List of usage examples for org.apache.commons.pool.impl StackKeyedObjectPoolFactory StackKeyedObjectPoolFactory
public StackKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int max)
From source file:com.glaf.core.jdbc.connection.DBCPConnectionProvider.java
@SuppressWarnings({ "rawtypes", "unchecked" })
public void configure(Properties props) throws RuntimeException {
String jdbcDriverClass = props.getProperty(DBConfiguration.JDBC_DRIVER);
String jdbcUrl = props.getProperty(DBConfiguration.JDBC_URL);
Properties connectionProps = ConnectionProviderFactory.getConnectionProperties(props);
log.info("DBCP using driver: " + jdbcDriverClass + " at URL: " + jdbcUrl);
log.info("Connection properties: " + PropertiesHelper.maskOut(connectionProps, "password"));
autocommit = PropertiesHelper.getBoolean(DBConfiguration.JDBC_AUTOCOMMIT, props);
log.info("autocommit mode: " + autocommit);
if (jdbcDriverClass == null) {
log.warn("No JDBC Driver class was specified by property " + DBConfiguration.JDBC_DRIVER);
} else {//w w w .j av a 2s .c o m
try {
Class.forName(jdbcDriverClass);
} catch (ClassNotFoundException cnfe) {
try {
ClassUtils.classForName(jdbcDriverClass);
} catch (Exception e) {
String msg = "JDBC Driver class not found: " + jdbcDriverClass;
log.error(msg, e);
throw new RuntimeException(msg, e);
}
}
}
String dbUser = props.getProperty(DBConfiguration.JDBC_USER);
String dbPassword = props.getProperty(DBConfiguration.JDBC_PASSWORD);
if (dbUser == null) {
dbUser = ""; // Some RDBMS (e.g Postgresql) don't like null
// usernames
}
if (dbPassword == null) {
dbPassword = ""; // Some RDBMS (e.g Postgresql) don't like null
// passwords
}
// Create the actual pool of connections
ObjectPool connectionPool = new GenericObjectPool(null);
// Apply any properties
if (props.getProperty(ConnectionConstants.PROP_MAXIDLE) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MAXIDLE, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxIdle(value);
}
}
if (props.getProperty(ConnectionConstants.PROP_MINIDLE) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MINIDLE, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMinIdle(value);
}
}
if (props.getProperty(ConnectionConstants.PROP_MAXACTIVE) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MAXACTIVE, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxActive(value);
}
}
if (props.getProperty(ConnectionConstants.PROP_MAXWAIT) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MAXWAIT, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxWait(value);
}
}
// how often should the evictor run (if ever, default is -1 = off)
if (props.getProperty(ConnectionConstants.PROP_TIMEBETWEENEVICTIONRUNSMILLIS) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_TIMEBETWEENEVICTIONRUNSMILLIS, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setTimeBetweenEvictionRunsMillis(value);
// in each eviction run, ecict at least a fourth of "maxIdle"
// connections
int maxIdle = ((GenericObjectPool) connectionPool).getMaxIdle();
int numTestsPerEvictionRun = (int) Math.ceil(((double) maxIdle / 4));
((GenericObjectPool) connectionPool).setNumTestsPerEvictionRun(numTestsPerEvictionRun);
}
}
// how long may a connection sit idle in the pool before it may be
// evicted
if (props.getProperty(ConnectionConstants.PROP_MINEVICTABLEIDLETIMEMILLIS) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MINEVICTABLEIDLETIMEMILLIS, props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMinEvictableIdleTimeMillis(value);
}
}
// Create a factory to be used by the pool to create the connections
ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(jdbcUrl, dbUser, dbPassword);
// Create a factory for caching the PreparedStatements
KeyedObjectPoolFactory kpf = null;
if (props.getProperty(ConnectionConstants.PROP_MAXSTATEMENTS) != null) {
int value = PropertiesHelper.getInt(ConnectionConstants.PROP_MAXSTATEMENTS, props, 0);
if (value > 0) {
kpf = new StackKeyedObjectPoolFactory(null, value);
}
}
// Wrap the connections and statements with pooled variants
try {
String testSQL = null;
if (props.getProperty(ConnectionConstants.PROP_VALIDATIONQUERY) != null) {
testSQL = PropertiesHelper.getString(ConnectionConstants.PROP_VALIDATIONQUERY, props, null);
}
new PoolableConnectionFactory(connectionFactory, connectionPool, kpf, testSQL, false, false);
if (testSQL != null) {
((GenericObjectPool) connectionPool).setTestOnBorrow(true);
}
} catch (Exception ex) {
ex.printStackTrace();
log.error("could not instantiate DBCP connection pool", ex);
throw new ConnectionPoolException("DBCP", jdbcDriverClass, jdbcUrl, ex);
}
ds = new PoolingDataSource(connectionPool);
Connection conn = null;
try {
conn = ds.getConnection();
if (conn == null) {
throw new RuntimeException("DBCP connection pool can't get jdbc connection");
}
} catch (SQLException ex) {
ex.printStackTrace();
throw new RuntimeException(ex);
} finally {
JdbcUtils.close(conn);
}
String i = props.getProperty(DBConfiguration.JDBC_ISOLATION);
if (i == null) {
isolation = null;
} else {
isolation = new Integer(i);
