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package org.mule.transport.jdbc.xa; |
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|
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import org.mule.api.transaction.Transaction; |
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import org.mule.api.transaction.TransactionException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transaction.IllegalTransactionStateException; |
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import org.mule.transaction.TransactionCoordination; |
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import org.mule.transaction.XaTransaction; |
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|
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import java.lang.reflect.Proxy; |
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import java.sql.Array; |
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import java.sql.Blob; |
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import java.sql.CallableStatement; |
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import java.sql.Clob; |
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import java.sql.Connection; |
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import java.sql.DatabaseMetaData; |
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import java.sql.NClob; |
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import java.sql.PreparedStatement; |
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import java.sql.SQLClientInfoException; |
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import java.sql.SQLException; |
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import java.sql.SQLWarning; |
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import java.sql.SQLXML; |
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import java.sql.Savepoint; |
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import java.sql.Statement; |
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import java.sql.Struct; |
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import java.util.Map; |
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import java.util.Properties; |
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|
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import javax.sql.XAConnection; |
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import javax.transaction.xa.XAResource; |
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|
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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|
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|
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|
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public class ConnectionWrapper implements Connection, XaTransaction.MuleXaObject |
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{ |
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private final XAConnection xaConnection; |
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private Connection connection; |
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|
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|
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|
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|
56 | 0 | private final Object enlistedXAResourceLock = new Object(); |
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|
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|
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|
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private XAResource enlistedXAResource; |
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|
62 | 0 | protected static final transient Log logger = LogFactory.getLog(ConnectionWrapper.class); |
63 | 0 | private volatile boolean reuseObject = false; |
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|
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public ConnectionWrapper(XAConnection xaCon) throws SQLException |
66 | 0 | { |
67 | 0 | this.xaConnection = xaCon; |
68 | 0 | this.connection = xaCon.getConnection(); |
69 | 0 | } |
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|
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public int getHoldability() throws SQLException |
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{ |
73 | 0 | return connection.getHoldability(); |
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} |
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|
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public int getTransactionIsolation() throws SQLException |
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{ |
78 | 0 | return connection.getTransactionIsolation(); |
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} |
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|
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public void clearWarnings() throws SQLException |
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{ |
83 | 0 | connection.clearWarnings(); |
84 | 0 | } |
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|
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public void close() throws SQLException |
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{ |
88 | 0 | connection.close(); |
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try |
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{ |
91 | 0 | xaConnection.close(); |
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} |
93 | 0 | catch (SQLException e) |
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{ |
95 | 0 | logger.info( |
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"Exception while explicitely closing the xaConnection (some providers require this). " |
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+ "The exception will be ignored and only logged: " + e.getMessage(), e); |
98 | 0 | } |
99 | 0 | } |
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|
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public void commit() throws SQLException |
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{ |
103 | 0 | connection.commit(); |
104 | 0 | } |
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|
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public void rollback() throws SQLException |
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{ |
108 | 0 | connection.rollback(); |
109 | 0 | } |
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|
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public boolean getAutoCommit() throws SQLException |
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{ |
113 | 0 | return connection.getAutoCommit(); |
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} |
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|
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public boolean isClosed() throws SQLException |
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{ |
118 | 0 | return connection.isClosed(); |
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} |
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|
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public boolean isReadOnly() throws SQLException |
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{ |
123 | 0 | return connection.isReadOnly(); |
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} |
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|
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public void setHoldability(int holdability) throws SQLException |
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{ |
128 | 0 | connection.setHoldability(holdability); |
129 | 0 | } |
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|
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public void setTransactionIsolation(int level) throws SQLException |
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{ |
133 | 0 | connection.setTransactionIsolation(level); |
134 | 0 | } |
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|
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public void setAutoCommit(boolean autoCommit) throws SQLException |
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{ |
138 | 0 | connection.setAutoCommit(autoCommit); |
139 | 0 | } |
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|
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public void setReadOnly(boolean readOnly) throws SQLException |
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{ |
143 | 0 | connection.setReadOnly(readOnly); |
144 | 0 | } |
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|
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public String getCatalog() throws SQLException |
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{ |
148 | 0 | return connection.getCatalog(); |
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} |
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|
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public void setCatalog(String catalog) throws SQLException |
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{ |
153 | 0 | connection.setCatalog(catalog); |
154 | 0 | } |
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|
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public DatabaseMetaData getMetaData() throws SQLException |
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{ |
