drools。drools

Drools 6包含一个跟踪输出，可以帮助您了解系统中正在发生的事情，事物执行的频率以及多少数据。

这也有助于理解Drools 6现在是基于目标的算法，它使用链接机制链接评估规则。 有关此的更多详细信息：

http://www.javacodegeeks.com/2013/11/rip-rete-time-to-get-phreaky.html

首先要做的是将slf4j记录器设置为跟踪模式：

<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender"><encoder><!-- %l lowers performance --><!--<pattern>%d [%t] %-5p %l%n  %m%n</pattern>--><pattern>%d [%t] %-5p %m%n</pattern></encoder></appender><logger name="org.drools" level="trace"/><root level="info"><!-- TODO We probably want to set default level to warn instead --><appender-ref ref="consoleAppender" /></root>
</configuration>

让我们以购物为例，您可以在这里找到Java和Drl文件：

  • https://github.com/droolsjbpm/drools/blob/master/drools-examples/src/main/resources/org/drools/examples/shopping/Shopping.drl
  • https://github.com/droolsjbpm/drools/blob/master/drools-examples/src/main/java/org/drools/examples/shopping/ShoppingExample.java

运行该示例将为输出提供非常详细且冗长的执行日志。 最初，您将看到插入的对象，这会导致链接。 在Drools 6算法链接中说明了节点和规则的链接。 总结1..n节点在插入对象时链接在一个段中。

2014-10-02 02:35:09,009 [main] TRACE Insert [fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac]
2014-10-02 02:35:09,020 [main] TRACE LinkNode notify=false nmask=1 smask=1 spos=0 rules=

然后1..n段链接到规则中。 当一个规则被链接时，它就在议程上以进行评估。

2014-10-02 02:35:09,043 [main] TRACE  LinkRule name=Discount removed notification
2014-10-02 02:35:09,043 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,043 [main] TRACE Queue Added 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]

当它最终评估规则时，它将在访问每个节点时缩进，从根到末端进行评估。 每个节点将尝试告诉您此时要插入，更新或删除多少数据。

2014-10-02 02:35:09,046 [main] TRACE Rule[name=Apply 10% discount if total purchases is over 100] segments=2 TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      1 [ AccumulateNode(12) ] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      Segment 1
2014-10-02 02:35:09,047 [main] TRACE      1 [ AccumulateNode(12) ] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      rightTuples TupleSets[insertSize=2, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,056 [main] TRACE        2 [RuleTerminalNode(13): rule=Apply 10% discount if total purchases is over 100] TupleSets[insertSize=1, deleteSize=0, updateSize=0]

