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

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org.drools.facttemplates
Class FactTemplateImpl

java.lang.Object
  org.drools.facttemplates.FactTemplateImpl

All Implemented Interfaces:: Serializable, FactTemplate

public class FactTemplateImpl
extends Object
implements FactTemplate
extends Object
implements FactTemplate

Author:: Peter Lin Deftemplate is equivalent to CLIPS deftemplate
Some general design notes about the current implementation. In the case where a class is declared to create the deftemplate, the order of the slots are based on java Introspection. In the case where an user declares the deftemplate from console or directly, the order is the same as the string equivalent. The current implementation does not address redeclaring a deftemplate for a couple of reasons. The primary one is how does it affect the existing RETE nodes. One possible approach is to always add new slots to the end of the deftemplate and ignore the explicit order. Another is to recompute the deftemplate, binds and all nodes. The second approach is very costly and would make redeclaring a deftemplate undesirable.
See Also:: Serialized Form

Constructor Summary

FactTemplateImpl(Package pkg, String name, FieldTemplate[] fields)


Method Summary

Fact createFact(long id)
          Method takes a list of Slots and creates a deffact from it.

boolean equals(Object object)


FieldTemplate[] getAllFieldTemplates()
          Return all the slots

FieldTemplate getFieldTemplate(int index)
          get the Slot at the given pattern id

FieldTemplate getFieldTemplate(String name)
          A convienance method for finding the slot matching the String name.

int getFieldTemplateIndex(String name)
          Look up the pattern index of the slot

String getName()
          the template name is an alias for an object

int getNumberOfFields()
          Return the number of slots in the deftemplate

Package getPackage()


int hashCode()


String toString()
          Method will return a string format with the int type code for the slot type

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Summary
`FactTemplateImpl(Package pkg, String name, FieldTemplate[] fields)`

Method Summary
`Fact`	`createFact(long id)` Method takes a list of Slots and creates a deffact from it.
`boolean`	`equals(Object object)`
`FieldTemplate[]`	`getAllFieldTemplates()` Return all the slots
`FieldTemplate`	`getFieldTemplate(int index)` get the Slot at the given pattern id
`FieldTemplate`	`getFieldTemplate(String name)` A convienance method for finding the slot matching the String name.
`int`	`getFieldTemplateIndex(String name)` Look up the pattern index of the slot
`String`	`getName()` the template name is an alias for an object
`int`	`getNumberOfFields()` Return the number of slots in the deftemplate
`Package`	`getPackage()`
`int`	`hashCode()`
`String`	`toString()` Method will return a string format with the int type code for the slot type

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail