package book.stock;
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import java.math.BigDecimal;
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import foundation.data.entity.Entity;
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import foundation.util.Util;
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public class QtyCommand {
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private boolean doNothing;
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private BigDecimal addOperator;
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private BigDecimal deleteOperator;
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private BigDecimal freezeOperator;
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private BigDecimal unfreezeOperator;
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public QtyCommand() {
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doNothing = true;
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}
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public void load(Entity entity) {
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addOperator = parseOneValue(entity.getString("qty_add"));
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deleteOperator = parseOneValue(entity.getString("qty_delete"));
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freezeOperator = parseOneValue(entity.getString("qty_freeze"));
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unfreezeOperator = parseOneValue(entity.getString("qty_unfreeze"));
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doNothing = (addOperator == null) && (deleteOperator == null) && (freezeOperator == null) && (unfreezeOperator == null);
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}
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private BigDecimal parseOneValue(String value) {
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if (Util.isEmpty(value)) {
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return null;
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}
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if ("-".equalsIgnoreCase(value)) {
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return BigDecimal.valueOf(-1);
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}
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return BigDecimal.valueOf(1);
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}
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public boolean isDoNothing() {
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return doNothing;
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}
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public boolean isSetAdd() {
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return addOperator != null;
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}
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public boolean isSetDelete() {
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return deleteOperator != null;
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}
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public boolean isSetFreeze() {
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return freezeOperator != null;
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}
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public boolean isSetUnfreeze() {
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return unfreezeOperator != null;
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}
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public BigDecimal getAddOperator() {
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return addOperator;
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}
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public BigDecimal getDeleteOperator() {
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return deleteOperator;
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}
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public BigDecimal getFreezeOperator() {
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return freezeOperator;
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}
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public BigDecimal getUnfreezeOperator() {
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return unfreezeOperator;
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}
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}
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