Transaction.java

/**
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.benchmark.models;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;

/**
 * @author Peter Lin
 *
 */
public class Transaction extends Security {

    private static final long serialVersionUID = 510l;
	
	protected String    accountId     = null;
    protected double    buyPrice;
    protected String    purchaseDate  = null;
    protected double    shares;
    protected double    total;
    protected String    transactionId = null;

    protected ArrayList<PropertyChangeListener> listeners     = new ArrayList<PropertyChangeListener>();

    public Transaction() {
        super();
    }

    public void setAccountId(String id) {
        if ( !id.equals( this.accountId ) ) {
            String old = this.accountId;
            this.accountId = id;
            this.notifyListener( "accountId",
                                 old,
                                 this.accountId );
        }
    }

    public String getAccountId() {
        return this.accountId;
    }

    public void setBuyPrice(double price) {
        if ( price != this.buyPrice ) {
            Double old = new Double( this.buyPrice );
            this.buyPrice = price;
            this.notifyListener( "buyPrice",
                                 old,
                                 new Double( this.buyPrice ) );
        }
    }

    public double getBuyPrice() {
        return this.buyPrice;
    }

    public void setPurchaseDate(String date) {
        if ( !date.equals( this.purchaseDate ) ) {
            String old = this.purchaseDate;
            this.purchaseDate = date;
            this.notifyListener( "purchaseDate",
                                 old,
                                 this.purchaseDate );
        }
    }

    public String getPurchaseDate() {
        return this.purchaseDate;
    }

    public void setShares(double shares) {
        if ( shares != this.shares ) {
            Double old = new Double( this.shares );
            this.shares = shares;
            this.notifyListener( "shares",
                                 old,
                                 new Double( this.shares ) );
        }
    }

    public double getShares() {
        return this.shares;
    }

    public void setTotal(double value) {
        if ( value != this.total ) {
            Double old = new Double( this.total );
            this.total = value;
            this.notifyListener( "total",
                                 old,
                                 new Double( this.total ) );
        }
    }

    public double getTotal() {
        return this.total;
    }

    public void setTransactionId(String id) {
        if ( !id.equals( this.transactionId ) ) {
            String old = this.transactionId;
            this.transactionId = id;
            this.notifyListener( "transactionId",
                                 old,
                                 this.transactionId );
        }
    }

    public String getTransactionId() {
        return this.transactionId;
    }

    public void addPropertyChangeListener(PropertyChangeListener listener) {
        this.listeners.add( listener );
    }

    public void removePropertyChangeListener(PropertyChangeListener listener) {
        this.listeners.remove( listener );
    }

    protected void notifyListener(String field,
                                  Object oldValue,
                                  Object newValue) {
        if ( listeners == null || listeners.size() == 0 ) {
            return;
        } else {
            PropertyChangeEvent event = new PropertyChangeEvent( this,
                                                                 field,
                                                                 oldValue,
                                                                 newValue );

            for ( int i = 0; i < listeners.size(); i++ ) {
                ((java.beans.PropertyChangeListener) listeners.get( i )).propertyChange( event );
            }
        }

    }
}