com.alibaba.qlexpress4.runtime

Class QLambdaEmpty

java.lang.Object

com.alibaba.qlexpress4.runtime.QLambdaEmpty

All Implemented Interfaces:

QLambda, java.lang.Runnable, java.util.function.Consumer<java.lang.Object>, java.util.function.Function<java.lang.Object,java.lang.Object>, java.util.function.Predicate<java.lang.Object>, java.util.function.Supplier<java.lang.Object>

public class QLambdaEmpty
extends java.lang.Object
implements QLambda

Author: DQinYuan

Field Summary

Fields

Modifier and Type	Field and Description
static QLambda	INSTANCE

Constructor Summary

Constructors

Constructor and Description
QLambdaEmpty()

Method Summary

Modifier and Type	Method and Description
QResult	call(java.lang.Object... params)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.alibaba.qlexpress4.runtime.QLambda

accept, apply, get, getFunctionDefined, run, test

Methods inherited from interface java.util.function.Consumer

andThen

Methods inherited from interface java.util.function.Predicate

and, isEqual, negate, or

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Field Detail

INSTANCE

public static QLambda INSTANCE

Constructor Detail

QLambdaEmpty

public QLambdaEmpty()

Method Detail

call

public QResult call(java.lang.Object... params)
             throws java.lang.Throwable

Specified by:

call in interface QLambda

Parameters:

params - params of lambda

Returns:

result of lambda

Throws:

java.lang.Throwable - UserDefineException for custom error message