158 | 0 | return connection.getMetaData(); |
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} |
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|
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public SQLWarning getWarnings() throws SQLException |
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{ |
163 | 0 | return connection.getWarnings(); |
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} |
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|
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public Savepoint setSavepoint() throws SQLException |
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{ |
168 | 0 | return connection.setSavepoint(); |
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} |
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|
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public void releaseSavepoint(Savepoint savepoint) throws SQLException |
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{ |
173 | 0 | connection.releaseSavepoint(savepoint); |
174 | 0 | } |
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|
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public void rollback(Savepoint savepoint) throws SQLException |
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{ |
178 | 0 | connection.rollback(); |
179 | 0 | } |
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|
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public Statement createStatement() throws SQLException |
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{ |
183 | 0 | Statement st = connection.createStatement(); |
184 | 0 | return (Statement) Proxy.newProxyInstance(Statement.class.getClassLoader(), |
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new Class[]{Statement.class}, new StatementInvocationHandler(this, st)); |
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} |
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|
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public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException |
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{ |
190 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency); |
191 | 0 | return (Statement) Proxy.newProxyInstance(Statement.class.getClassLoader(), |
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new Class[]{Statement.class}, new StatementInvocationHandler(this, st)); |
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} |
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|
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public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) |
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throws SQLException |
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{ |
198 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability); |
199 | 0 | return (Statement) Proxy.newProxyInstance(Statement.class.getClassLoader(), |
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new Class[]{Statement.class}, new StatementInvocationHandler(this, st)); |
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} |
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|
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public Map getTypeMap() throws SQLException |
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{ |
205 | 0 | return connection.getTypeMap(); |
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} |
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|
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public void setTypeMap(Map<String, Class<?>> map) throws SQLException |
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{ |
210 | 0 | connection.setTypeMap(map); |
211 | 0 | } |
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|
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public String nativeSQL(String sql) throws SQLException |
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{ |
215 | 0 | return connection.nativeSQL(sql); |
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} |
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|
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public CallableStatement prepareCall(String sql) throws SQLException |
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{ |
220 | 0 | CallableStatement cs = connection.prepareCall(sql); |
221 | 0 | return (CallableStatement) Proxy.newProxyInstance(CallableStatement.class.getClassLoader(), |
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new Class[]{CallableStatement.class}, new StatementInvocationHandler(this, cs)); |
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} |
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|
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public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) |
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throws SQLException |
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{ |
228 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency); |
229 | 0 | return (CallableStatement) Proxy.newProxyInstance(CallableStatement.class.getClassLoader(), |
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new Class[]{CallableStatement.class}, new StatementInvocationHandler(this, cs)); |
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} |
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|
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public CallableStatement prepareCall(String sql, |
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int resultSetType, |
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int resultSetConcurrency, |
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int resultSetHoldability) throws SQLException |
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{ |
238 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability); |
239 | 0 | return (CallableStatement) Proxy.newProxyInstance(CallableStatement.class.getClassLoader(), |
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new Class[]{CallableStatement.class}, new StatementInvocationHandler(this, cs)); |
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} |
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|
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public PreparedStatement prepareStatement(String sql) throws SQLException |
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{ |
245 | 0 | PreparedStatement ps = connection.prepareStatement(sql); |
246 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException |
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{ |
252 | 0 | PreparedStatement ps = connection.prepareStatement(sql, autoGeneratedKeys); |
253 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) |
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throws SQLException |
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{ |
260 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency); |
261 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public PreparedStatement prepareStatement(String sql, |
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int resultSetType, |
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int resultSetConcurrency, |
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int resultSetHoldability) throws SQLException |
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{ |
270 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency, |
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resultSetHoldability); |
272 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException |
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{ |
278 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnIndexes); |
279 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public Savepoint setSavepoint(String name) throws SQLException |
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{ |
285 | 0 | return connection.setSavepoint(name); |
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} |
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|
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public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException |
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{ |
290 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnNames); |
291 | 0 | return (PreparedStatement) Proxy.newProxyInstance(PreparedStatement.class.getClassLoader(), |
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new Class[]{PreparedStatement.class}, new StatementInvocationHandler(this, ps)); |
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} |
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|
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public boolean enlist() throws TransactionException |
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{ |
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try |
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{ |
299 | 0 | connection.setAutoCommit(false); |
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} |
301 | 0 | catch (SQLException e) |
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{ |
303 | 0 | throw new TransactionException(e); |
304 | 0 | } |
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|
306 | 0 | if (isEnlisted()) |
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{ |
308 | 0 | return false; |
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} |
