org.mariadb.jdbc.Connection Maven / Gradle / Ivy
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (c) 2012-2014 Monty Program Ab
// Copyright (c) 2015-2021 MariaDB Corporation Ab
package org.mariadb.jdbc;
import java.sql.*;
import java.util.*;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.ReentrantLock;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.sql.ConnectionEvent;
import org.mariadb.jdbc.client.Client;
import org.mariadb.jdbc.client.Context;
import org.mariadb.jdbc.client.impl.StandardClient;
import org.mariadb.jdbc.export.ExceptionFactory;
import org.mariadb.jdbc.message.client.ChangeDbPacket;
import org.mariadb.jdbc.message.client.PingPacket;
import org.mariadb.jdbc.message.client.QueryPacket;
import org.mariadb.jdbc.message.client.ResetPacket;
import org.mariadb.jdbc.util.NativeSql;
import org.mariadb.jdbc.util.constants.Capabilities;
import org.mariadb.jdbc.util.constants.ConnectionState;
import org.mariadb.jdbc.util.constants.ServerStatus;
/** Public Connection class */
public class Connection implements java.sql.Connection {
private static final Pattern CALLABLE_STATEMENT_PATTERN =
Pattern.compile(
"^(\\s*\\{)?\\s*((\\?\\s*=)?(\\s*/\\*([^*]|\\*[^/])*\\*/)*\\s*"
+ "call(\\s*/\\*([^*]|\\*[^/])*\\*/)*\\s*((((`[^`]+`)|([^`}]+))\\.)?"
+ "((`[^`]+`)|([^`}(]+)))\\s*(\\(.*\\))?(\\s*/\\*([^*]|\\*[^/])*\\*/)*"
+ "\\s*(#.*)?)\\s*(}\\s*)?$",
Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
private final ReentrantLock lock;
private final Configuration conf;
private ExceptionFactory exceptionFactory;
private final Client client;
private final Properties clientInfo = new Properties();
private int lowercaseTableNames = -1;
private final AtomicInteger savepointId = new AtomicInteger();
private boolean readOnly;
private final boolean canUseServerTimeout;
private final boolean canCachePrepStmts;
private final boolean canUseServerMaxRows;
private final int defaultFetchSize;
private final boolean forceTransactionEnd;
private MariaDbPoolConnection poolConnection;
/**
* Connection construction.
*
* @param conf configuration
* @param lock thread safe locker
* @param client client object
*/
public Connection(Configuration conf, ReentrantLock lock, Client client) {
this.conf = conf;
this.forceTransactionEnd =
Boolean.parseBoolean(conf.nonMappedOptions().getProperty("forceTransactionEnd", "false"));
this.lock = lock;
this.exceptionFactory = client.getExceptionFactory().setConnection(this);
this.client = client;
Context context = this.client.getContext();
this.canUseServerTimeout =
context.getVersion().isMariaDBServer()
&& context.getVersion().versionGreaterOrEqual(10, 1, 2);
this.canUseServerMaxRows =
context.getVersion().isMariaDBServer()
&& context.getVersion().versionGreaterOrEqual(10, 3, 0);
this.canCachePrepStmts = context.getConf().cachePrepStmts();
this.defaultFetchSize = context.getConf().defaultFetchSize();
}
/**
* Internal method. Indicate that connection is created from internal pool
*
* @param poolConnection PoolConnection
*/
public void setPoolConnection(MariaDbPoolConnection poolConnection) {
this.poolConnection = poolConnection;
this.exceptionFactory = exceptionFactory.setPoolConnection(poolConnection);
}
/**
* Cancels the current query - clones the current protocol and executes a query using the new
* connection.
