ReadConnectionPoolAdapter.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.scplugin.model.adapter;

import org.eclipse.persistence.internal.sessions.factories.model.pool.ReadConnectionPoolConfig;

/**
 * Session Configuration model adapter class for the
 * TopLink Foudation Library class ReadConnectionPoolConfig
 *
 * @see ReadConnectionPoolConfig
 *
 * @author Tran Le
 */
public class ReadConnectionPoolAdapter extends ConnectionPoolAdapter {
    // Property change
    public static final String EXCLUSIVE_PROPERTY = "exclusive";
    public static final String USE_NON_TRANSACTIONAL_READ_LOGIN_PROPERTY = "useNonTransactionalReadLogin";
    private volatile boolean useNonTransactionalReadLogin;

    /**
     * Creates a new ReadConnectionPool for the specified model object.
     */
    ReadConnectionPoolAdapter( SCAdapter parent, ReadConnectionPoolConfig scConfig) {

        super( parent, scConfig);
    }
    /**
     * Creates a new ReadConnectionPool.
     */
    protected ReadConnectionPoolAdapter( SCAdapter parent) {

        super( parent, READ_CONNECTION_POOL_NAME);
    }
    /**
     * Returns this Config Model Object.
     */
    private final ReadConnectionPoolConfig readPool() {

        return ( ReadConnectionPoolConfig)this.getModel();
    }
    /**
     * Factory method for building this model.
     */
    protected Object buildModel() {
        return new ReadConnectionPoolConfig();
    }

    protected void initialize() {
        super.initialize( );

        this.setConfigRequired( true);
    }

    protected void initializeDefaults() {
        super.initializeDefaults();
        this.setExclusive( true);
    }
    /**
     * Initializes this adapter.
     * This does not have a Login at creation.
     */
    protected void initialize( Object newConfig) {
        super.initialize( newConfig);

        this.setLogin( NullLoginAdapter.instance());
    }
    /**
     * Initializes this adapter from the config model.
     */
    protected void initializeFromModel( Object scConfig) {

        super.initializeFromModel( scConfig);

        this.useNonTransactionalReadLogin = ( readPool().getLoginConfig() != null);
    }

    protected void postInitializationFromModel() {
        super.postInitializationFromModel();

        if( this.getName().equals( "unamed"))
            this.setName( ConnectionPoolAdapter.READ_CONNECTION_POOL_NAME);
        return;
    }

    public boolean isExclusive() {
        return this.readPool().getExclusive();
    }

    /**
     * Returns this config model property.
     */
    public boolean isReadConnectionPool() {

        return true;
    }

    public void setExclusive(boolean exclusive) {

        boolean old = isExclusive();
        this.readPool().setExclusive( exclusive);
        this.firePropertyChanged( EXCLUSIVE_PROPERTY, old, exclusive);
    }

    public boolean usesNonTransactionalReadLogin() {

        return this.useNonTransactionalReadLogin;
    }

    public void setUseNonTransactionalReadLogin(boolean useNonTransactionalReadLogin) {

        boolean old = this.useNonTransactionalReadLogin;

        if( old == useNonTransactionalReadLogin) return;

        this.useNonTransactionalReadLogin = useNonTransactionalReadLogin;
        if( useNonTransactionalReadLogin)
            setLogin( buildLogin());
        else
            removeLogin();

        this.firePropertyChanged( USE_NON_TRANSACTIONAL_READ_LOGIN_PROPERTY, old, useNonTransactionalReadLogin);
    }
}