33 lines
1.2 KiB
Java
33 lines
1.2 KiB
Java
package net.sf.jasperreports.engine.fill;
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class JRIntegerCountIncrementer extends JRAbstractExtendedIncrementer {
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private static JRIntegerCountIncrementer mainInstance = new JRIntegerCountIncrementer();
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public static JRIntegerCountIncrementer getInstance() {
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return mainInstance;
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}
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public Object increment(JRCalculable variable, Object expressionValue, AbstractValueProvider valueProvider) {
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Number value = (Number)variable.getIncrementedValue();
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if (value == null || variable.isInitialized())
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value = JRIntegerIncrementerFactory.ZERO;
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if (expressionValue == null)
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return value;
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return new Integer(value.intValue() + 1);
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}
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public Object combine(JRCalculable calculable, JRCalculable calculableValue, AbstractValueProvider valueProvider) {
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Number value = (Number)calculable.getIncrementedValue();
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Number combineValue = (Number)calculableValue.getValue();
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if (value == null || calculable.isInitialized())
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value = JRIntegerIncrementerFactory.ZERO;
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if (combineValue == null)
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return value;
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return new Integer(value.intValue() + combineValue.intValue());
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}
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public Object initialValue() {
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return JRIntegerIncrementerFactory.ZERO;
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}
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}
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