*
* @throws SQLException never thrown
*/
public void cancelCurrentQuery() throws SQLException {
try (Client cli =
new StandardClient(conf, client.getHostAddress(), new ReentrantLock(), true)) {
cli.execute(new QueryPacket("KILL QUERY " + client.getContext().getThreadId()), false);
}
}
@Override
public Statement createStatement() {
return new Statement(
this,
lock,
canUseServerTimeout,
canUseServerMaxRows,
Statement.RETURN_GENERATED_KEYS,
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_READ_ONLY,
defaultFetchSize);
}
@Override
public PreparedStatement prepareStatement(String sql) throws SQLException {
return prepareInternal(
sql,
Statement.NO_GENERATED_KEYS,
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_READ_ONLY,
conf.useServerPrepStmts());
}
/**
* Prepare statement creation
*
* @param sql sql
* @param autoGeneratedKeys auto generated key required
* @param resultSetType result-set type
* @param resultSetConcurrency concurrency
* @param useBinary use server prepare statement
* @return prepared statement
* @throws SQLException if Prepare fails
*/
public PreparedStatement prepareInternal(
String sql,
int autoGeneratedKeys,
int resultSetType,
int resultSetConcurrency,
boolean useBinary)
throws SQLException {
checkNotClosed();
if (useBinary) {
try {
return new ServerPreparedStatement(
NativeSql.parse(sql, client.getContext()),
this,
lock,
canUseServerTimeout,
canUseServerMaxRows,
canCachePrepStmts,
autoGeneratedKeys,
resultSetType,
resultSetConcurrency,
defaultFetchSize);
} catch (SQLException e) {
// failover to client
}
}
return new ClientPreparedStatement(
NativeSql.parse(sql, client.getContext()),
this,
lock,
canUseServerTimeout,
canUseServerMaxRows,
autoGeneratedKeys,
resultSetType,
resultSetConcurrency,
defaultFetchSize);
}
@Override
public CallableStatement prepareCall(String sql) throws SQLException {
return prepareCall(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
}
@Override
public String nativeSQL(String sql) throws SQLException {
return NativeSql.parse(sql, client.getContext());
}
@Override
public boolean getAutoCommit() {
return (client.getContext().getServerStatus() & ServerStatus.AUTOCOMMIT) > 0;
}
@Override
public void setAutoCommit(boolean autoCommit) throws SQLException {
if (autoCommit == getAutoCommit()) {
return;
}
lock.lock();
try {
getContext().addStateFlag(ConnectionState.STATE_AUTOCOMMIT);
client.execute(
new QueryPacket(((autoCommit) ? "set autocommit=1" : "set autocommit=0")), true);
} finally {
lock.unlock();
}
}
@Override
public void commit() throws SQLException {
lock.lock();
try {
if (forceTransactionEnd
|| (client.getContext().getServerStatus() & ServerStatus.IN_TRANSACTION) > 0) {
client.execute(new QueryPacket("COMMIT"), false);
}
} finally {
lock.unlock();
}
}
@Override
public void rollback() throws SQLException {
lock.lock();
try {
if (forceTransactionEnd
|| (client.getContext().getServerStatus() & ServerStatus.IN_TRANSACTION) > 0) {
client.execute(new QueryPacket("ROLLBACK"), true);
}
} finally {
lock.unlock();
}
}
@Override
public void close() throws SQLException {
if (poolConnection != null) {
poolConnection.fireConnectionClosed(new ConnectionEvent(poolConnection));
return;
}
client.close();
}
@Override
public boolean isClosed() {
return client.isClosed();
}
/**
* Connection context.
*
* @return connection context.
*/
public Context getContext() {
return client.getContext();
}
/**
* Are table case-sensitive or not . Default Value: 0 (Unix), 1 (Windows), 2 (Mac OS X). If set to
* 0 (the default on Unix-based systems), table names and aliases and database names are compared
* in a case-sensitive manner. If set to 1 (the default on Windows), names are stored in lowercase
* and not compared in a case-sensitive manner. If set to 2 (the default on Mac OS X), names are
* stored as declared, but compared in lowercase.
*
* @return int value.
