com.espertech.esper.type

Class MinMaxTypeEnum.ComputerBigIntCoerce

java.lang.Object

com.espertech.esper.type.MinMaxTypeEnum.ComputerBigIntCoerce

All Implemented Interfaces:

MinMaxTypeEnum.Computer

Enclosing class:

MinMaxTypeEnum

public static class MinMaxTypeEnum.ComputerBigIntCoerce
extends java.lang.Object
implements MinMaxTypeEnum.Computer

Determines minimum/maximum using BigInteger.compareTo.

Constructor Summary

Constructors

Constructor and Description
ComputerBigIntCoerce(ExprEvaluator[] childNodes, SimpleNumberBigIntegerCoercer[] convertors, boolean isMax) Ctor.

Method Summary

Modifier and Type	Method and Description
static CodegenExpression	codegen(boolean max, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope, ExprNode[] nodes, SimpleNumberBigIntegerCoercer[] convertors)
java.lang.Number	execute(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) Executes child expression nodes and compares results, returning the min/max.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputerBigIntCoerce

public ComputerBigIntCoerce(ExprEvaluator[] childNodes,
                            SimpleNumberBigIntegerCoercer[] convertors,
                            boolean isMax)

Ctor.

Parameters:

childNodes - expressions

convertors - convertors to BigInteger

isMax - true if max, false if min

Method Detail

execute

public java.lang.Number execute(EventBean[] eventsPerStream,
                                boolean isNewData,
                                ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: MinMaxTypeEnum.Computer

Executes child expression nodes and compares results, returning the min/max.

Specified by:

execute in interface MinMaxTypeEnum.Computer

Parameters:

eventsPerStream - events per stream

isNewData - true if new data

exprEvaluatorContext - expression evaluation context

Returns:

result

codegen

public static CodegenExpression codegen(boolean max,
                                        CodegenMethodScope codegenMethodScope,
                                        ExprForgeCodegenSymbol exprSymbol,
                                        CodegenClassScope codegenClassScope,
                                        ExprNode[] nodes,
                                        SimpleNumberBigIntegerCoercer[] convertors)