com.espertech.esper.util

Class SimpleTypeCasterAnyType

java.lang.Object

com.espertech.esper.util.SimpleTypeCasterAnyType

All Implemented Interfaces:

SimpleTypeCaster

public class SimpleTypeCasterAnyType
extends java.lang.Object
implements SimpleTypeCaster

Cast implementation for non-numeric values that caches allowed casts assuming there is a small set of casts allowed.

Constructor Summary

Constructors

Constructor and Description
SimpleTypeCasterAnyType(java.lang.Class typeToCastTo) Ctor.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	cast(java.lang.Object object) Casts an object to another type, typically for numeric types.
CodegenExpression	codegen(CodegenExpression input, java.lang.Class inputType, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope)
boolean	isNumericCast() Returns true to indicate that the cast target type is numeric.
static java.lang.Object	simpleTypeCasterCast(java.lang.Object object, java.lang.Class typeToCastTo, java.util.concurrent.CopyOnWriteArraySet<Pair<java.lang.Class,java.lang.Boolean>> pairs) NOTE: Code-generation-invoked method, method name and parameter order matters

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleTypeCasterAnyType

public SimpleTypeCasterAnyType(java.lang.Class typeToCastTo)

Ctor.

Parameters:

typeToCastTo - is the target type

Method Detail

isNumericCast

public boolean isNumericCast()

Description copied from interface: SimpleTypeCaster

Returns true to indicate that the cast target type is numeric.

Specified by:

isNumericCast in interface SimpleTypeCaster

Returns:

true for numeric cast

simpleTypeCasterCast

public static java.lang.Object simpleTypeCasterCast(java.lang.Object object,
                                                    java.lang.Class typeToCastTo,
                                                    java.util.concurrent.CopyOnWriteArraySet<Pair<java.lang.Class,java.lang.Boolean>> pairs)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

object - to cast

typeToCastTo - target

pairs - cache

Returns:

null or object

cast

public java.lang.Object cast(java.lang.Object object)

Description copied from interface: SimpleTypeCaster

Casts an object to another type, typically for numeric types.

May performs a compatibility check and returns null if not compatible.

Specified by:

cast in interface SimpleTypeCaster

Parameters:

object - to cast

Returns:

casted or transformed object, possibly the same, or null if the cast cannot be made

codegen

public CodegenExpression codegen(CodegenExpression input,
                                 java.lang.Class inputType,
                                 CodegenMethodScope codegenMethodScope,
                                 CodegenClassScope codegenClassScope)

Specified by:

codegen in interface SimpleTypeCaster