Package org.apache.calcite.adapter.enumerable

Class ReflectiveCallNotNullImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.ReflectiveCallNotNullImplementor

All Implemented Interfaces:

NotNullImplementor

public class ReflectiveCallNotNullImplementor
extends java.lang.Object
implements NotNullImplementor

Implementation of NotNullImplementor that calls a given Method.

When method is not static, a new instance of the required class is created.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.reflect.Method	method

Constructor Summary

Constructors

Constructor	Description
ReflectiveCallNotNullImplementor(java.lang.reflect.Method method)	Constructor of ReflectiveCallNotNullImplementor

Method Summary

Modifier and Type	Method	Description
Expression	implement(RexToLixTranslator translator, RexCall call, java.util.List<Expression> translatedOperands)	Implements a call with assumption that all the null-checking is implemented by caller.

Methods inherited from class java.lang.Object

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

Field Detail

method

protected final java.lang.reflect.Method method

Constructor Detail

ReflectiveCallNotNullImplementor

public ReflectiveCallNotNullImplementor(java.lang.reflect.Method method)

Constructor of ReflectiveCallNotNullImplementor

Parameters:

method - method that is used to implement the call

Method Detail

implement

public Expression implement(RexToLixTranslator translator,
                            RexCall call,
                            java.util.List<Expression> translatedOperands)

Description copied from interface: NotNullImplementor

Implements a call with assumption that all the null-checking is implemented by caller.

Specified by:

implement in interface NotNullImplementor

Parameters:

translator - translator to implement the code

call - call to implement

translatedOperands - arguments of a call

Returns:

expression that implements given call