* @throws SQLException if a connection error occur
*/
public int getLowercaseTableNames() throws SQLException {
if (lowercaseTableNames == -1) {
try (java.sql.Statement st = createStatement()) {
try (ResultSet rs = st.executeQuery("select @@lower_case_table_names")) {
rs.next();
lowercaseTableNames = rs.getInt(1);
}
}
}
return lowercaseTableNames;
}
@Override
public DatabaseMetaData getMetaData() {
return new DatabaseMetaData(this, this.conf);
}
@Override
public boolean isReadOnly() {
return this.readOnly;
}
@Override
public void setReadOnly(boolean readOnly) throws SQLException {
lock.lock();
try {
if (this.readOnly != readOnly) {
client.setReadOnly(readOnly);
}
this.readOnly = readOnly;
getContext().addStateFlag(ConnectionState.STATE_READ_ONLY);
} finally {
lock.unlock();
}
}
@Override
public String getCatalog() throws SQLException {
if (client.getContext().hasClientCapability(Capabilities.CLIENT_SESSION_TRACK)) {
return client.getContext().getDatabase();
}
Statement stmt = createStatement();
ResultSet rs = stmt.executeQuery("select database()");
rs.next();
client.getContext().setDatabase(rs.getString(1));
return client.getContext().getDatabase();
}
@Override
public void setCatalog(String catalog) throws SQLException {
// null catalog means keep current.
// there is no possibility to set no database when one is selected
if (catalog == null
|| (client.getContext().hasClientCapability(Capabilities.CLIENT_SESSION_TRACK)
&& catalog.equals(client.getContext().getDatabase()))) {
return;
}
lock.lock();
try {
getContext().addStateFlag(ConnectionState.STATE_DATABASE);
client.execute(new ChangeDbPacket(catalog), true);
client.getContext().setDatabase(catalog);
} finally {
lock.unlock();
}
}
@Override
public int getTransactionIsolation() throws SQLException {
String sql = "SELECT @@tx_isolation";
if (!client.getContext().getVersion().isMariaDBServer()) {
if ((client.getContext().getVersion().getMajorVersion() >= 8
&& client.getContext().getVersion().versionGreaterOrEqual(8, 0, 3))
|| (client.getContext().getVersion().getMajorVersion() < 8
&& client.getContext().getVersion().versionGreaterOrEqual(5, 7, 20))) {
sql = "SELECT @@transaction_isolation";
}
}
ResultSet rs = createStatement().executeQuery(sql);
if (rs.next()) {
final String response = rs.getString(1);
switch (response) {
case "REPEATABLE-READ":
return java.sql.Connection.TRANSACTION_REPEATABLE_READ;
case "READ-UNCOMMITTED":
return java.sql.Connection.TRANSACTION_READ_UNCOMMITTED;
case "READ-COMMITTED":
return java.sql.Connection.TRANSACTION_READ_COMMITTED;
case "SERIALIZABLE":
return java.sql.Connection.TRANSACTION_SERIALIZABLE;
default:
throw exceptionFactory.create(
String.format(
"Could not get transaction isolation level: Invalid value \"%s\"", response));
}
}
throw exceptionFactory.create("Failed to retrieve transaction isolation");
}
@Override
public void setTransactionIsolation(int level) throws SQLException {
String query = "SET SESSION TRANSACTION ISOLATION LEVEL";
switch (level) {
case java.sql.Connection.TRANSACTION_READ_UNCOMMITTED:
query += " READ UNCOMMITTED";
break;
case java.sql.Connection.TRANSACTION_READ_COMMITTED:
query += " READ COMMITTED";
break;
case java.sql.Connection.TRANSACTION_REPEATABLE_READ:
query += " REPEATABLE READ";
break;
case java.sql.Connection.TRANSACTION_SERIALIZABLE:
query += " SERIALIZABLE";
break;
default:
throw new SQLException("Unsupported transaction isolation level");
}
lock.lock();
try {
checkNotClosed();
getContext().addStateFlag(ConnectionState.STATE_TRANSACTION_ISOLATION);
client.getContext().setTransactionIsolationLevel(level);
client.execute(new QueryPacket(query), true);
} finally {
lock.unlock();
}
}
@Override
public SQLWarning getWarnings() throws SQLException {
checkNotClosed();
if (client.getContext().getWarning() == 0) {
return null;
}
SQLWarning last = null;
SQLWarning first = null;
try (Statement st = this.createStatement()) {
try (ResultSet rs = st.executeQuery("show warnings")) {
// returned result set has 'level', 'code' and 'message' columns, in this order.
