25 lines
897 B
Java
25 lines
897 B
Java
package net.sf.jasperreports.engine.fill;
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class JRIntegerAverageIncrementer extends JRAbstractExtendedIncrementer {
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private static JRIntegerAverageIncrementer mainInstance = new JRIntegerAverageIncrementer();
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public static JRIntegerAverageIncrementer 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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if (expressionValue == null) {
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if (variable.isInitialized())
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return null;
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return variable.getValue();
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}
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Number countValue = (Number)valueProvider.getValue(variable.getHelperVariable((byte)0));
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Number sumValue = (Number)valueProvider.getValue(variable.getHelperVariable((byte)1));
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return new Integer(sumValue.intValue() / countValue.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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