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JDBC Driver for the Firebird RDBMS
/*
* Firebird Open Source J2ee connector - jdbc driver
*
* Distributable under LGPL license.
* You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* LGPL License for more details.
*
* This file was created by members of the firebird development team.
* All individual contributions remain the Copyright (C) of those
* individuals. Contributors to this file are either listed here or
* can be obtained from a CVS history command.
*
* All rights reserved.
*/
package org.firebirdsql.pool;
import org.firebirdsql.ds.RootCommonDataSource;
import org.firebirdsql.gds.DatabaseParameterBuffer;
import org.firebirdsql.gds.TransactionParameterBuffer;
import org.firebirdsql.gds.impl.AbstractGDS;
import org.firebirdsql.gds.impl.GDSFactory;
import org.firebirdsql.gds.impl.GDSType;
import org.firebirdsql.jca.FBManagedConnectionFactory;
import java.io.Serializable;
import java.sql.Connection;
import javax.sql.DataSource;
import java.sql.SQLException;
import javax.naming.Reference;
import javax.resource.Referenceable;
import javax.resource.ResourceException;
import org.firebirdsql.jdbc.FBDataSource;
import org.firebirdsql.jdbc.FBDriverNotCapableException;
import org.firebirdsql.jdbc.FirebirdConnectionProperties;
import javax.naming.NamingException;
/**
* This is a simple implementation of {@link DataSource} interface. Connections
* are physically opened in {@link DataSource#getConnection()} method and
* physically closed in {@link Connection#close()} method. If you need connection
* pooling, use {@link FBWrappingDataSource} instead.
* @author Roman Rokytskyy
* @author David Jencks
* @version 1.0
*/
public final class FBSimpleDataSource extends RootCommonDataSource implements DataSource, Serializable, Referenceable, FirebirdConnectionProperties {
private static final long serialVersionUID = 3156578540634970427L;
protected FBManagedConnectionFactory mcf;
protected transient FBDataSource ds;
protected Reference jndiReference;
protected String description;
/**
* Create instance of this class.
*/
public FBSimpleDataSource() {
this(((AbstractGDS)GDSFactory.getDefaultGDS()).getType());
}
/**
* Create instance of this class.
*/
public FBSimpleDataSource(GDSType type) {
mcf = new FBManagedConnectionFactory(type);
}
/**
* Get buffer length for the BLOB fields.
*
* @return length of BLOB buffer.
*/
public Integer getBlobBufferLength() {
return new Integer(mcf.getBlobBufferSize());
}
/**
* Set BLOB buffer length. This value influences the performance when
* working with BLOB fields.
*
* @param length new length of the BLOB buffer.
*/
public void setBlobBufferLength(Integer length) {
mcf.setBlobBufferSize(length.intValue());
}
/**
* Get name of the database.
*
* @return database name, value is equal to the part of full JDBC URL without
* the jdbc:firebirdsql: part.
*
* @deprecated use {@link #getDatabase} instead for the sake of naming
* compatibility.
*/
public String getDatabaseName() {
return getDatabase();
}
/**
* Set database name.
*
* @param name connection URL without "jdbc:firebirdsql:"
* prefix ("//localhost:3050/c:/database/employee.gdb") for
* example).
*
* @deprecated use {@link #setDatabase(String)} instead for the sake of
* naming compatibility.
*/
public void setDatabaseName(String name) {
setDatabase(name);
}
/**
* Get name of the database.
*
* @return database name, value is equal to the part of full JDBC URL without
* the jdbc:firebirdsql: part.
*/
public String getDatabase() {
return mcf.getDatabase();
}
/**
* Set database name.
*
* @param name connection URL without "jdbc:firebirdsql:"
* prefix ("//localhost:3050/c:/database/employee.gdb") for
* example).
*/
public void setDatabase(String name) {
mcf.setDatabase(name);
}
/**
* Get user name that is used in {@link #getConnection()} method.
*
* @return default user name.