while (rs.next()) {
int code = rs.getInt(2);
String message = rs.getString(3);
SQLWarning warning = new SQLWarning(message, null, code);
if (first == null) {
first = warning;
} else {
last.setNextWarning(warning);
}
last = warning;
}
}
}
return first;
}
@Override
public void clearWarnings() {
client.getContext().setWarning(0);
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency)
throws SQLException {
checkNotClosed();
return new Statement(
this,
lock,
canUseServerTimeout,
canUseServerMaxRows,
Statement.RETURN_GENERATED_KEYS,
resultSetType,
resultSetConcurrency,
defaultFetchSize);
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
throws SQLException {
return prepareInternal(
sql,
Statement.RETURN_GENERATED_KEYS,
resultSetType,
resultSetConcurrency,
conf.useServerPrepStmts());
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency)
throws SQLException {
checkNotClosed();
Matcher matcher = CALLABLE_STATEMENT_PATTERN.matcher(sql);
if (!matcher.matches()) {
throw new SQLSyntaxErrorException(
"invalid callable syntax. must be like {[?=]call [(?,?, ...)]}\n but was : "
+ sql);
}
String query = NativeSql.parse(matcher.group(2), client.getContext());
boolean isFunction = (matcher.group(3) != null);
String databaseAndProcedure = matcher.group(8);
String database = matcher.group(10);
String procedureName = matcher.group(13);
String arguments = matcher.group(16);
if (database == null) {
database = getCatalog();
}
if (isFunction) {
return new FunctionStatement(
this,
database,
databaseAndProcedure,
(arguments == null) ? "()" : arguments,
lock,
canUseServerTimeout,
canUseServerMaxRows,
canCachePrepStmts,
resultSetType,
resultSetConcurrency);
} else {
return new ProcedureStatement(
this,
query,
database,
procedureName,
lock,
canUseServerTimeout,
canUseServerMaxRows,
canCachePrepStmts,
resultSetType,
resultSetConcurrency);
}
}
@Override
public Map> getTypeMap() {
return new HashMap<>();
}
@Override
public void setTypeMap(Map> map) throws SQLException {
throw exceptionFactory.notSupported("TypeMap are not supported");
}
@Override
public int getHoldability() {
return ResultSet.HOLD_CURSORS_OVER_COMMIT;
}
@Override
public void setHoldability(int holdability) {
// not supported
}
@Override
public Savepoint setSavepoint() throws SQLException {
MariaDbSavepoint savepoint = new MariaDbSavepoint(savepointId.incrementAndGet());
client.execute(new QueryPacket("SAVEPOINT `" + savepoint.rawValue() + "`"), true);
return savepoint;
}
@Override
public Savepoint setSavepoint(String name) throws SQLException {
MariaDbSavepoint savepoint = new MariaDbSavepoint(name.replace("`", "``"));
client.execute(new QueryPacket("SAVEPOINT `" + savepoint.rawValue() + "`"), true);
return savepoint;
}
@Override
public void rollback(java.sql.Savepoint savepoint) throws SQLException {
checkNotClosed();
lock.lock();
try {
if ((client.getContext().getServerStatus() & ServerStatus.IN_TRANSACTION) > 0) {
if (savepoint instanceof Connection.MariaDbSavepoint) {
client.execute(
new QueryPacket(
"ROLLBACK TO SAVEPOINT `"
+ ((Connection.MariaDbSavepoint) savepoint).rawValue()
+ "`"),
true);
} else {
throw exceptionFactory.create("Unknown savepoint type");
}
}
} finally {
lock.unlock();
}
}
@Override
public void releaseSavepoint(java.sql.Savepoint savepoint) throws SQLException {
checkNotClosed();
lock.lock();
try {
if ((client.getContext().getServerStatus() & ServerStatus.IN_TRANSACTION) > 0) {
if (savepoint instanceof Connection.MariaDbSavepoint) {
client.execute(
new QueryPacket(
"RELEASE SAVEPOINT `"
+ ((Connection.MariaDbSavepoint) savepoint).rawValue()
+ "`"),
true);
} else {
throw exceptionFactory.create("Unknown savepoint type");
}
}
} finally {
lock.unlock();
}
}
@Override
public Statement createStatement(
int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
checkNotClosed();
return new Statement(
this,
lock,
canUseServerTimeout,
canUseServerMaxRows,
Statement.NO_GENERATED_KEYS,
resultSetType,
resultSetConcurrency,
defaultFetchSize);
}
@Override
public PreparedStatement prepareStatement(
String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
throws SQLException {
