ACCOUNTING PATTERNS potx

#EEQWPVKPI2CVVGTPU System Events Accounting Entries Event process(Event) Processor Accounting Entry reads creates process() findAgreement(Event) Event Accounting Entry creates process(Event) Agreement find process() findAgreement(Event) Event Accounting Entry creates getRule(EventType) Agreement find Event Type ✻ 1 process(Event) Posting Rule ✻ 1 ✻ 1 process() findAgreement(Event) Event Accounting Entry creates getRule(EventType, Date) Agreement find Event Type ✻ 1 process(Event) effectivity: Date Range Posting Rule ✻ 1 ✻ 1 Accounting Event replacement adjusted event 0 1 0 1 Adjustment Accounting Event old events ✻ 0 1 old events ✻ 0 1 Event Accounting Entry ✻ 1 source [...]... G H Q J Y M [ P C O Q U F G U W T G O Q V U W E   PostingRule AccountingEvent process(AccountingEvent) calculateAmount(AccountingEvent) UsageEvent amount : Quantity {type = USAGE} MultiplyByRatePR calculateAmount(AccountingEvent) G ICU W IP KVCN WENCE G JV TQH FGF GGP GN WT I PKVU QR FPC V PGX G HQ UGU UCNEDW 5  GTWI K( class AccountingEvent { public void process() { findRule().process(this);...    G T W IK ( 1 Accounting Event ✻ ✻ Customer Entry 1 1 1 ✻ ✻ ´ createsª Event Type Service Agreement event type date ✻ Posting Rule 1 host event type accounting entry posting rule Posting Rule   class AccountingEvent { private EventType _type; private MfDate _whenOccurred; private MfDate _whenNoticed; private Customer _customer; private Set resultingEntries = new HashSet(); AccountingEvent (EventType... type) { this.type = type; } private void makeEntry(AccountingEvent evt, Money amount) { Entry newEntry = new Entry (amount, evt.getWhenNoticed(), type); evt.getCustomer().addEntry(newEntry); evt.addResultingEntry(newEntry); } public void process (AccountingEvent evt) { makeEntry(evt, calculateAmount(evt)); } abstract protected Money calculateAmount(AccountingEvent evt); } GXCJGD UGUUCNE GJV YQ* C U... G J E [ O O Q T H    Y C T F J VK Y +  G N R O C Z ' when booked : DateTime amount: Money ✻ ✻ descriptor Accounting Entry [G PQO HQ OW U C HQ P QKVCEQ NNC P# #EEQWPVKPI 'PVT[  UTQVRKTEUGF UC GR[V VUQE FPC VEGLQT2  GTWI K( 1 Project ✻ Entry Cost Type 1 ✻ accounting entry descriptors Accounting Entry     G T W I K ( PK U C U R K JU P Q KV C N GT GV CT C R GU U C GU G J V Y Q JU F N W Q... P Q E G J V PK P QK V TGU U C G JV Q U PQ KUT WE GT U UG NFP G P C [ D VJ IW CE V GI Q V N WH PK CR FP C [U C G [T CN WE K VTC R U•V + class TaxEvent extends MonetaryEvent { private AccountingEvent base; public TaxEvent(AccountingEvent base, Money taxableAmount) { super (taxableAmount, EventType.TAX, base.getWhenOccurred(), base.getWhenNoticed(), base.getCustomer()); this.base = base; Assert.isFalse("Probable... W T I P KV U Q R G J V F P C V P G X G G J V G X C J G Y Y Q P Q 5 class MultiplyByRatePR extends PostingRule{ public MultiplyByRatePR (EntryType type) { super(type); } protected Money calculateAmount(AccountingEvent evt) { Usage usageEvent = (Usage) evt; return Money.dollars(usageEvent.getAmount().getAmount() * usageEvent.getRate()); } }  G V C T [ D U GK N R K V N W O V C J V G N W T I P K V U Q... P K H G F G Y Q F G Y P G J Y V W D U U C N E D W U C F G G P U [ C YN C V• P Q F G 9  C V C F NCPQKVKFFC FGGP GY PGJY PQOOQE GVKWS UK VPGX' IPKVPWQEE# HQ UGUUCNEDWU IPKMC/ public class Usage extends AccountingEvent { private Quantity amount; public Usage(Quantity amount, MfDate whenOccurred, MfDate whenNoticed, Customer customer) { super(EventType.USAGE, whenOccurred, whenNoticed, customer); this.amount... G O QU P K GI PC JE J EC G FT Q EGT Q V FG GP W Q [ T G XG P GJ Y U G KT V P G GU W F N WQ JU W Q ;  VPGXG TCNWEKVTCR C [D FGVCGTE GTGY UGKTVPG JEKJY NNGV PCE WQ[ VCJV IPKTWUP'  GTWIK( 1 ✻ Event Accounting Entry source  U G U Q R T W R I PK V T Q R G T V U W L P C J V G T Q O T Q H M P K N H Q F P K M U K J V F G G P N N • W Q [  VPGOVUWLF# NCUTGXG4 IPKUW GTC WQ[ H+ FGFFC [TVPG UKJV UCY [JY... multiply by rate posting rule   VP GXG [ T CV G P Q O C Q V C N W O T QH G N R OK U C U GK N R R C V C J V G P Q EK T G P G I C U K G N W T I P K V U Q R G J V [ N T CN K OK 5 public void testService() { AccountingEvent evt = new MonetaryEvent( Money.dollars(40), EventType.SERVICE_CALL, new MfDate(1999, 10, 5), new MfDate(1999, 10, 5), acm); evt.process(); Entry resultingEntry = (Entry) acm.getEntries().get(0);... D F N W Q E U U C N E UK J 6  [ G P Q O H Q V P W Q O C P C U F T Q E G T V U WL V C J V V P G X G [ T C V G P Q O GN R OK U C U K U U CN E D W U V P G X G G JV G EK V Q 0 class MonetaryEvent extends AccountingEvent { Money amount; MonetaryEvent(Money amount, EventType type, mf.MfDate whenOccurred, mf.MfDate whenNoticed, Customer customer) { super(type, whenOccurred, whenNoticed, customer); this.amount . #EEQWPVKPI2CVVGTPU System Events Accounting Entries Event process(Event) Processor Accounting Entry reads creates process() findAgreement(Event) Event Accounting Entry creates process(Event) Agreement find process() findAgreement(Event) Event Accounting. Range Posting Rule ✻ 1 ✻ 1 Accounting Event replacement adjusted event 0 1 0 1 Adjustment Accounting Event old events ✻ 0 1 old events ✻ 0 1 Event Accounting Entry ✻ 1 source