*
* @deprecated use {@link #getUserName()} instead for the sake of naming
* compatibility.
*/
public String getUser() {
return getUserName();
}
/**
* Set user name that will be used in {@link #getConnection()} method.
*
* @param user default user name.
*
* @deprecated use {@link #setUserName(String)} instead for the sake of
* naming compatibility.
*/
public void setUser(String user) {
setUserName(user);
}
/**
* Get user name that is used in {@link #getConnection()} method.
*
* @return default user name.
*/
public String getUserName() {
return mcf.getUserName();
}
/**
* Set user name that will be used in {@link #getConnection()} method.
*
* @param userName default user name.
*/
public void setUserName(String userName) {
mcf.setUserName(userName);
}
/**
* Get password used in {@link #getConnection()} method.
*
* @return password corresponding to the user name returned by
* {@link #getUserName()}.
*/
public String getPassword() {
return mcf.getPassword();
}
/**
* Set password that will be used in the {@link #getConnection()} method.
*
* @param password password corresponding to the user name set in
* {@link #setUserName(String)}.
*/
public void setPassword(String password) {
mcf.setPassword(password);
}
/**
* Get encoding for connections produced by this data source.
*
* @return encoding for the connection.
*/
public String getEncoding() {
return mcf.getEncoding();
}
/**
* Set encoding for connections produced by this data source.
*
* @param encoding encoding for the connection.
*/
public void setEncoding(String encoding) {
mcf.setEncoding(encoding);
}
public String getTpbMapping() {
return mcf.getTpbMapping();
}
public void setTpbMapping(String tpbMapping) {
mcf.setTpbMapping(tpbMapping);
}
public int getBlobBufferSize() {
return mcf.getBlobBufferSize();
}
public int getBuffersNumber() {
return mcf.getBuffersNumber();
}
public String getCharSet() {
return mcf.getCharSet();
}
public DatabaseParameterBuffer getDatabaseParameterBuffer() throws SQLException {
return mcf.getDatabaseParameterBuffer();
}
public String getDefaultIsolation() {
return mcf.getDefaultIsolation();
}
public int getDefaultTransactionIsolation() {
return mcf.getDefaultTransactionIsolation();
}
public String getNonStandardProperty(String key) {
return mcf.getNonStandardProperty(key);
}
public String getRoleName() {
return mcf.getRoleName();
}
public int getSocketBufferSize() {
return mcf.getSocketBufferSize();
}
public String getSqlDialect() {
return mcf.getSqlDialect();
}
public TransactionParameterBuffer getTransactionParameters(int isolation) {
return mcf.getTransactionParameters(isolation);
}
public String getType() {
return mcf.getType();
}
public String getUseTranslation() {
return mcf.getUseTranslation();
}
public boolean isTimestampUsesLocalTimezone() {
return mcf.isTimestampUsesLocalTimezone();
}
public boolean isUseStandardUdf() {
return mcf.isUseStandardUdf();
}
public boolean isUseStreamBlobs() {
return mcf.isUseStreamBlobs();
}
public void setBlobBufferSize(int bufferSize) {
mcf.setBlobBufferSize(bufferSize);
}
public void setBuffersNumber(int buffersNumber) {
mcf.setBuffersNumber(buffersNumber);
}
public void setCharSet(String charSet) {
mcf.setCharSet(charSet);
}
public void setDefaultIsolation(String isolation) {
mcf.setDefaultIsolation(isolation);
}
public void setDefaultTransactionIsolation(int defaultIsolationLevel) {
mcf.setDefaultTransactionIsolation(defaultIsolationLevel);
}
public void setNonStandardProperty(String key, String value) {
mcf.setNonStandardProperty(key, value);
}
public void setNonStandardProperty(String propertyMapping) {
mcf.setNonStandardProperty(propertyMapping);
}
public void setRoleName(String roleName) {
mcf.setRoleName(roleName);
}
public void setSocketBufferSize(int socketBufferSize) {
mcf.setSocketBufferSize(socketBufferSize);
}