return prepareStatement(sql, resultSetType, resultSetConcurrency);
}
@Override
public CallableStatement prepareCall(
String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
throws SQLException {
return prepareCall(sql, resultSetType, resultSetConcurrency);
}
@Override
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
return prepareInternal(
sql,
autoGeneratedKeys,
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_READ_ONLY,
conf.useServerPrepStmts());
}
@Override
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
return prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
}
@Override
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
return prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
}
@Override
public Clob createClob() {
return new MariaDbClob();
}
@Override
public Blob createBlob() {
return new MariaDbBlob();
}
@Override
public NClob createNClob() {
return new MariaDbClob();
}
@Override
public SQLXML createSQLXML() throws SQLException {
throw exceptionFactory.notSupported("SQLXML type is not supported");
}
private void checkNotClosed() throws SQLException {
if (client.isClosed()) {
throw exceptionFactory.create("Connection is closed", "08000", 1220);
}
}
@Override
public boolean isValid(int timeout) throws SQLException {
if (timeout < 0) {
throw exceptionFactory.create("the value supplied for timeout is negative");
}
lock.lock();
try {
client.execute(PingPacket.INSTANCE, true);
return true;
} catch (SQLException sqle) {
if (poolConnection != null) {
MariaDbPoolConnection poolConnection = this.poolConnection;
poolConnection.fireConnectionErrorOccurred(sqle);
poolConnection.close();
}
return false;
} finally {
lock.unlock();
}
}
@Override
public void setClientInfo(String name, String value) {
clientInfo.put(name, value);
}
@Override
public String getClientInfo(String name) {
return (String) clientInfo.get(name);
}
@Override
public Properties getClientInfo() {
return clientInfo;
}
@Override
public void setClientInfo(Properties properties) {
clientInfo.putAll(properties);
}
@Override
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
throw exceptionFactory.notSupported("Array type is not supported");
}
@Override
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
throw exceptionFactory.notSupported("Struct type is not supported");
}
@Override
public String getSchema() {
// We support only catalog
return null;
}
@Override
public void setSchema(String schema) {
// We support only catalog, and JDBC indicate "If the driver does not support schemas, it will
// silently ignore this request."
}
@Override
public void abort(Executor executor) throws SQLException {
if (poolConnection != null) {
MariaDbPoolConnection poolConnection = this.poolConnection;
poolConnection.close();
return;
}
client.abort(executor);
}
@Override
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
if (this.isClosed()) {
throw exceptionFactory.create(
"Connection.setNetworkTimeout cannot be called on a closed connection");
}
if (milliseconds < 0) {
throw exceptionFactory.create(
"Connection.setNetworkTimeout cannot be called with a negative timeout");
}
getContext().addStateFlag(ConnectionState.STATE_NETWORK_TIMEOUT);
lock.lock();
try {
client.setSocketTimeout(milliseconds);
} finally {
lock.unlock();
}
}
@Override
public int getNetworkTimeout() {
return client.getSocketTimeout();
}
@Override
public T unwrap(Class iface) throws SQLException {
if (isWrapperFor(iface)) {
return iface.cast(this);
}
throw new SQLException("The receiver is not a wrapper for " + iface.getName());
}
@Override
public boolean isWrapperFor(Class iface) {
return iface.isInstance(this);
}
/**
* Associate connection client
*
* @return connection client
*/
public Client getClient() {
return client;
}
/** Internal Savepoint implementation */
class MariaDbSavepoint implements java.sql.Savepoint {
private final String name;
private final Integer id;
public MariaDbSavepoint(final String name) {
this.name = name;
this.id = null;
}
public MariaDbSavepoint(final int savepointId) {
this.id = savepointId;
this.name = null;
}
/**
* Retrieves the generated ID for the savepoint that this Savepoint object
* represents.
