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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.CallableStatement; |
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import java.sql.Connection; |
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import java.sql.DatabaseMetaData; |
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import java.sql.PreparedStatement; |
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import java.sql.SQLException; |
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import java.sql.SQLWarning; |
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import java.sql.Savepoint; |
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import java.sql.Statement; |
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import java.util.Map; |
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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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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; |
44 | 0 | private volatile boolean enlisted = false; |
45 | 0 | protected static final transient Log logger = LogFactory.getLog(ConnectionWrapper.class); |
46 | 0 | private volatile boolean reuseObject = false; |
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|
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public ConnectionWrapper(XAConnection xaCon) throws SQLException |
49 | 0 | { |
50 | 0 | this.xaConnection = xaCon; |
51 | 0 | this.connection = xaCon.getConnection(); |
52 | 0 | } |
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|
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public int getHoldability() throws SQLException |
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{ |
56 | 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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{ |
61 | 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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{ |
66 | 0 | connection.clearWarnings(); |
67 | 0 | } |
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|
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public void close() throws SQLException |
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{ |
71 | 0 | connection.close(); |
72 | 0 | } |
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|
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public void commit() throws SQLException |
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{ |
76 | 0 | connection.commit(); |
77 | 0 | } |
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|
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public void rollback() throws SQLException |
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{ |
81 | 0 | connection.rollback(); |
82 | 0 | } |
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|
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public boolean getAutoCommit() throws SQLException |
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{ |
86 | 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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{ |
91 | 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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{ |
96 | 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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{ |
101 | 0 | connection.setHoldability(holdability); |
102 | 0 | } |
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|
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public void setTransactionIsolation(int level) throws SQLException |
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{ |
106 | 0 | connection.setTransactionIsolation(level); |
107 | 0 | } |
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|
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public void setAutoCommit(boolean autoCommit) throws SQLException |
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{ |
111 | 0 | connection.setAutoCommit(autoCommit); |
112 | 0 | } |
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|
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public void setReadOnly(boolean readOnly) throws SQLException |
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{ |
116 | 0 | connection.setReadOnly(readOnly); |
117 | 0 | } |
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|
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public String getCatalog() throws SQLException |
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{ |
121 | 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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{ |
126 | 0 | connection.setCatalog(catalog); |
127 | 0 | } |
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|
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public DatabaseMetaData getMetaData() throws SQLException |
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{ |
131 | 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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{ |
136 | 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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{ |
141 | 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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{ |
146 | 0 | connection.releaseSavepoint(savepoint); |
147 | 0 | } |
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|
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public void rollback(Savepoint savepoint) throws SQLException |
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{ |
151 | 0 | connection.rollback(); |
152 | 0 | } |
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|
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public Statement createStatement() throws SQLException |
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{ |
156 | 0 | Statement st = connection.createStatement(); |
157 | 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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{ |
163 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency); |
164 | 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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{ |
171 | 0 | Statement st = connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability); |
172 | 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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{ |
178 | 0 | return connection.getTypeMap(); |
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} |
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|
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public void setTypeMap(Map map) throws SQLException |
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{ |
183 | 0 | connection.setTypeMap(map); |
184 | 0 | } |
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|
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public String nativeSQL(String sql) throws SQLException |
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{ |
188 | 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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{ |
193 | 0 | CallableStatement cs = connection.prepareCall(sql); |
194 | 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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{ |
201 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency); |
202 | 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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{ |
211 | 0 | CallableStatement cs = connection.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability); |
212 | 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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{ |
218 | 0 | PreparedStatement ps = connection.prepareStatement(sql); |
219 | 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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{ |
225 | 0 | PreparedStatement ps = connection.prepareStatement(sql, autoGeneratedKeys); |
226 | 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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{ |
233 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency); |
234 | 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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{ |
243 | 0 | PreparedStatement ps = connection.prepareStatement(sql, resultSetType, resultSetConcurrency, |
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resultSetHoldability); |
245 | 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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{ |
251 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnIndexes); |
252 | 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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{ |
258 | 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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{ |
263 | 0 | PreparedStatement ps = connection.prepareStatement(sql, columnNames); |
264 | 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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{ |
272 | 0 | connection.setAutoCommit(false); |
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} |
274 | 0 | catch (SQLException e) |
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{ |
276 | 0 | throw new TransactionException(e); |
277 | 0 | } |
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|
279 | 0 | if (isEnlisted()) |
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{ |
281 | 0 | return false; |
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} |
283 | 0 | if (logger.isDebugEnabled()) |
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{ |
285 | 0 | logger.debug("Enlistment request: " + this); |
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} |
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|
288 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
289 | 0 | if (transaction == null) |
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{ |
291 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
293 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
295 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
297 | 0 | if (!isEnlisted()) |
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{ |
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final XAResource xaResource; |
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try |
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{ |
302 | 0 | xaResource = xaConnection.getXAResource(); |
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} |
304 | 0 | catch (SQLException e) |
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{ |
306 | 0 | throw new TransactionException(e); |
307 | 0 | } |
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|
309 | 0 | enlisted = ((XaTransaction) transaction).enlistResource(xaResource); |
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} |
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|
312 | 0 | return enlisted; |
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} |
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|
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public boolean delist() throws Exception |
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{ |
317 | 0 | if (!isEnlisted()) |
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{ |
319 | 0 | return false; |
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} |
321 | 0 | if (logger.isDebugEnabled()) |
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{ |
323 | 0 | logger.debug("Delistment request: " + this); |
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} |
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|
326 | 0 | Transaction transaction = TransactionCoordination.getInstance().getTransaction(); |
327 | 0 | if (transaction == null) |
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{ |
329 | 0 | throw new IllegalTransactionStateException(CoreMessages.noMuleTransactionAvailable()); |
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} |
331 | 0 | if (!(transaction instanceof XaTransaction)) |
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{ |
333 | 0 | throw new IllegalTransactionStateException(CoreMessages.notMuleXaTransaction(transaction)); |
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} |
335 | 0 | if (isEnlisted()) |
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{ |
337 | 0 | enlisted = !((XaTransaction) transaction).delistResource(xaConnection.getXAResource(), XAResource.TMSUCCESS); |
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} |
339 | 0 | return !isEnlisted(); |
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} |
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|
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|
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public boolean isEnlisted() |
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{ |
345 | 0 | return enlisted; |
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} |
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|
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public void setEnlisted(boolean enlisted) |
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{ |
350 | 0 | this.enlisted = enlisted; |
351 | 0 | } |
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|
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public boolean isReuseObject() |
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{ |
355 | 0 | return reuseObject; |
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} |
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|
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public void setReuseObject(boolean reuseObject) |
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{ |
360 | 0 | this.reuseObject = reuseObject; |
361 | 0 | } |
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|
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public Object getTargetObject() |
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{ |
365 | 0 | return xaConnection; |
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} |
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} |