public void setSqlDialect(String sqlDialect) {
mcf.setSqlDialect(sqlDialect);
}
public void setTimestampUsesLocalTimezone(boolean timestampUsesLocalTimezone) {
mcf.setTimestampUsesLocalTimezone(timestampUsesLocalTimezone);
}
public void setTransactionParameters(int isolation, TransactionParameterBuffer tpb) {
mcf.setTransactionParameters(isolation, tpb);
}
public void setType(String type) {
mcf.setType(type);
}
public void setUseStandardUdf(boolean useStandardUdf) {
mcf.setUseStandardUdf(useStandardUdf);
}
public void setUseStreamBlobs(boolean useStreamBlobs) {
mcf.setUseStreamBlobs(useStreamBlobs);
}
public void setUseTranslation(String translationPath) {
mcf.setUseTranslation(translationPath);
}
public boolean isDefaultResultSetHoldable() {
return mcf.isDefaultResultSetHoldable();
}
public void setDefaultResultSetHoldable(boolean isHoldable) {
mcf.setDefaultResultSetHoldable(isHoldable);
}
public int getSoTimeout() {
return mcf.getSoTimeout();
}
public void setSoTimeout(int soTimeout) {
mcf.setSoTimeout(soTimeout);
}
public int getConnectTimeout() {
return mcf.getConnectTimeout();
}
public void setConnectTimeout(int connectTimeout) {
mcf.setConnectTimeout(connectTimeout);
}
/*
* INTERFACES IMPLEMENTATION
*/
/**
* Get previously set JNDI reference.
*
* @return instance of {@link Reference} set previously.
*
* @throws NamingException if something went wrong.
*/
public Reference getReference() throws NamingException {
return jndiReference;
}
/**
* Set JNDI reference for this data source.
*
* @param reference reference to set.
*/
public void setReference(Reference reference) {
jndiReference = reference;
}
/**
* Get JDBC connection with default credentials.
*
* @return new JDBC connection.
*
* @throws SQLException if something went wrong.
*/
public Connection getConnection() throws SQLException {
return getDataSource().getConnection();
}
/**
* Get JDBC connection with the specified credentials.
*
* @param username user name for the connection.
* @param password password for the connection.
*
* @return new JDBC connection.
*
* @throws SQLException if something went wrong.
*/
public Connection getConnection(String username, String password) throws SQLException {
return getDataSource().getConnection(username, password);
}
/**
* {@inheritDoc}
*
* This property is an alias for the connectTimeout property.
*
*/
public int getLoginTimeout() throws SQLException {
return getConnectTimeout();
}
/**
* {@inheritDoc}
*
* This property is an alias for the connectTimeout property.
*
*/
public void setLoginTimeout(int loginTimeout) throws SQLException {
setConnectTimeout(loginTimeout);
}
/**
* Get description of this datasource.
*
* @return description of this datasource.
*/
public String getDescription() {
return description;
}
/**
* Set description of this datasource.
*
* @param description description of this datasource.
*/
public void setDescription(String description) {
this.description = description;
}
/**
* Get underlying connection factory (in our case instance of
* {@link FBDataSource} class) that will provide JDBC connections.
*
* @return JDBC connection factory.
*
* @throws SQLException if something went wrong.
*/
protected synchronized DataSource getDataSource() throws SQLException {
if (ds != null)
return ds;
if (mcf.getDatabase() == null || "".equals(mcf.getDatabase().trim()))
throw new SQLException(
"Database was not specified. Cannot provide connections.");
try {
ds = (FBDataSource)mcf.createConnectionFactory();
return ds;
} catch(ResourceException rex) {
throw new SQLException(rex.getMessage());
}
}
// JDBC 4.0
public boolean isWrapperFor(Class iface) throws SQLException {
return iface != null && iface.isAssignableFrom(getClass());
}
public T unwrap(Class iface) throws SQLException {
if (!isWrapperFor(iface))
throw new FBDriverNotCapableException();
return iface.cast(this);
}
}