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/*
* 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.slice.jdbc;
import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;
/**
* A virtual connection that contains multiple physical connections.
*
* @author Pinaki Poddar
*
*/
public class DistributedConnection implements Connection {
private final List real;
private final Connection master;
public DistributedConnection(List connections) {
if (connections == null || connections.isEmpty())
throw new NullPointerException();
real = connections;
master = connections.get(0);
}
public boolean contains(Connection c) {
return real.contains(c);
}
@Override
public void clearWarnings() throws SQLException {
for (Connection c : real)
c.clearWarnings();
}
@Override
public void close() throws SQLException {
for (Connection c : real)
c.close();
}
@Override
public void commit() throws SQLException {
for (Connection c : real)
c.commit();
}
@Override
public Statement createStatement() throws SQLException {
DistributedStatement ret = new DistributedStatement(this);
for (Connection c : real) {
ret.add(c.createStatement());
}
return ret;
}
@Override
public Statement createStatement(int arg0, int arg1) throws SQLException {
DistributedStatement ret = new DistributedStatement(this);
for (Connection c : real) {
ret.add(c.createStatement(arg0, arg1));
}
return ret;
}
@Override
public Statement createStatement(int arg0, int arg1, int arg2)
throws SQLException {
DistributedStatement ret = new DistributedStatement(this);
for (Connection c : real) {
ret.add(c.createStatement(arg0, arg1, arg2));
}
return ret;
}
@Override
public boolean getAutoCommit() throws SQLException {
return master.getAutoCommit();
}
@Override
public String getCatalog() throws SQLException {
return master.getCatalog();
}
@Override
public int getHoldability() throws SQLException {
return master.getHoldability();
}
@Override
public DatabaseMetaData getMetaData() throws SQLException {
return master.getMetaData();
}
@Override
public int getTransactionIsolation() throws SQLException {
return master.getTransactionIsolation();
}
@Override
public Map> getTypeMap() throws SQLException {
return master.getTypeMap();
}
@Override
public SQLWarning getWarnings() throws SQLException {
return master.getWarnings();
}
@Override
public boolean isClosed() throws SQLException {
boolean ret = true;
for (Connection c : real) {
ret &= c.isClosed();
}
return ret;
}
@Override
public boolean isReadOnly() throws SQLException {
boolean ret = true;
for (Connection c : real) {
ret &= c.isReadOnly();
}
return ret;
}
@Override
public String nativeSQL(String arg0) throws SQLException {
return master.nativeSQL(arg0);
}
@Override
public CallableStatement prepareCall(String arg0) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public CallableStatement prepareCall(String arg0, int arg1, int arg2)
throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public CallableStatement prepareCall(String arg0, int arg1, int arg2,
int arg3) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public PreparedStatement prepareStatement(String arg0) throws SQLException {
// TODO: Big hack
if (arg0.indexOf("OPENJPA_SEQUENCE_TABLE") != -1) {
return master.prepareStatement(arg0);
}
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0));
}
return ret;
}
@Override
public PreparedStatement prepareStatement(String arg0, int arg1)
throws SQLException {
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0, arg1));
}
return ret;
}
@Override
public PreparedStatement prepareStatement(String arg0, int[] arg1)
throws SQLException {
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0, arg1));
}
return ret;
}
@Override
public PreparedStatement prepareStatement(String arg0, String[] arg1)
throws SQLException {
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0, arg1));
}
return ret;
}
@Override
public PreparedStatement prepareStatement(String arg0, int arg1, int arg2)
throws SQLException {
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0, arg1, arg2));
}
return ret;
}
@Override
public PreparedStatement prepareStatement(String arg0, int arg1, int arg2,
int arg3) throws SQLException {
DistributedPreparedStatement ret = new DistributedPreparedStatement(this);
for (Connection c : real) {
ret.add(c.prepareStatement(arg0, arg1, arg2));
}
return ret;
}
@Override
public void releaseSavepoint(Savepoint arg0) throws SQLException {
for (Connection c : real)
c.releaseSavepoint(arg0);
}
@Override
public void rollback() throws SQLException {
for (Connection c : real)
c.rollback();
}
@Override
public void rollback(Savepoint arg0) throws SQLException {
for (Connection c : real)
c.rollback(arg0);
}
@Override
public void setAutoCommit(boolean arg0) throws SQLException {
for (Connection c : real)
c.setAutoCommit(arg0);
}
@Override
public void setCatalog(String arg0) throws SQLException {
for (Connection c : real)
c.setCatalog(arg0);
}
@Override
public void setHoldability(int arg0) throws SQLException {
for (Connection c : real)
c.setHoldability(arg0);
}
@Override
public void setReadOnly(boolean arg0) throws SQLException {
for (Connection c : real)
c.setReadOnly(arg0);
}
@Override
public Savepoint setSavepoint() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Savepoint setSavepoint(String arg0) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setTransactionIsolation(int arg0) throws SQLException {
for (Connection c : real)
c.setTransactionIsolation(arg0);
}
@Override
public void setTypeMap(Map> arg0) throws SQLException {
for (Connection c : real)
c.setTypeMap(arg0);
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public T unwrap(Class iface) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Array createArrayOf(String arg0, Object[] arg1) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Blob createBlob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Clob createClob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public NClob createNClob() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public SQLXML createSQLXML() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Struct createStruct(String arg0, Object[] arg1) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public Properties getClientInfo() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public String getClientInfo(String arg0) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public boolean isValid(int arg0) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setClientInfo(Properties arg0) throws SQLClientInfoException {
throw new UnsupportedOperationException();
}
@Override
public void setClientInfo(String arg0, String arg1)
throws SQLClientInfoException {
throw new UnsupportedOperationException();
}
// Java 7 methods follow
@Override
public void abort(Executor executor) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public int getNetworkTimeout() throws SQLException{
throw new UnsupportedOperationException();
}
@Override
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException{
throw new UnsupportedOperationException();
}
@Override
public String getSchema() throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public void setSchema(String schema)throws SQLException {
throw new UnsupportedOperationException();
}
}