310 | 0 | if (logger.isDebugEnabled()) |
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{ |
312 | 0 | logger.debug("Enlistment request: " + this); |
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} |
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|
315 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
316 | 0 | if (transaction == null) |
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{ |
318 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
320 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
322 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
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|
325 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
327 | 0 | if (!isEnlisted()) |
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{ |
329 | 0 | final XAResource xaResource = getXAResourceFromXATransaction(); |
330 | 0 | boolean wasAbleToEnlist = ((XaTransaction) transaction).enlistResource(xaResource); |
331 | 0 | if (wasAbleToEnlist) |
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{ |
333 | 0 | enlistedXAResource = xaResource; |
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} |
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} |
336 | 0 | } |
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|
338 | 0 | return isEnlisted(); |
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} |
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|
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protected XAResource getXAResourceFromXATransaction() throws TransactionException |
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{ |
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try |
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{ |
345 | 0 | return xaConnection.getXAResource(); |
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} |
347 | 0 | catch (SQLException e) |
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{ |
349 | 0 | throw new TransactionException(e); |
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} |
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} |
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|
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public boolean delist() throws Exception |
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{ |
355 | 0 | if (!isEnlisted()) |
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{ |
357 | 0 | return false; |
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} |
359 | 0 | if (logger.isDebugEnabled()) |
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{ |
361 | 0 | logger.debug("Delistment request: " + this); |
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} |
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|
364 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
365 | 0 | if (transaction == null) |
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{ |
367 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
369 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
371 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
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|
374 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
376 | 0 | if (isEnlisted()) |
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{ |
378 | 0 | boolean wasAbleToDelist = ((XaTransaction) transaction).delistResource(enlistedXAResource, |
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XAResource.TMSUCCESS); |
380 | 0 | if (wasAbleToDelist) |
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{ |
382 | 0 | enlistedXAResource = null; |
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} |
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} |
385 | 0 | return !isEnlisted(); |
386 | 0 | } |
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} |
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|
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|
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public boolean isEnlisted() |
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{ |
392 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
394 | 0 | return enlistedXAResource != null; |
395 | 0 | } |
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} |
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|
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public boolean isReuseObject() |
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{ |
400 | 0 | return reuseObject; |
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} |
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|
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public void setReuseObject(boolean reuseObject) |
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{ |
405 | 0 | this.reuseObject = reuseObject; |
406 | 0 | } |
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|
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public Object getTargetObject() |
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{ |
410 | 0 | return xaConnection; |
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} |
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|
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public Array createArrayOf(String typeName, Object[] elements) throws SQLException |
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{ |
415 | 0 | return connection.createArrayOf(typeName, elements); |
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} |
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|
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public Blob createBlob() throws SQLException |
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{ |
420 | 0 | return connection.createBlob(); |
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} |
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|
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public Clob createClob() throws SQLException |
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{ |
425 | 0 | return connection.createClob(); |
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} |
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|
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public NClob createNClob() throws SQLException |
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{ |
430 | 0 | return connection.createNClob(); |
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} |
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|
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public SQLXML createSQLXML() throws SQLException |
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{ |
435 | 0 | return connection.createSQLXML(); |
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} |
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|
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public Struct createStruct(String typeName, Object[] attributes) throws SQLException |
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{ |
440 | 0 | return connection.createStruct(typeName, attributes); |
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} |
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|
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public Properties getClientInfo() throws SQLException |
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{ |
445 | 0 | return connection.getClientInfo(); |
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} |
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|
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public String getClientInfo(String name) throws SQLException |
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{ |
450 | 0 | return connection.getClientInfo(name); |
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} |
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|
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public boolean isValid(int timeout) throws SQLException |
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{ |
455 | 0 | return connection.isValid(timeout); |
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} |
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|
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public void setClientInfo(Properties properties) throws SQLClientInfoException |
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{ |
460 | 0 | connection.setClientInfo(properties); |
461 | 0 | } |
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|
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public void setClientInfo(String name, String value) throws SQLClientInfoException |
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{ |
465 | 0 | connection.setClientInfo(name, value); |
466 | 0 | } |
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|
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public boolean isWrapperFor(Class<?> iface) throws SQLException |
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{ |
470 | 0 | return connection.isWrapperFor(iface); |
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} |
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|
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public <T> T unwrap(Class<T> iface) throws SQLException |
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{ |
475 | 0 | return connection.unwrap(iface); |
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} |
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} |