Examples of DelegatingConnection

org.apache.commons.dbcp.DelegatingConnection
A base delegating implementation of {@link Connection}.
All of the methods from the {@link Connection} interfacesimply check to see that the {@link Connection} is active,and call the corresponding method on the "delegate" provided in my constructor.
Extends AbandonedTrace to implement Connection tracking and logging of code which created the Connection. Tracking the Connection ensures that the AbandonedObjectPool can close this connection and recycle it if its pool of connections is nearing exhaustion and this connection's last usage is older than the removeAbandonedTimeout. @author Rodney Waldhoff @author Glenn L. Nielsen @author James House @author Dirk Verbeeck @version $Revision: 896719 $ $Date: 2010-01-06 18:42:22 -0500 (Wed, 06 Jan 2010) $
org.apache.openjpa.lib.jdbc.DelegatingConnection
Wrapper around an existing connection. Subclasses can override the methods whose behavior they mean to change. The equals and hashCode methods pass through to the base underlying data store connection. @author Abe White
org.datanucleus.store.rdbms.datasource.dbcp.DelegatingConnection
A base delegating implementation of {@link Connection}.
All of the methods from the {@link Connection} interfacesimply check to see that the {@link Connection} is active,and call the corresponding method on the "delegate" provided in my constructor.
Extends AbandonedTrace to implement Connection tracking and logging of code which created the Connection. Tracking the Connection ensures that the AbandonedObjectPool can close this connection and recycle it if its pool of connections is nearing exhaustion and this connection's last usage is older than the removeAbandonedTimeout. @author Rodney Waldhoff @author Glenn L. Nielsen @author James House @author Dirk Verbeeck @version $Revision: 896719 $ $Date: 2010-01-06 18:42:22 -0500 (Wed, 06 Jan 2010) $

Examples of org.apache.commons.dbcp.DelegatingConnection

    Connection con = new TestConnectionImpl();


    // use a wrapper from DBCP to create a proxy of a proxy
    // Note: DBCP implements with JDBC 4.0 API so the Wrapper interface
    // is implemented here.
    DelegatingConnection underlying = new DelegatingConnection(con);


    Connection proxy = ProxyFactory.createProxy(underlying, new GenericInvocationHandler<Connection>(underlying));


    // TestConnection is an interface of the actual connection but not of the proxy.  Unwrapping works
    // but a proxy is not returned

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Examples of org.apache.commons.dbcp.DelegatingConnection

    Connection con = new TestConnectionImpl();


    // use a wrapper from DBCP to create a proxy of a proxy
    // Note: DBCP implements with JDBC 4.0 API so the Wrapper interface
    // is implemented here.
    DelegatingConnection underlying = new DelegatingConnection(con);


    Connection proxy = ProxyFactory.createProxy(underlying, new GenericInvocationHandler<Connection>(underlying));


    // TestConnection is an interface of the wrapped underlying object.
    assertTrue(proxy.isWrapperFor(TestConnection.class));

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Examples of org.apache.commons.dbcp.DelegatingConnection

    PooledConnectionImpl(Connection connection, KeyedObjectPool pool) {
        this.connection = connection;
        if (connection instanceof DelegatingConnection) {
            this.delegatingConnection = (DelegatingConnection) connection;
        } else {
            this.delegatingConnection = new DelegatingConnection(connection);
        }
        eventListeners = new Vector();
        isClosed = false;
        if (pool != null) {
            pstmtPool = pool;

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Examples of org.apache.commons.dbcp.DelegatingConnection

    PooledConnectionImpl(Connection connection, KeyedObjectPool pool) {
        this.connection = connection;
        if (connection instanceof DelegatingConnection) {
            this.delegatingConnection = (DelegatingConnection) connection;
        } else {
            this.delegatingConnection = new DelegatingConnection(connection);   
        }
        eventListeners = new Vector();
        isClosed = false;
        if (pool != null) {
            pstmtPool = pool;

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Examples of org.apache.commons.dbcp.DelegatingConnection

