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@ -7,8 +7,12 @@ package com.todoroo.andlib.sql;
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import static com.todoroo.andlib.sql.SqlConstants.SPACE;
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import java.util.ArrayList;
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import java.util.List;
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public class Order {
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private final Object expression;
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private final List<Order> secondaryExpressions;
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private final OrderType orderType;
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private Order(Object expression) {
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@ -18,6 +22,7 @@ public class Order {
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private Order(Object expression, OrderType orderType) {
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this.expression = expression;
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this.orderType = orderType;
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this.secondaryExpressions = new ArrayList<Order>();
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}
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public static Order asc(Object expression) {
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@ -28,9 +33,26 @@ public class Order {
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return new Order(expression, OrderType.DESC);
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}
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public void addSecondaryExpression(Order secondary) {
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secondaryExpressions.add(secondary);
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}
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public void removeSecondaryExpression(Order secondary) {
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secondaryExpressions.remove(secondary);
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}
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@Override
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public String toString() {
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return expression + SPACE + orderType;
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StringBuilder sb = new StringBuilder();
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sb.append(expression.toString())
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.append(SPACE)
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.append(orderType.toString());
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for (Order secondary : secondaryExpressions) {
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sb.append(", ").append(secondary.toString()); //$NON-NLS-1$
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}
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return sb.toString();
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}
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public Order reverse() {
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