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com.atomikos.jdbc.internal.AbstractJdbcConnectionProxy Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2019 Atomikos
*
* LICENSE CONDITIONS
*
* See http://www.atomikos.com/Main/WhichLicenseApplies for details.
*/
package com.atomikos.jdbc.internal;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Savepoint;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.atomikos.logging.Logger;
import com.atomikos.logging.LoggerFactory;
import com.atomikos.util.DynamicProxySupport;
import com.atomikos.util.Proxied;
public abstract class AbstractJdbcConnectionProxy extends DynamicProxySupport {
private static final Logger LOGGER = LoggerFactory.createLogger(AbstractJdbcConnectionProxy.class);
private List statements = new ArrayList();
public AbstractJdbcConnectionProxy(Connection delegate) {
super(delegate);
}
protected synchronized void addStatement(Statement s) {
statements.add(s);
}
protected synchronized void removeStatement(Statement s) {
statements.remove(s);
}
protected abstract void updateTransactionContext() throws SQLException;
protected abstract boolean isEnlistedInGlobalTransaction();
@Proxied
public Statement createStatement() throws SQLException {
updateTransactionContext();
Statement s = delegate.createStatement();
return createProxyStatement(s);
}
private S createProxyStatement(S s) {
AtomikosJdbcStatementProxy ajsp = new AtomikosJdbcStatementProxy<>(this, s);
S proxy = ajsp.createDynamicProxy();
addStatement(s);
return proxy;
}
@Proxied
public PreparedStatement prepareStatement(String sql) throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql);
return createProxyStatement(s);
}
@Proxied
public CallableStatement prepareCall(String sql) throws SQLException {
updateTransactionContext();
CallableStatement s = this.delegate.prepareCall(sql);
return createProxyStatement(s);
}
@Proxied
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
updateTransactionContext();
Statement s = this.delegate.createStatement(resultSetType, resultSetConcurrency);
return createProxyStatement(s);
}
@Proxied
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql, resultSetType, resultSetConcurrency);
return createProxyStatement(s);
}
@Proxied
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
updateTransactionContext();
CallableStatement s = this.delegate.prepareCall(sql, resultSetType, resultSetConcurrency);
return createProxyStatement(s);
}
@Proxied
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
throws SQLException {
updateTransactionContext();
Statement s = this.delegate.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
return createProxyStatement(s);
}
@Proxied
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
return createProxyStatement(s);
}
@Proxied
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
int resultSetHoldability) throws SQLException {
updateTransactionContext();
CallableStatement s = this.delegate.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
return createProxyStatement(s);
}
@Proxied
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql, autoGeneratedKeys);
return createProxyStatement(s);
}
@Proxied
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql, columnIndexes);
return createProxyStatement(s);
}
@Proxied
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
updateTransactionContext();
PreparedStatement s = this.delegate.prepareStatement(sql, columnNames);
return createProxyStatement(s);
}
@Proxied
public void setAutoCommit(boolean autoCommit) throws SQLException {
if (isEnlistedInGlobalTransaction()) {
if (autoCommit) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call 'setAutoCommit(true)' while a global transaction is running");
}
} else {
delegate.setAutoCommit(autoCommit);
}
}
@Proxied
public boolean getAutoCommit() throws SQLException {
if (isEnlistedInGlobalTransaction()) {
return false;
}
return delegate.getAutoCommit();
}
@Proxied
public void commit() throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException
.throwAtomikosSQLException("Cannot call method 'commit' while a global transaction is running");
}
delegate.commit();
}
@Proxied
public void rollback() throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call method '" + "rollback" + "' while a global transaction is running");
}
delegate.rollback();
}
@Proxied
public Savepoint setSavepoint() throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call method '" + "setSavepoint()" + "' while a global transaction is running");
}
return delegate.setSavepoint();
}
@Proxied
public Savepoint setSavepoint(String name) throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call method '" + "setSavepoint(name)" + "' while a global transaction is running");
}
return delegate.setSavepoint(name);
}
@Proxied
public void rollback(Savepoint savepoint) throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call method '" + "rollback(Savepoint)" + "' while a global transaction is running");
}
delegate.rollback(savepoint);
}
@Proxied
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
if (isEnlistedInGlobalTransaction()) {
AtomikosSQLException.throwAtomikosSQLException(
"Cannot call method '" + "releaseSavepoint(savepoint)" + "' while a global transaction is running");
}
delegate.releaseSavepoint(savepoint);
}
@Proxied
public boolean isClosed() throws SQLException {
return closed;
}
@Override
protected void throwInvocationAfterClose(String methodName) throws AtomikosSQLException {
String msg = "Connection was already closed - calling " + methodName + " is no longer allowed!";
AtomikosSQLException.throwAtomikosSQLException(msg);
}
protected synchronized void forceCloseAllPendingStatements(boolean warn) {
Iterator it = statements.iterator();
while (it.hasNext()) {
Statement s = it.next();
try {
String msg = "Forcing close of pending statement: " + s;
if (warn) {
LOGGER.logWarning(msg);
} else {
LOGGER.logTrace(msg);
}
s.close();
} catch (Exception e) {
// ignore but log
LOGGER.logWarning("Error closing pending statement: ", e);
}
// cf case 31275: also remove statement from list!
it.remove();
}
}
}
