Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 com.gst.portfolio.account.domain; import java.math.BigDecimal; import java.util.Date; import javax.persistence.Column; import javax.persistence.Embedded; import javax.persistence.Entity; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import com.gst.organisation.monetary.domain.MonetaryCurrency; import com.gst.organisation.monetary.domain.Money; import com.gst.portfolio.loanaccount.domain.LoanTransaction; import com.gst.portfolio.savings.domain.SavingsAccountTransaction; import org.joda.time.LocalDate; import com.gst.infrastructure.core.domain.AbstractPersistableCustom; @Entity @Table(name = "m_account_transfer_transaction") public class AccountTransferTransaction extends AbstractPersistableCustom<Long> { @ManyToOne @JoinColumn(name = "account_transfer_details_id", nullable = true) private AccountTransferDetails accountTransferDetails; @ManyToOne @JoinColumn(name = "from_savings_transaction_id", nullable = true) private SavingsAccountTransaction fromSavingsTransaction; @ManyToOne @JoinColumn(name = "to_savings_transaction_id", nullable = true) private SavingsAccountTransaction toSavingsTransaction; @ManyToOne @JoinColumn(name = "to_loan_transaction_id", nullable = true) private LoanTransaction toLoanTransaction; @ManyToOne @JoinColumn(name = "from_loan_transaction_id", nullable = true) private LoanTransaction fromLoanTransaction; @Column(name = "is_reversed", nullable = false) private boolean reversed = false; @Temporal(TemporalType.DATE) @Column(name = "transaction_date") private Date date; @Embedded private MonetaryCurrency currency; @Column(name = "amount", scale = 6, precision = 19, nullable = false) private BigDecimal amount; @Column(name = "description", length = 100) private String description; public static AccountTransferTransaction savingsToSavingsTransfer( final AccountTransferDetails accountTransferDetails, final SavingsAccountTransaction withdrawal, final SavingsAccountTransaction deposit, final LocalDate transactionDate, final Money transactionAmount, final String description) { return new AccountTransferTransaction(accountTransferDetails, withdrawal, deposit, null, null, transactionDate, transactionAmount, description); } public static AccountTransferTransaction savingsToLoanTransfer( final AccountTransferDetails accountTransferDetails, final SavingsAccountTransaction withdrawal, final LoanTransaction loanRepaymentTransaction, final LocalDate transactionDate, final Money transactionAmount, final String description) { return new AccountTransferTransaction(accountTransferDetails, withdrawal, null, loanRepaymentTransaction, null, transactionDate, transactionAmount, description); } public static AccountTransferTransaction LoanTosavingsTransfer( final AccountTransferDetails accountTransferDetails, final SavingsAccountTransaction deposit, final LoanTransaction loanRefundTransaction, final LocalDate transactionDate, final Money transactionAmount, final String description) { return new AccountTransferTransaction(accountTransferDetails, null, deposit, null, loanRefundTransaction, transactionDate, transactionAmount, description); } protected AccountTransferTransaction() { // } private AccountTransferTransaction(final AccountTransferDetails accountTransferDetails, final SavingsAccountTransaction withdrawal, final SavingsAccountTransaction deposit, final LoanTransaction loanRepaymentTransaction, final LoanTransaction loanRefundTransaction, final LocalDate transactionDate, final Money transactionAmount, final String description) { this.accountTransferDetails = accountTransferDetails; this.fromLoanTransaction = loanRefundTransaction; this.fromSavingsTransaction = withdrawal; this.toSavingsTransaction = deposit; this.toLoanTransaction = loanRepaymentTransaction; this.date = transactionDate.toDate(); this.currency = transactionAmount.getCurrency(); this.amount = transactionAmount.getAmountDefaultedToNullIfZero(); this.description = description; } public LoanTransaction getFromLoanTransaction() { return this.fromLoanTransaction; } public SavingsAccountTransaction getFromTransaction() { return this.fromSavingsTransaction; } public LoanTransaction getToLoanTransaction() { return this.toLoanTransaction; } public SavingsAccountTransaction getToSavingsTransaction() { return this.toSavingsTransaction; } public void reverse() { this.reversed = true; } public void updateToLoanTransaction(LoanTransaction toLoanTransaction) { this.toLoanTransaction = toLoanTransaction; } public AccountTransferDetails accountTransferDetails() { return this.accountTransferDetails; } public static AccountTransferTransaction LoanToLoanTransfer(AccountTransferDetails accountTransferDetails, LoanTransaction disburseTransaction, LoanTransaction repaymentTransaction, LocalDate transactionDate, Money transactionMonetaryAmount, String description) { return new AccountTransferTransaction(accountTransferDetails, null, null, repaymentTransaction, disburseTransaction, transactionDate, transactionMonetaryAmount, description); } }