org.glassfish.examples.operations.application.TransferService Maven / Gradle / Ivy

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package org.glassfish.examples.operations.application;

import javax.inject.Inject;
import javax.inject.Singleton;

/**
 * This service is a singleton service but uses two Operation scoped services in order to transfer
 * funds from one bank account to another.  It is up to the controller to properly set the depositor
 * and withdrawler Operations properly before calling the doTransfer operation
 * 
 * @author jwells
 *
 */
@Singleton
public class TransferService {
    @Inject
    private DepositorService depositor;
    
    @Inject
    private WithdrawalService withdrawer;
    
    public int doTransfer(long depositAccount, long withdrawlAccount, int funds) {
        int recieved = withdrawer.withdrawlFunds(withdrawlAccount, funds);
        depositor.depositFunds(depositAccount, recieved);
        
        return recieved;
    }

}