log.info("JDBC isolation level: " + DBConfiguration.isolationLevelToString(isolation.intValue()));
}
}
From source file:com.glaf.jbpm.connection.DbcpConnectionProvider.java
@SuppressWarnings({ "rawtypes", "unchecked" })
public void configure(Properties props) throws RuntimeException {
String jdbcDriverClass = props.getProperty(Environment.DRIVER);
String jdbcUrl = props.getProperty(Environment.URL);
Properties connectionProps = ConnectionProviderFactory.getConnectionProperties(props);
log.info("DBCP using driver: " + jdbcDriverClass + " at URL: " + jdbcUrl);
log.info("Connection properties: " + PropertiesHelper.maskOut(connectionProps, "password"));
autocommit = PropertiesHelper.getBoolean(Environment.AUTOCOMMIT, props);
log.info("autocommit mode: " + autocommit);
if (jdbcDriverClass == null) {
log.warn("No JDBC Driver class was specified by property " + Environment.DRIVER);
} else {/*w w w . j ava 2 s . co m*/
try {
Class.forName(jdbcDriverClass);
} catch (ClassNotFoundException cnfe) {
try {
ClassUtils.classForName(jdbcDriverClass);
} catch (Exception e) {
String msg = "JDBC Driver class not found: " + jdbcDriverClass;
log.error(msg, e);
throw new RuntimeException(msg, e);
}
}
}
String dbUser = props.getProperty(Environment.USER);
String dbPassword = props.getProperty(Environment.PASS);
if (dbUser == null) {
dbUser = "";
}
if (dbPassword == null) {
dbPassword = "";
}
Properties properties = new Properties();
for (Iterator<Object> ii = props.keySet().iterator(); ii.hasNext();) {
String key = (String) ii.next();
if (key.startsWith("hibernate.dbcp.")) {
String newKey = key.substring(15);
properties.put(newKey, props.get(key));
}
}
// Create the actual pool of connections
ObjectPool connectionPool = new GenericObjectPool(null);
if (props.getProperty("hibernate.connection.maxIdle") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.maxIdle", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxIdle(value);
}
}
if (props.getProperty("hibernate.connection.minIdle") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.minIdle", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMinIdle(value);
}
}
if (props.getProperty("hibernate.connection.maxActive") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.maxActive", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxActive(value);
}
}
if (props.getProperty("hibernate.connection.maxWait") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.maxWait", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMaxWait(value);
}
}
// how often should the evictor run (if ever, default is -1 = off)
if (props.getProperty("hibernate.connection.timeBetweenEvictionRunsMillis") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.timeBetweenEvictionRunsMillis", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setTimeBetweenEvictionRunsMillis(value);
// in each eviction run, ecict at least a fourth of "maxIdle"
// connections
int maxIdle = ((GenericObjectPool) connectionPool).getMaxIdle();
int numTestsPerEvictionRun = (int) Math.ceil(((double) maxIdle / 4));
((GenericObjectPool) connectionPool).setNumTestsPerEvictionRun(numTestsPerEvictionRun);
}
}
// how long may a connection sit idle in the pool before it may be
// evicted
if (props.getProperty("hibernate.connection.minEvictableIdleTimeMillis") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.minEvictableIdleTimeMillis", props, 0);
if (value > 0) {
((GenericObjectPool) connectionPool).setMinEvictableIdleTimeMillis(value);
}
}
// Create a factory to be used by the pool to create the connections
ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(jdbcUrl, dbUser, dbPassword);
// Create a factory for caching the PreparedStatements
KeyedObjectPoolFactory kpf = null;
if (props.getProperty("hibernate.connection.maxStatements") != null) {
int value = PropertiesHelper.getInt("hibernate.connection.maxStatements", props, 0);
if (value > 0) {
kpf = new StackKeyedObjectPoolFactory(null, value);
}
} else {
kpf = new StackKeyedObjectPoolFactory(null, 200);
}
// Wrap the connections and statements with pooled variants
try {
String testSQL = null;
if (props.getProperty("hibernate.connection.testSQL") != null) {
testSQL = PropertiesHelper.getString("hibernate.connection.testSQL", props, null);
}
new PoolableConnectionFactory(connectionFactory, connectionPool, kpf, testSQL, false, false);
if (testSQL != null) {
((GenericObjectPool) connectionPool).setTestOnBorrow(true);
}
} catch (Exception e) {
throw new ConnectionPoolException("DBCP", jdbcDriverClass, jdbcUrl, e);
}
ds = new PoolingDataSource(connectionPool);
Connection conn = null;
try {
conn = ds.getConnection();
if (conn == null) {
throw new RuntimeException("DBCP connection pool can't get jdbc connection");
}
} catch (SQLException ex) {
throw new RuntimeException(ex);
} finally {
JdbcUtils.close(conn);
}
String i = props.getProperty(Environment.ISOLATION);
if (i == null) {
isolation = null;
} else {
isolation = new Integer(i);
log.info("JDBC isolation level: " + Environment.isolationLevelToString(isolation.intValue()));
}
}