    PooledConnectionImpl(Connection connection, KeyedObjectPool pool) {
        this.connection = connection;
        if (connection instanceof DelegatingConnection) {
            this.delegatingConnection = (DelegatingConnection) connection;
        } else {
            this.delegatingConnection = new DelegatingConnection(connection);
        }
        eventListeners = new Vector();
        isClosed = false;
        if (pool != null) {
            pstmtPool = pool;

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Examples of org.apache.commons.dbcp.DelegatingConnection

    PooledConnectionImpl(Connection connection, KeyedObjectPool pool) {
        this.connection = connection;
        if (connection instanceof DelegatingConnection) {
            this.delegatingConnection = (DelegatingConnection) connection;
        } else {
            this.delegatingConnection = new DelegatingConnection(connection);   
        }
        eventListeners = new Vector();
        isClosed = false;
        if (pool != null) {
            pstmtPool = pool;

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Examples of org.apache.commons.dbcp.DelegatingConnection

        connection.close();
        sharedConnection.close();
    }


    public void testSharedConnection() throws Exception {
        DelegatingConnection connectionA = (DelegatingConnection) newConnection();
        DelegatingConnection connectionB = (DelegatingConnection) newConnection();


        assertTrue(connectionA.equals(connectionB));
        assertTrue(connectionB.equals(connectionA));
        assertTrue(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertTrue(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        connectionA.close();
        connectionB.close();
    }

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Examples of org.apache.commons.dbcp.DelegatingConnection

        connectionA.close();
        connectionB.close();
    }


    public void testSharedTransactionConversion() throws Exception {
        DelegatingConnection connectionA = (DelegatingConnection) newConnection();
        DelegatingConnection connectionB = (DelegatingConnection) newConnection();


        // in a transaciton the connections should be equal
        assertTrue(connectionA.equals(connectionB));
        assertTrue(connectionB.equals(connectionA));
        assertTrue(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertTrue(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        transactionManager.commit();


        // use the connection so it adjusts to the completed transaction
        connectionA.getAutoCommit();
        connectionB.getAutoCommit();


        // no there is no transaction so connections should not be equal
        assertFalse(connectionA.equals(connectionB));
        assertFalse(connectionB.equals(connectionA));
        assertFalse(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertFalse(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        transactionManager.begin();


        // use the connection so it adjusts to the new transaction
        connectionA.getAutoCommit();
        connectionB.getAutoCommit();


        // back in a transaction so should be equal again
        assertTrue(connectionA.equals(connectionB));
        assertTrue(connectionB.equals(connectionA));
        assertTrue(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertTrue(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        connectionA.close();
        connectionB.close();
    }

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Examples of org.apache.commons.dbcp.DelegatingConnection

        connectionA.close();
        connectionB.close();
    }


    public void testCloseInTransaction() throws Exception {
        DelegatingConnection connectionA = (DelegatingConnection) newConnection();
        DelegatingConnection connectionB = (DelegatingConnection) newConnection();


        assertTrue(connectionA.equals(connectionB));
        assertTrue(connectionB.equals(connectionA));
        assertTrue(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertTrue(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        connectionA.close();
        connectionB.close();


        Connection connection = newConnection();


        // conection should be open
        assertFalse("Connection should be open", connection.isClosed());

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Examples of org.apache.commons.dbcp.DelegatingConnection


    /**
     * Verify that conection sharing is working (or not working) as expected.
     */
    public void testSharedConnection() throws Exception {
        DelegatingConnection connectionA = (DelegatingConnection) newConnection();
        DelegatingConnection connectionB = (DelegatingConnection) newConnection();


        assertFalse(connectionA.equals(connectionB));
        assertFalse(connectionB.equals(connectionA));
        assertFalse(connectionA.innermostDelegateEquals(connectionB.getInnermostDelegate()));
        assertFalse(connectionB.innermostDelegateEquals(connectionA.getInnermostDelegate()));


        connectionA.close();
        connectionB.close();
    }

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