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design pattern updated : singleton, cor and mediator
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Lines changed: 646 additions & 152 deletions

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‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/RuleApplyDiscountHappyHour.java‎

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import davidhxxx.teach.designpattern.cor.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.common.InputForDiscountRules;
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public class RuleApplyDiscountHappyHour extends AbstractRule {
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public class RuleApplyDiscountHappyHour extends AbstractRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (applyDiscountWhenHappyHour(inputDataForDiscountRules)) {

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/RuleApplyDiscountMore4OrdersInOneMonth.java‎

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import davidhxxx.teach.designpattern.cor.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.common.InputForDiscountRules;
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public class RuleApplyDiscountMore4OrdersInOneMonth extends AbstractRule {
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public class RuleApplyDiscountMore4OrdersInOneMonth extends AbstractRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (applyDiscountWhenMore4OrdersInOneMonth(inputDataForDiscountRules)) {

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/RuleApplyDiscountOrderMore100Euros.java‎

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import davidhxxx.teach.designpattern.cor.common.InputForDiscountRules;
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import davidhxxx.teach.designpattern.cor.common.Order;
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public class RuleApplyDiscountOrderMore100Euros extends AbstractRule {
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public class RuleApplyDiscountOrderMore100Euros extends AbstractRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (applyDiscountWhenOrderMore100Euros(inputDataForDiscountRules)) {

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/RuleApplyDiscountOrderMore200Euros.java‎

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import davidhxxx.teach.designpattern.cor.common.InputForDiscountRules;
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import davidhxxx.teach.designpattern.cor.common.Order;
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7-
public class RuleApplyDiscountOrderMore200Euros extends AbstractRule {
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public class RuleApplyDiscountOrderMore200Euros extends AbstractRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (applyDiscountWhenOrderMore200Euros(inputDataForDiscountRules)) {

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/common/AbstractRule.java‎

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@@ -13,7 +13,7 @@ public boolean applyNextRuleIfExist(InputForDiscountRules inputDataForDiscountRu
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return this.nextRule.apply(inputDataForDiscountRules);
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}
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return true;
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return false;
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}
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}

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/improved/RuleApplyDiscountFirstOrder.java‎

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package davidhxxx.teach.designpattern.cor.improved;
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import davidhxxx.teach.designpattern.cor.improved.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.improved.common.IDiscountRule;
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import davidhxxx.teach.designpattern.cor.improved.common.InputForDiscountRules;
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public class RuleApplyDiscountFirstOrder extends AbstractRule implements IDiscountRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (inputDataForDiscountRules.isFirstOrder()) {
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inputDataForDiscountRules.getOrder().applyDiscountInPrct(0.075F);
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return true;
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}
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return false;
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}
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public float getPrctDiscount() {
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return 0.075F;
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}
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}

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/improved/RuleApplyDiscountFirstOrderAndMore200Euros.java‎

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package davidhxxx.teach.designpattern.cor.improved;
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import davidhxxx.teach.designpattern.cor.improved.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.improved.common.IDiscountRule;
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import davidhxxx.teach.designpattern.cor.improved.common.InputForDiscountRules;
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import davidhxxx.teach.designpattern.cor.improved.common.Order;
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public class RuleApplyDiscountFirstOrderAndMore200Euros extends AbstractRule implements IDiscountRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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Order order = inputDataForDiscountRules.getOrder();
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if (inputDataForDiscountRules.isFirstOrder() && order.getPriceTotal() > 200) {
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order.applyDiscountInPrct(0.25F);
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return true;
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}
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return false;
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}
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public float getPrctDiscount() {
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return 0.28F;
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}
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}

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/improved/RuleApplyDiscountHappyHour.java‎

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package davidhxxx.teach.designpattern.cor.improved;
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import davidhxxx.teach.designpattern.cor.improved.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.improved.common.IDiscountRule;
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import davidhxxx.teach.designpattern.cor.improved.common.InputForDiscountRules;
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public class RuleApplyDiscountHappyHour extends AbstractRule implements IDiscountRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (inputDataForDiscountRules.isHappyHour()) {
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inputDataForDiscountRules.getOrder().applyDiscountInPrct(0.05F);
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return true;
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}
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return false;
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}
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public float getPrctDiscount() {
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return 0.05F;
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}
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}

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/improved/RuleApplyDiscountMore4OrdersInOneMonth.java‎

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package davidhxxx.teach.designpattern.cor.improved;
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import davidhxxx.teach.designpattern.cor.improved.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.improved.common.IDiscountRule;
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import davidhxxx.teach.designpattern.cor.improved.common.InputForDiscountRules;
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import davidhxxx.teach.designpattern.cor.improved.common.Order;
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public class RuleApplyDiscountMore4OrdersInOneMonth extends AbstractRule implements IDiscountRule {
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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if (inputDataForDiscountRules.getOrderCountInOneMonth() > 4) {
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inputDataForDiscountRules.getOrder().applyDiscountInPrct(0.15F);
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return true;
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}
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return false;
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}
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public float getPrctDiscount() {
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return 0.15F;
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}
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}

‎design-patterns/src/main/java/davidhxxx/teach/designpattern/cor/improved/RuleApplyDiscountOrderMore100Euros.java‎

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package davidhxxx.teach.designpattern.cor.improved;
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import davidhxxx.teach.designpattern.cor.improved.common.AbstractRule;
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import davidhxxx.teach.designpattern.cor.improved.common.IDiscountRule;
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import davidhxxx.teach.designpattern.cor.improved.common.InputForDiscountRules;
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import davidhxxx.teach.designpattern.cor.improved.common.Order;
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public class RuleApplyDiscountOrderMore100Euros extends AbstractRule implements IDiscountRule{
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public boolean apply(InputForDiscountRules inputDataForDiscountRules) {
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Order order = inputDataForDiscountRules.getOrder();
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if (order.getPriceTotal() > 100) {
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order.applyDiscountInPrct(0.1F);
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return true;
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}
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return false;
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}
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public float getPrctDiscount() {
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return 0.1F;
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}
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}

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