com.alibaba.qlexpress4.runtime

Class QLambdaInner

java.lang.Object

com.alibaba.qlexpress4.runtime.QLambdaInner

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 QLambdaInner
extends java.lang.Object
implements QLambda

Author: DQinYuan

Constructor Summary

Constructors

Constructor and Description
QLambdaInner(QLambdaDefinitionInner lambdaDefinition, QContext qContext, QLOptions qlOptions, boolean newEnv)

Method Summary

Modifier and Type	Method and Description
QResult	call(java.lang.Object... params)
java.util.Map<java.lang.String,CustomFunction>	getFunctionDefined(java.lang.Object... params) Get functions defined inside this lambda when invoked with parameters.

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, 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

Constructor Detail

QLambdaInner

public QLambdaInner(QLambdaDefinitionInner lambdaDefinition,
                    QContext qContext,
                    QLOptions qlOptions,
                    boolean newEnv)

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

getFunctionDefined

public java.util.Map<java.lang.String,CustomFunction> getFunctionDefined(java.lang.Object... params)
                                                                  throws java.lang.Throwable

Description copied from interface: QLambda

Get functions defined inside this lambda when invoked with parameters.

Specified by:

getFunctionDefined in interface QLambda

Parameters:

params - parameters passed to the lambda

Returns:

function table defined by the lambda (empty by default)

Throws:

java.lang.Throwable - if user code throws an exception while collecting functions