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

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org.drools.ruleflow.core
Interface IJoin

All Superinterfaces:: INode, Serializable

All Known Implementing Classes:: Join

public interface IJoin
extends INode
extends INode

Represents a join node in a RuleFlow. A join is a special kind of node with multiple incoming connections and one outgoing connection. The type of join decides when the outgoing connections will be triggered (based on which incoming connections have been triggered).

Author:: Kris Verlaenen

Field Summary

static int TYPE_AND
          The outgoing connection of a join of this type is triggered when all its incoming connections have been triggered.

static int TYPE_UNDEFINED


static int TYPE_XOR
          The outgoing connection of a join of this type is triggered when one of its incoming connections has been triggered.

Method Summary

IConnection getTo()
          Convenience method for returning the outgoing connection of the join

int getType()
          Returns the type of the join.

void setType(int type)
          Sets the type of the join.

Methods inherited from interface org.drools.ruleflow.core.INode

getId, getIncomingConnections, getName, getOutgoingConnections, setId, setName

Field Summary
`static int`	`TYPE_AND` The outgoing connection of a join of this type is triggered when all its incoming connections have been triggered.
`static int`	`TYPE_UNDEFINED`
`static int`	`TYPE_XOR` The outgoing connection of a join of this type is triggered when one of its incoming connections has been triggered.

Method Summary
`IConnection`	`getTo()` Convenience method for returning the outgoing connection of the join
`int`	`getType()` Returns the type of the join.
`void`	`setType(int type)` Sets the type of the join.

Methods inherited from interface org.drools.ruleflow.core.INode
`getId, getIncomingConnections, getName, getOutgoingConnections, setId, setName`

Field Detail

TYPE_UNDEFINED

static final int TYPE_UNDEFINED

See Also:: Constant Field Values

TYPE_AND

static final int TYPE_AND

The outgoing connection of a join of this type is triggered when all its incoming connections have been triggered.

See Also:: Constant Field Values

TYPE_XOR

static final int TYPE_XOR

The outgoing connection of a join of this type is triggered when one of its incoming connections has been triggered.

See Also:: Constant Field Values

Method Detail

setType

void setType(int type)

Sets the type of the join.

Parameters:: type - The type of the join
Throws:: IllegalArgumentException - if type is null

getType

int getType()

Returns the type of the join.

Returns:: the type of the join.

getTo

IConnection getTo()

Convenience method for returning the outgoing connection of the join

Returns:: the outgoing connection of the join