*
* @return the numeric ID of this savepoint
*/
public int getSavepointId() throws SQLException {
if (name != null) {
throw exceptionFactory.create("Cannot retrieve savepoint id of a named savepoint");
}
return id;
}
/**
* Retrieves the name of the savepoint that this Savepoint object represents.
*
* @return the name of this savepoint
*/
public String getSavepointName() throws SQLException {
if (id != null) {
throw exceptionFactory.create("Cannot retrieve savepoint name of an unnamed savepoint");
}
return name;
}
public String rawValue() {
if (id != null) {
return "_jid_" + id;
}
return name;
}
}
/**
* Reset connection set has it was after creating a "fresh" new connection.
* defaultTransactionIsolation must have been initialized.
*
* BUT : - session variable state are reset only if option useResetConnection is set and - if
* using the option "useServerPrepStmts", PREPARE statement are still prepared
*
* @throws SQLException if resetting operation failed
*/
public void reset() throws SQLException {
// COM_RESET_CONNECTION exist since mysql 5.7.3 and mariadb 10.2.4
// but not possible to use it with mysql waiting for https://bugs.mysql.com/bug.php?id=97633
// correction.
// and mariadb only since https://jira.mariadb.org/browse/MDEV-18281
boolean useComReset =
conf.useResetConnection()
&& getContext().getVersion().isMariaDBServer()
&& (getContext().getVersion().versionGreaterOrEqual(10, 3, 13)
|| (getContext().getVersion().getMajorVersion() == 10
&& getContext().getVersion().getMinorVersion() == 2
&& getContext().getVersion().versionGreaterOrEqual(10, 2, 22)));
if (useComReset) {
client.execute(ResetPacket.INSTANCE, true);
}
// in transaction => rollback
if (forceTransactionEnd
|| (client.getContext().getServerStatus() & ServerStatus.IN_TRANSACTION) > 0) {
client.execute(new QueryPacket("ROLLBACK"), true);
}
int stateFlag = getContext().getStateFlag();
if (stateFlag != 0) {
try {
if ((stateFlag & ConnectionState.STATE_NETWORK_TIMEOUT) != 0) {
setNetworkTimeout(null, conf.socketTimeout());
}
if ((stateFlag & ConnectionState.STATE_AUTOCOMMIT) != 0) {
setAutoCommit(conf.autocommit() == null ? true : conf.autocommit());
}
if ((stateFlag & ConnectionState.STATE_DATABASE) != 0) {
setCatalog(conf.database());
}
if ((stateFlag & ConnectionState.STATE_READ_ONLY) != 0) {
setReadOnly(false); // default to master connection
}
if (!useComReset && (stateFlag & ConnectionState.STATE_TRANSACTION_ISOLATION) != 0) {
setTransactionIsolation(
conf.transactionIsolation() == null
? java.sql.Connection.TRANSACTION_REPEATABLE_READ
: conf.transactionIsolation().getLevel());
}
} catch (SQLException sqle) {
throw exceptionFactory.create("error resetting connection");
}
}
client.reset();
clearWarnings();
}
/**
* Current server thread id.
*
* @return current server thread id
*/
public long getThreadId() {
return client.getContext().getThreadId();
}
/**
* Fire event to indicate to StatementEventListeners registered on the connection that a
* PreparedStatement is closed.
*
* @param prep prepare statement closing
*/
public void fireStatementClosed(PreparedStatement prep) {
if (poolConnection != null) {
poolConnection.fireStatementClosed(prep);
}
}
/**
* Get connection exception factory
*
* @return connection exception factory
*/
protected ExceptionFactory getExceptionFactory() {
return exceptionFactory;
}
/**
* for _TEST_ only
*
* @return current host
*/
public String __test_host() {
return this.client.getHostAddress().toString();
}
}