public void setBinaryStream(int i1, InputStream is, int i2)
throws SQLException {
_stmnt.setBinaryStream(i1, is, i2);
}
@Override
public void clearParameters() throws SQLException {
_stmnt.clearParameters();
}
@Override
public void setObject(int i1, Object o, int i2, int i3)
throws SQLException {
_stmnt.setObject(i1, o, i2, i3);
}
@Override
public void setObject(int i1, Object o, int i2) throws SQLException {
_stmnt.setObject(i1, o, i2);
}
@Override
public void setObject(int i, Object o) throws SQLException {
_stmnt.setObject(i, o);
}
@Override
public boolean execute() throws SQLException {
return _stmnt.execute();
}
@Override
public void addBatch() throws SQLException {
_stmnt.addBatch();
}
@Override
public void setCharacterStream(int i1, Reader r, int i2)
throws SQLException {
_stmnt.setCharacterStream(i1, r, i2);
}
@Override
public void setRef(int i, Ref r) throws SQLException {
_stmnt.setRef(i, r);
}
@Override
public void setBlob(int i, Blob b) throws SQLException {
_stmnt.setBlob(i, b);
}
@Override
public void setClob(int i, Clob c) throws SQLException {
_stmnt.setClob(i, c);
}
@Override
public void setArray(int i, Array a) throws SQLException {
_stmnt.setArray(i, a);
}
@Override
public ResultSetMetaData getMetaData() throws SQLException {
return _stmnt.getMetaData();
}
@Override
public void setDate(int i, Date d, Calendar c) throws SQLException {
_stmnt.setDate(i, d, c);
}
@Override
public void setTime(int i, Time t, Calendar c) throws SQLException {
_stmnt.setTime(i, t, c);
}
@Override
public void setTimestamp(int i, Timestamp t, Calendar c)
throws SQLException {
_stmnt.setTimestamp(i, t, c);
}
@Override
public void setNull(int i1, int i2, String s) throws SQLException {
_stmnt.setNull(i1, i2, s);
}
// JDBC 3 methods follow.
@Override
public boolean getMoreResults(int i) throws SQLException {
return _stmnt.getMoreResults(i);
}
@Override
public ResultSet getGeneratedKeys() throws SQLException {
return _stmnt.getGeneratedKeys();
}
@Override
public int executeUpdate(String s, int i) throws SQLException {
return _stmnt.executeUpdate(s, i);
}
@Override
public int executeUpdate(String s, int[] ia) throws SQLException {
return _stmnt.executeUpdate(s, ia);
}
@Override
public int executeUpdate(String s, String[] sa) throws SQLException {
return _stmnt.executeUpdate(s, sa);
}
@Override
public boolean execute(String s, int i) throws SQLException {
return _stmnt.execute(s, i);
}
@Override
public boolean execute(String s, int[] ia) throws SQLException {
return _stmnt.execute(s, ia);
}
@Override
public boolean execute(String s, String[] sa) throws SQLException {
return _stmnt.execute(s, sa);
}
@Override
public int getResultSetHoldability() throws SQLException {
return _stmnt.getResultSetHoldability();
}
@Override
public void setURL(int i, URL url) throws SQLException {
_stmnt.setURL(i, url);
}
@Override
public ParameterMetaData getParameterMetaData() throws SQLException {
return _stmnt.getParameterMetaData();
}
// JDBC 4 methods follow.
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return iface.isAssignableFrom(getDelegate().getClass());
}
@Override
public T unwrap(Class iface) throws SQLException {
if (isWrapperFor(iface))
return (T) getDelegate();
else
return null;
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
_stmnt.setAsciiStream(parameterIndex, x, length);
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
_stmnt.setAsciiStream(parameterIndex, x);
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
_stmnt.setBinaryStream(parameterIndex, x, length);
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
_stmnt.setBinaryStream(parameterIndex, x);
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
_stmnt.setBlob(parameterIndex, inputStream, length);
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
_stmnt.setBlob(parameterIndex, inputStream);
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
_stmnt.setCharacterStream(parameterIndex, reader, length);
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
_stmnt.setCharacterStream(parameterIndex, reader);
}
@Override
public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
_stmnt.setClob(parameterIndex, reader, length);
}
@Override
public void setClob(int parameterIndex, Reader reader) throws SQLException {
_stmnt.setClob(parameterIndex, reader);
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
_stmnt.setNCharacterStream(parameterIndex, value, length);
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
_stmnt.setNCharacterStream(parameterIndex, value);
}
@Override
public void setNClob(int parameterIndex, NClob value) throws SQLException {
_stmnt.setNClob(parameterIndex, value);
}
@Override
public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
_stmnt.setNClob(parameterIndex, reader, length);
}
@Override
public void setNClob(int parameterIndex, Reader reader) throws SQLException {
_stmnt.setNClob(parameterIndex, reader);
}
@Override
public void setNString(int parameterIndex, String value) throws SQLException {
_stmnt.setNString(parameterIndex, value);
}
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException {
_stmnt.setRowId(parameterIndex, x);
}
@Override
public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
_stmnt.setSQLXML(parameterIndex, xmlObject);
}
@Override
public boolean isClosed() throws SQLException {
return _stmnt.isClosed();
}
@Override
public boolean isPoolable() throws SQLException {
return _stmnt.isPoolable();
}
@Override
public void setPoolable(boolean poolable) throws SQLException {
_stmnt.setPoolable(poolable);
}
// Java 7 methods follow
@Override
public boolean isCloseOnCompletion() throws SQLException{
return _stmnt.isCloseOnCompletion();
}
@Override
public void closeOnCompletion() throws SQLException{
_stmnt.closeOnCompletion();
}
}
