com.alibaba.qlexpress4.runtime.instruction

Class OperatorInstruction

java.lang.Object

com.alibaba.qlexpress4.runtime.instruction.QLInstruction

com.alibaba.qlexpress4.runtime.instruction.OperatorInstruction

public class OperatorInstruction
extends QLInstruction

Operation: do middle operator +=,>>,>>>,<<,. Input: 2 Output: 1, operator result

Author: DQinYuan

Field Summary

Fields inherited from class com.alibaba.qlexpress4.runtime.instruction.QLInstruction

errorReporter

Constructor Summary

Constructors

Constructor and Description
OperatorInstruction(ErrorReporter errorReporter, BinaryOperator operator, java.lang.Integer traceKey)

Method Summary

Modifier and Type	Method and Description
QResult	execute(QContext qContext, QLOptions qlOptions)
BinaryOperator	getOperator()
void	println(int index, int depth, java.util.function.Consumer<java.lang.String> debug)
int	stackInput()
int	stackOutput()

Methods inherited from class com.alibaba.qlexpress4.runtime.instruction.QLInstruction

getErrorReporter

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorInstruction

public OperatorInstruction(ErrorReporter errorReporter,
                           BinaryOperator operator,
                           java.lang.Integer traceKey)

Method Detail

execute

public QResult execute(QContext qContext,
                       QLOptions qlOptions)

Specified by:

execute in class QLInstruction

stackInput

public int stackInput()

Specified by:

stackInput in class QLInstruction

Returns:

input size

stackOutput

public int stackOutput()

Specified by:

stackOutput in class QLInstruction

Returns:

output size

println

public void println(int index,
                    int depth,
                    java.util.function.Consumer<java.lang.String> debug)

Specified by:

println in class QLInstruction

getOperator

public BinaryOperator getOperator()