您可以使用此信息来查看规则评估的频率，进行链接和取消链接的次数，传播的数据量以及更重要的是浪费了多少工作。 这是完整的日志：

2014-10-02 02:35:08,889 [main] DEBUG Starting Engine in PHREAK mode
2014-10-02 02:35:08,927 [main] TRACE Adding Rule Purchase notification
2014-10-02 02:35:08,929 [main] TRACE Adding Rule Discount removed notification
2014-10-02 02:35:08,931 [main] TRACE Adding Rule Discount awarded notification
2014-10-02 02:35:08,933 [main] TRACE Adding Rule Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,009 [main] TRACE Insert [fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac]
2014-10-02 02:35:09,020 [main] TRACE LinkNode notify=false nmask=1 smask=1 spos=0 rules=
2014-10-02 02:35:09,020 [main] TRACE   LinkSegment smask=2 rmask=2 name=Discount removed notification
2014-10-02 02:35:09,025 [main] TRACE   LinkSegment smask=2 rmask=2 name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,028 [main] TRACE LinkNode notify=true nmask=1 smask=1 spos=0 rules=[RuleMem Purchase notification], [RuleMem Discount removed notification], [RuleMem Discount awarded notification], [RuleMem Apply 10% discount if total purchases is over 100]
2014-10-02 02:35:09,028 [main] TRACE   LinkSegment smask=1 rmask=1 name=Purchase notification
2014-10-02 02:35:09,028 [main] TRACE   LinkSegment smask=1 rmask=3 name=Discount removed notification
2014-10-02 02:35:09,043 [main] TRACE  LinkRule name=Discount removed notification
2014-10-02 02:35:09,043 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,043 [main] TRACE Queue Added 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,043 [main] TRACE   LinkSegment smask=1 rmask=1 name=Discount awarded notification
2014-10-02 02:35:09,043 [main] TRACE   LinkSegment smask=1 rmask=3 name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,043 [main] TRACE  LinkRule name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,043 [main] TRACE Queue RuleAgendaItem [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,043 [main] TRACE Queue Added 2 [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,043 [main] TRACE Added Apply 10% discount if total purchases is over 100 to eager evaluation list.
2014-10-02 02:35:09,044 [main] TRACE Insert [fact 0:2:14633842:14633842:2:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Product@df4b72]
2014-10-02 02:35:09,044 [main] TRACE Insert [fact 0:3:732189840:732189840:3:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Product@2ba45490]
2014-10-02 02:35:09,044 [main] TRACE Insert [fact 0:4:939475028:939475028:4:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Purchase@37ff4054]
2014-10-02 02:35:09,045 [main] TRACE BetaNode insert=1 stagedInsertWasEmpty=true
2014-10-02 02:35:09,045 [main] TRACE LinkNode notify=true nmask=1 smask=1 spos=1 rules=[RuleMem Purchase notification]
2014-10-02 02:35:09,045 [main] TRACE   LinkSegment smask=2 rmask=3 name=Purchase notification
2014-10-02 02:35:09,045 [main] TRACE  LinkRule name=Purchase notification
2014-10-02 02:35:09,046 [main] TRACE Queue RuleAgendaItem [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,046 [main] TRACE Queue Added 1 [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,046 [main] TRACE BetaNode insert=1 stagedInsertWasEmpty=true
2014-10-02 02:35:09,046 [main] TRACE LinkNode notify=true nmask=1 smask=1 spos=1 rules=[RuleMem Apply 10% discount if total purchases is over 100]
2014-10-02 02:35:09,046 [main] TRACE   LinkSegment smask=2 rmask=3 name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,046 [main] TRACE  LinkRule name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,046 [main] TRACE Added Apply 10% discount if total purchases is over 100 to eager evaluation list.
2014-10-02 02:35:09,046 [main] TRACE Insert [fact 0:5:8996952:8996952:5:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Purchase@894858]
2014-10-02 02:35:09,046 [main] TRACE BetaNode insert=2 stagedInsertWasEmpty=false
2014-10-02 02:35:09,046 [main] TRACE BetaNode insert=2 stagedInsertWasEmpty=false
2014-10-02 02:35:09,046 [main] TRACE Rule[name=Apply 10% discount if total purchases is over 100] segments=2 TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      1 [ AccumulateNode(12) ] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      Segment 1
2014-10-02 02:35:09,047 [main] TRACE      1 [ AccumulateNode(12) ] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,047 [main] TRACE      rightTuples TupleSets[insertSize=2, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,056 [main] TRACE        2 [RuleTerminalNode(13): rule=Apply 10% discount if total purchases is over 100] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE        Segment 1
2014-10-02 02:35:09,057 [main] TRACE        2 [RuleTerminalNode(13): rule=Apply 10% discount if total purchases is over 100] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE Rule[name=Apply 10% discount if total purchases is over 100] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE      3 [ AccumulateNode(12) ] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE Rule[name=Purchase notification] segments=2 TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE      4 [JoinNode(5) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Purchase]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,057 [main] TRACE      Segment 1
