Examples with DelegatingPreparedStatement org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingPreparedStatement used on opensource projects

Example 6 with DelegatingPreparedStatement

use of org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingPreparedStatement in project tomcat by apache.

the class PoolableManagedConnectionFactory method makeObject.

/**
 * Uses the configured XAConnectionFactory to create a {@link PoolableManagedConnection}. Throws
 * <code>IllegalStateException</code> if the connection factory returns null. Also initializes the connection using
 * configured initialization SQL (if provided) and sets up a prepared statement pool associated with the
 * PoolableManagedConnection if statement pooling is enabled.
 */
@Override
public synchronized PooledObject<PoolableConnection> makeObject() throws Exception {
    Connection conn = getConnectionFactory().createConnection();
    if (conn == null) {
        throw new IllegalStateException("Connection factory returned null from createConnection");
    }
    initializeConnection(conn);
    if (getPoolStatements()) {
        conn = new PoolingConnection(conn);
        final GenericKeyedObjectPoolConfig<DelegatingPreparedStatement> config = new GenericKeyedObjectPoolConfig<>();
        config.setMaxTotalPerKey(-1);
        config.setBlockWhenExhausted(false);
        config.setMaxWait(Duration.ZERO);
        config.setMaxIdlePerKey(1);
        config.setMaxTotal(getMaxOpenPreparedStatements());
        final ObjectName dataSourceJmxName = getDataSourceJmxName();
        final long connIndex = getConnectionIndex().getAndIncrement();
        if (dataSourceJmxName != null) {
            final StringBuilder base = new StringBuilder(dataSourceJmxName.toString());
            base.append(Constants.JMX_CONNECTION_BASE_EXT);
            base.append(connIndex);
            config.setJmxNameBase(base.toString());
            config.setJmxNamePrefix(Constants.JMX_STATEMENT_POOL_PREFIX);
        } else {
            config.setJmxEnabled(false);
        }
        final KeyedObjectPool<PStmtKey, DelegatingPreparedStatement> stmtPool = new GenericKeyedObjectPool<>((PoolingConnection) conn, config);
        ((PoolingConnection) conn).setStatementPool(stmtPool);
        ((PoolingConnection) conn).setCacheState(getCacheState());
    }
    final PoolableManagedConnection pmc = new PoolableManagedConnection(transactionRegistry, conn, getPool(), getDisconnectionSqlCodes(), isFastFailValidation());
    pmc.setCacheState(getCacheState());
    return new DefaultPooledObject<>(pmc);
}

Example 7 with DelegatingPreparedStatement

use of org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingPreparedStatement in project datanucleus-rdbms by datanucleus.

the class PooledConnectionImpl method passivateObject.

/**
 * My {@link KeyedPooledObjectFactory} method for passivating {@link PreparedStatement}s. Currently invokes
 * {@link PreparedStatement#clearParameters}.
 *
 * @param key
 *            ignored
 * @param pooledObject
 *            a wrapped {@link PreparedStatement}
 */
@Override
public void passivateObject(final PStmtKey key, final PooledObject<DelegatingPreparedStatement> pooledObject) throws Exception {
    @SuppressWarnings("resource") final DelegatingPreparedStatement dps = pooledObject.getObject();
    dps.clearParameters();
    dps.passivate();
}