Class Quotient
- java.lang.Object
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- org.apache.jena.reasoner.rulesys.builtins.BaseBuiltin
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- org.apache.jena.reasoner.rulesys.builtins.Quotient
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- All Implemented Interfaces:
Builtin
public class Quotient extends BaseBuiltin
Bind the third arg to the ratio of the first two args. If the arguments are integers then the result will be truncated to an integer.
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Field Summary
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Fields inherited from class org.apache.jena.reasoner.rulesys.builtins.BaseBuiltin
BASE_URI
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Constructor Summary
Constructors Constructor Description Quotient()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
bodyCall(Node[] args, int length, RuleContext context)
This method is invoked when the builtin is called in a rule body.int
getArgLength()
Return the expected number of arguments for this functor or 0 if the number is flexible.java.lang.String
getName()
Return a name for this builtin, normally this will be the name of the functor that will be used to invoke it.-
Methods inherited from class org.apache.jena.reasoner.rulesys.builtins.BaseBuiltin
checkArgs, getArg, getURI, headAction, isMonotonic, isSafe
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Method Detail
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getName
public java.lang.String getName()
Return a name for this builtin, normally this will be the name of the functor that will be used to invoke it.
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getArgLength
public int getArgLength()
Return the expected number of arguments for this functor or 0 if the number is flexible.- Specified by:
getArgLength
in interfaceBuiltin
- Overrides:
getArgLength
in classBaseBuiltin
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bodyCall
public boolean bodyCall(Node[] args, int length, RuleContext context)
This method is invoked when the builtin is called in a rule body.- Specified by:
bodyCall
in interfaceBuiltin
- Overrides:
bodyCall
in classBaseBuiltin
- Parameters:
args
- the array of argument values for the builtin, this is an array of Nodes, some of which may be Node_RuleVariables.length
- the length of the argument list, may be less than the length of the args array for some rule enginescontext
- an execution context giving access to other relevant data- Returns:
- return true if the buildin predicate is deemed to have succeeded in the current environment
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