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java.lang.Objectorg.zkoss.pivot.impl.AbstractCalculator
public abstract class AbstractCalculator
The minimal implemenation of Calculator
Constructor Summary | |
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AbstractCalculator(java.lang.String type)
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Method Summary | |
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abstract java.lang.Number |
calculate(java.util.Collection<java.lang.Object> data)
Returns a calculated number for each data cell. |
java.lang.String |
getType()
This is the key to identify whether two Calculator carry the same behavior so they can be cascaded. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AbstractCalculator(java.lang.String type)
Method Detail |
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public abstract java.lang.Number calculate(java.util.Collection<java.lang.Object> data)
Calculator
calculate
in interface Calculator
public java.lang.String getType()
Calculator
getType
in interface Calculator
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