Package nz.org.riskscape.engine.function

Class BinaryPredicateFunction<T,U>

java.lang.Object

nz.org.riskscape.engine.function.BinaryPredicateFunction<T,U>

Type Parameters:

T - the type of the lhs of the predicate

U - the type of the rhs of the predicate

All Implemented Interfaces:

AutoCloseable, RiskscapeFunction, UntypedFunction

public class BinaryPredicateFunction<T,U>
extends Object
implements RiskscapeFunction

Convenience for adding RiskscapeFunction metadata to a java BiPredicate function

Field Summary

Fields inherited from interface nz.org.riskscape.engine.function.RiskscapeFunction

BUILT_IN

Constructor Summary

Constructors

Constructor	Description
BinaryPredicateFunction(TokenTypes operation, Class<T> lhsJavaType, Type lhsType, Class<U> rhsJavaType, Type rhsType, BiPredicate<T,U> predicate)

Method Summary

Modifier and Type	Method	Description
Object	call(List<Object> args)	Execute the function with the given arguments.
List<Type>	getArgumentTypes()
Class<T>	getLhsJavaType()
Type	getLhsType()
TokenTypes	getOperation()
BiPredicate<T,U>	getPredicate()
Type	getReturnType()
Class<U>	getRhsJavaType()
Type	getRhsType()
String	toString()
static <T> BinaryPredicateFunction<T,T>	uniform(TokenTypes operation, Type type, Class<T> javaType, BiPredicate<T,T> predicate)
static BinaryPredicateFunction<Object,Object>	untyped(TokenTypes operation, Type lhs, Type rhs, BiPredicate<Object,Object> predicate)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface nz.org.riskscape.engine.function.RiskscapeFunction

builtin, getAggregationFunction, getArguments, getOverloaded, getRealizable, getTypesFromArguments, identified, identified, isA, setProblemReporter, validate

Methods inherited from interface nz.org.riskscape.engine.function.UntypedFunction

close

Constructor Details

BinaryPredicateFunction

public BinaryPredicateFunction(TokenTypes operation,
 Class<T> lhsJavaType,
 Type lhsType,
 Class<U> rhsJavaType,
 Type rhsType,
 BiPredicate<T,U> predicate)

Method Details

untyped

public static BinaryPredicateFunction<Object,Object> untyped(TokenTypes operation,
 Type lhs,
 Type rhs,
 BiPredicate<Object,Object> predicate)

uniform

public static <T> BinaryPredicateFunction<T,T> uniform(TokenTypes operation,
 Type type,
 Class<T> javaType,
 BiPredicate<T,T> predicate)

call

public Object call(List<Object> args)

Description copied from interface: UntypedFunction

Execute the function with the given arguments.

Specified by:

call in interface UntypedFunction

Parameters:

args - list of arguments to the function that should conform to the types in ArgumentList.getArgumentTypes()

toString

public String toString()

Overrides:

toString in class Object

getOperation

public TokenTypes getOperation()

getPredicate

public BiPredicate<T,U> getPredicate()

getLhsJavaType

public Class<T> getLhsJavaType()

getRhsJavaType

public Class<U> getRhsJavaType()

getArgumentTypes

public List<Type> getArgumentTypes()

Specified by:

getArgumentTypes in interface RiskscapeFunction

Returns:

the types that this function expects

getLhsType

public Type getLhsType()

getRhsType

public Type getRhsType()

getReturnType

public Type getReturnType()

Specified by:

getReturnType in interface RiskscapeFunction

Returns:

the type that this function should return