Package net.shibboleth.shared.spring.expression

Class SpringExpressionBiFunction<T,U,V>

java.lang.Object

net.shibboleth.shared.spring.expression.AbstractSpringExpressionEvaluator

net.shibboleth.shared.spring.expression.SpringExpressionBiFunction<T,U,V>

Type Parameters:

T - first input type

U - second input type

V - return type

All Implemented Interfaces:

BiFunction<T,U,V>

public class SpringExpressionBiFunction<T,U,V>
extends AbstractSpringExpressionEvaluator
implements BiFunction<T,U,V>

Predicate whose condition is defined by an Spring EL expression.

Since:

6.1.0

Field Summary

Fields

Modifier and Type	Field	Description
private Pair<Class<T>,Class<U>>	inputTypes	Input types.
private final org.slf4j.Logger	log	Class logger.

Constructor Summary

Constructors

Constructor	Description
SpringExpressionBiFunction(String expression)	Constructor.

Method Summary

Modifier and Type	Method	Description
V	apply(T first, U second)
Pair<Class<T>,Class<U>>	getInputTypes()	Get the input type to be enforced.
protected void	prepareContext(EvaluationContext context, Object... input)	Pre-process the script context before execution.
void	setInputTypes(Pair<Class<T>,Class<U>> types)	Set the input types to be enforced.
void	setOutputType(Class<?> type)	Set the output type to be enforced.
void	setReturnOnError(Object value)	Set value to return if an error occurs.

Methods inherited from class net.shibboleth.shared.spring.expression.AbstractSpringExpressionEvaluator

evaluate, getCustomObject, getOutputType, getReturnOnError, setCustomObject, setHideExceptions

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.BiFunction

andThen

Field Details

log

@Nonnull
private final org.slf4j.Logger log

Class logger.

inputTypes

@Nullable
private Pair<Class<T>,Class<U>> inputTypes

Input types.

Constructor Details

SpringExpressionBiFunction

public SpringExpressionBiFunction(@Nonnull @NotEmpty @ParameterName(name="expression")
 String expression)

Constructor.

Parameters:

expression - the expression to evaluate

Method Details

getInputTypes

@Nullable
public Pair<Class<T>,Class<U>> getInputTypes()

Get the input type to be enforced.

Returns:

input type

setInputTypes

public void setInputTypes(@Nullable
 Pair<Class<T>,Class<U>> types)

Set the input types to be enforced.

Parameters:

types - the input types

setOutputType

public void setOutputType(@Nullable
 Class<?> type)

Set the output type to be enforced.

Overrides:

setOutputType in class AbstractSpringExpressionEvaluator

Parameters:

type - output type

setReturnOnError

public void setReturnOnError(@Nullable
 Object value)

Set value to return if an error occurs.

Overrides:

setReturnOnError in class AbstractSpringExpressionEvaluator

Parameters:

value - value to return

apply

@Nullable
public V apply(@Nullable
 T first,
 @Nullable
 U second)

Specified by:

apply in interface BiFunction<T,U,V>

prepareContext

protected void prepareContext(@Nonnull
 EvaluationContext context,
 @Nullable
 Object... input)

Pre-process the script context before execution.

Specified by:

prepareContext in class AbstractSpringExpressionEvaluator

Parameters:

context - the expression context

input - the inputs