ObjectType (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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org.drools.spi
Interface ObjectType

All Superinterfaces:: Serializable

All Known Implementing Classes:: ClassObjectType, FactTemplateObjectType

public interface ObjectType
extends Serializable
extends Serializable

Semantic object type differentiator.

Author:: bob mcwhirter
See Also:: Declaration

Method Summary

Object getShadow(Object fact)
          If shadow facts are enabled, returns the shadow fact, otherwise returns null

ValueType getValueType()


boolean isShadowEnabled()
          Returns true in case shadow facts are enabled

boolean matches(Object object)
          Determine if the passed Object belongs to the object type defined by this objectType instance.

Method Summary
`Object`	`getShadow(Object fact)` If shadow facts are enabled, returns the shadow fact, otherwise returns null
`ValueType`	`getValueType()`
`boolean`	`isShadowEnabled()` Returns true in case shadow facts are enabled
`boolean`	`matches(Object object)` Determine if the passed `Object` belongs to the object type defined by this `objectType` instance.

Method Detail

matches

boolean matches(Object object)

Determine if the passed Object belongs to the object type defined by this objectType instance.

Parameters:: object - The Object to test.
Returns:: true if the Object matches this object type, else false.

getValueType

ValueType getValueType()

getShadow

Object getShadow(Object fact)

If shadow facts are enabled, returns the shadow fact, otherwise returns null

Parameters:: fact - the fact to be shadowed
Returns:: the shadow fact for the given fact or null if shadow facts are disabled

isShadowEnabled

boolean isShadowEnabled()

Returns true in case shadow facts are enabled

Returns:: true if shadow facts are enabled, false otherwise