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java.lang.Object com.singularsys.jep.EmptyOperatorTable com.singularsys.jep.OperatorTable2 com.singularsys.jep.misc.nullwrapper.NullWrappingOperatorTable
public class NullWrappingOperatorTable
An operator table where the operators generally return null if either argument is null.
NullSafeEquals
,
Serialized FormNested Class Summary | |
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static class |
NullWrappingOperatorTable.NullWrapperOperators
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Nested classes/interfaces inherited from class com.singularsys.jep.OperatorTable2 |
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OperatorTable2.BasicOperators, OperatorTable2.PsudoOperators, OperatorTable2.SpecialOperators |
Nested classes/interfaces inherited from class com.singularsys.jep.EmptyOperatorTable |
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EmptyOperatorTable.OperatorKey |
Constructor Summary | |
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NullWrappingOperatorTable(OperatorTable2 root,
boolean hasNullSafeEquals)
Create a new operator table which wraps all the existing operators in the original table. |
Method Summary | |
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protected PostfixMathCommandI |
wrapSpecialOperators(EmptyOperatorTable.OperatorKey key,
Operator op)
Special handling for operators. |
Methods inherited from class com.singularsys.jep.OperatorTable2 |
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getAdd, getAnd, getAssign, getCross, getDivide, getDot, getEle, getEQ, getGE, getGT, getLE, getList, getLT, getMod, getMultiply, getNE, getNop, getNot, getOr, getPower, getRange, getSubtract, getUDivide, getUMinus, getUPlus |
Methods inherited from class com.singularsys.jep.EmptyOperatorTable |
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addOperator, addOperator, appendOperator, entrySet, getKey, getLightWeightInstance, getNumOps, getOperator, getOperators, getOperatorsByName, getOperatorsBySymbol, init, insertOperator, keySet, removeOperator, removeOperator, replaceOperator, replaceOperator, setBinaryInverseOp, setDistributiveOver, setInverseOp, setPrecedenceTable, setRootOp, setStandardOperatorRelations, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public NullWrappingOperatorTable(OperatorTable2 root, boolean hasNullSafeEquals)
root
- the original operator tablehasNullSafeEquals
- if true adds a NullSafeEquals operator "<=>" to the tableMethod Detail |
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protected PostfixMathCommandI wrapSpecialOperators(EmptyOperatorTable.OperatorKey key, Operator op)
key
- op
-
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