InterestCalculationJob

java.lang.Object

job.InterestCalculationJob

All Implemented Interfaces:: BankingJob

public class InterestCalculationJob extends Object implements BankingJob

Background job that calculates and credits monthly interest to savings accounts. Runs automatically when Web application starts.

Author:: TAMIL MUGHILAN

Field Summary

Fields

Modifier and Type

Field

Description

private static final BigDecimal

ANNUAL_INTEREST_RATE

private final DataStorage

dataStorage

private static final Logger

logger

private static final BigDecimal

MONTHS_IN_YEAR
Constructor Summary

Constructors

Constructor

Description

InterestCalculationJob(DataStorage dataStorage)

Creates Interest Calculation Job
Method Summary

Modifier and Type

Method

Description

private BigDecimal

calculateAndCreditInterest(SavingsAccount account)

Calculates and credits interest to a single account.

void

execute()

Executes the interest calculation for all savings accounts.

String

getJobDescription()

Gets the description of what this job does.

String

getJobName()

Gets the name of this job.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- logger
  
  private static final Logger logger
- ANNUAL_INTEREST_RATE
  
  private static final BigDecimal ANNUAL_INTEREST_RATE
- MONTHS_IN_YEAR
  
  private static final BigDecimal MONTHS_IN_YEAR
- dataStorage
  
  private final DataStorage dataStorage
Constructor Details
- InterestCalculationJob
  
  public InterestCalculationJob(DataStorage dataStorage)
  
  Creates Interest Calculation Job
  
  Parameters:
  
  dataStorage - the data storage to access DB
Method Details
- execute
  
  public void execute()
  
  Executes the interest calculation for all savings accounts. Processes accounts from all branches and credits monthly interest.
  
  Specified by:
  
  execute in interface BankingJob
- calculateAndCreditInterest
  
  private BigDecimal calculateAndCreditInterest(SavingsAccount account)
  
  Calculates and credits interest to a single account.
  
  Parameters:
  
  account - the savings account to process
  
  Returns:
  
  the amount of interest credited
- getJobName
  
  public String getJobName()
  
  Gets the name of this job.
  
  Specified by:
  
  getJobName in interface BankingJob
  
  Returns:
  
  the job name
- getJobDescription
  
  public String getJobDescription()
  
  Gets the description of what this job does.
  
  Specified by:
  
  getJobDescription in interface BankingJob
  
  Returns:
  
  the job description