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package org.mule.transport.jdbc.xa; |
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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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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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|
52 | 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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|
58 | 0 | protected static final transient Log logger = LogFactory.getLog(ConnectionWrapper.class); |
59 | 0 | private volatile boolean reuseObject = false; |
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|
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public ConnectionWrapper(XAConnection xaCon) throws SQLException |
62 | 0 | { |
63 | 0 | this.xaConnection = xaCon; |
64 | 0 | this.connection = xaCon.getConnection(); |
65 | 0 | } |
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|
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public int getHoldability() throws SQLException |
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{ |
69 | 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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{ |
74 | 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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{ |
79 | 0 | connection.clearWarnings(); |
80 | 0 | } |
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|
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public void close() throws SQLException |
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{ |
84 | 0 | connection.close(); |
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try |
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{ |
87 | 0 | xaConnection.close(); |
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} |
89 | 0 | catch (SQLException e) |
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{ |
91 | 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); |
94 | 0 | } |
95 | 0 | } |
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|
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public void commit() throws SQLException |
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{ |
99 | 0 | connection.commit(); |
100 | 0 | } |
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|
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public void rollback() throws SQLException |
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{ |
104 | 0 | connection.rollback(); |
105 | 0 | } |
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|
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public boolean getAutoCommit() throws SQLException |
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{ |
109 | 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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{ |
114 | 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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{ |
119 | 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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{ |
124 | 0 | connection.setHoldability(holdability); |
125 | 0 | } |
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|
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public void setTransactionIsolation(int level) throws SQLException |
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{ |
129 | 0 | connection.setTransactionIsolation(level); |
130 | 0 | } |
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|
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public void setAutoCommit(boolean autoCommit) throws SQLException |
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{ |
134 | 0 | connection.setAutoCommit(autoCommit); |
135 | 0 | } |
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|
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public void setReadOnly(boolean readOnly) throws SQLException |
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{ |
139 | 0 | connection.setReadOnly(readOnly); |
140 | 0 | } |
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|
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public String getCatalog() throws SQLException |
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{ |
144 | 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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{ |
149 | 0 | connection.setCatalog(catalog); |
150 | 0 | } |
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|
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public DatabaseMetaData getMetaData() throws SQLException |
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{ |
154 | 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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{ |
159 | 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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{ |
164 | 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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{ |
169 | 0 | connection.releaseSavepoint(savepoint); |
170 | 0 | } |
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|
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public void rollback(Savepoint savepoint) throws SQLException |
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{ |
174 | 0 | connection.rollback(); |
175 | 0 | } |
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|
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public Statement createStatement() throws SQLException |
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{ |
179 | 0 | Statement st = connection.createStatement(); |
180 | 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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{ |
186 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency); |
187 | 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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{ |
194 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability); |
195 | 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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{ |
201 | 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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{ |
206 | 0 | connection.setTypeMap(map); |
207 | 0 | } |
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|
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public String nativeSQL(String sql) throws SQLException |
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{ |
211 | 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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{ |
216 | 0 | CallableStatement cs = connection.prepareCall(sql); |
217 | 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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{ |
224 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency); |
225 | 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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{ |
234 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability); |
235 | 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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{ |
241 | 0 | PreparedStatement ps = connection.prepareStatement(sql); |
242 | 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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{ |
248 | 0 | PreparedStatement ps = connection.prepareStatement(sql, autoGeneratedKeys); |
249 | 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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{ |
256 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency); |
257 | 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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{ |
266 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency, |
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resultSetHoldability); |
268 | 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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{ |
274 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnIndexes); |
275 | 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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{ |
281 | 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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{ |
286 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnNames); |
287 | 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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{ |
295 | 0 | connection.setAutoCommit(false); |
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} |
297 | 0 | catch (SQLException e) |
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{ |
299 | 0 | throw new TransactionException(e); |
300 | 0 | } |
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|
302 | 0 | if (isEnlisted()) |
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{ |
304 | 0 | return false; |
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} |
306 | 0 | if (logger.isDebugEnabled()) |
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{ |
308 | 0 | logger.debug("Enlistment request: " + this); |
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} |
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|
311 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
312 | 0 | if (transaction == null) |
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{ |
314 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
316 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
318 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
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|
321 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
323 | 0 | if (!isEnlisted()) |
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{ |
325 | 0 | final XAResource xaResource = getXAResourceFromXATransaction(); |
326 | 0 | boolean wasAbleToEnlist = ((XaTransaction) transaction).enlistResource(xaResource); |
327 | 0 | if (wasAbleToEnlist) |
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{ |
329 | 0 | enlistedXAResource = xaResource; |
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} |
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} |
332 | 0 | } |
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|
334 | 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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{ |
341 | 0 | return xaConnection.getXAResource(); |
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} |
343 | 0 | catch (SQLException e) |
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{ |
345 | 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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{ |
351 | 0 | if (!isEnlisted()) |
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{ |
353 | 0 | return false; |
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} |
355 | 0 | if (logger.isDebugEnabled()) |
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{ |
357 | 0 | logger.debug("Delistment request: " + this); |
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} |
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|
360 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
361 | 0 | if (transaction == null) |
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{ |
363 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
365 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
367 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
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|
370 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
372 | 0 | if (isEnlisted()) |
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{ |
374 | 0 | boolean wasAbleToDelist = ((XaTransaction) transaction).delistResource(enlistedXAResource, |
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XAResource.TMSUCCESS); |
376 | 0 | if (wasAbleToDelist) |
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{ |
378 | 0 | enlistedXAResource = null; |
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} |
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} |
381 | 0 | return !isEnlisted(); |
382 | 0 | } |
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} |
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|
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|
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public boolean isEnlisted() |
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{ |
388 | 0 | synchronized (enlistedXAResourceLock) |
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{ |
390 | 0 | return enlistedXAResource != null; |
391 | 0 | } |
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} |
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|
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public boolean isReuseObject() |
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{ |
396 | 0 | return reuseObject; |
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} |
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|
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public void setReuseObject(boolean reuseObject) |
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{ |
401 | 0 | this.reuseObject = reuseObject; |
402 | 0 | } |
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|
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public Object getTargetObject() |
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{ |
406 | 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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{ |
411 | 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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{ |
416 | 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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{ |
421 | 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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{ |
426 | 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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{ |
431 | 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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{ |
436 | 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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{ |
441 | 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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{ |
446 | 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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{ |
451 | 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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{ |
456 | 0 | connection.setClientInfo(properties); |
457 | 0 | } |
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|
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public void setClientInfo(String name, String value) throws SQLClientInfoException |
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{ |
461 | 0 | connection.setClientInfo(name, value); |
462 | 0 | } |
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|
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public boolean isWrapperFor(Class<?> iface) throws SQLException |
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{ |
466 | 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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{ |
471 | 0 | return connection.unwrap(iface); |
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} |
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} |