2014-10-02 02:35:09,057 [main] TRACE      4 [JoinNode(5) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Purchase]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,058 [main] TRACE      rightTuples TupleSets[insertSize=2, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,058 [main] TRACE        5 [RuleTerminalNode(6): rule=Purchase notification] TupleSets[insertSize=2, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,058 [main] TRACE        Segment 1
2014-10-02 02:35:09,058 [main] TRACE        5 [RuleTerminalNode(6): rule=Purchase notification] TupleSets[insertSize=2, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,058 [main] TRACE Fire "Purchase notification"
[[ Purchase notification active=false ] [ [fact 0:4:939475028:939475028:4:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Purchase@37ff4054]
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
Customer mark just purchased shoes
2014-10-02 02:35:09,060 [main] TRACE Fire "Purchase notification"
[[ Purchase notification active=false ] [ [fact 0:5:8996952:8996952:5:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Purchase@894858]
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
Customer mark just purchased hat
2014-10-02 02:35:09,061 [main] TRACE Removing RuleAgendaItem [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,061 [main] TRACE Queue Removed 1 [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,061 [main] TRACE Rule[name=Discount removed notification] segments=2 TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE      6 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE      Segment 1
2014-10-02 02:35:09,061 [main] TRACE      6 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE      rightTuples TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE        7 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE        Segment 1
2014-10-02 02:35:09,061 [main] TRACE        7 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,061 [main] TRACE Fire "Discount removed notification"
[[ Discount removed notification active=false ] [ null
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
Customer mark now has a discount of 0
2014-10-02 02:35:09,063 [main] TRACE Removing RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,063 [main] TRACE Queue Removed 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,063 [main] TRACE Fire "Apply 10% discount if total purchases is over 100"
[[ Apply 10% discount if total purchases is over 100 active=false ] [ [fact 0:6:2063009760:1079902208:6:null:NON_TRAIT:120.0]
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
2014-10-02 02:35:09,071 [main] TRACE Insert [fact 0:7:874153561:874153561:7:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Discount@341a8659]
2014-10-02 02:35:09,071 [main] TRACE   LinkSegment smask=2 rmask=3 name=Discount removed notification
2014-10-02 02:35:09,071 [main] TRACE  LinkRule name=Discount removed notification
2014-10-02 02:35:09,071 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,071 [main] TRACE Queue Added 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,071 [main] TRACE BetaNode insert=1 stagedInsertWasEmpty=true
2014-10-02 02:35:09,071 [main] TRACE LinkNode notify=true nmask=1 smask=1 spos=1 rules=[RuleMem Discount awarded notification]
2014-10-02 02:35:09,071 [main] TRACE   LinkSegment smask=2 rmask=3 name=Discount awarded notification
2014-10-02 02:35:09,071 [main] TRACE  LinkRule name=Discount awarded notification
2014-10-02 02:35:09,071 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,071 [main] TRACE Queue Added 3 [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
Customer mark now has a shopping total of 120.0
2014-10-02 02:35:09,071 [main] TRACE Removing RuleAgendaItem [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,071 [main] TRACE Queue Removed 2 [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,071 [main] TRACE Rule[name=Discount removed notification] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,072 [main] TRACE      8 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,072 [main] TRACE      Segment 1
2014-10-02 02:35:09,072 [main] TRACE      8 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,072 [main] TRACE      rightTuples TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,073 [main] TRACE        9 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,073 [main] TRACE        Segment 1
2014-10-02 02:35:09,073 [main] TRACE        9 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,073 [main] TRACE Removing RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,073 [main] TRACE Queue Removed 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,073 [main] TRACE Rule[name=Discount awarded notification] segments=2 TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,073 [main] TRACE      10 [JoinNode(10) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,073 [main] TRACE      Segment 1
2014-10-02 02:35:09,073 [main] TRACE      10 [JoinNode(10) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,074 [main] TRACE      rightTuples TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,074 [main] TRACE        11 [RuleTerminalNode(11): rule=Discount awarded notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,074 [main] TRACE        Segment 1
2014-10-02 02:35:09,074 [main] TRACE        11 [RuleTerminalNode(11): rule=Discount awarded notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,074 [main] TRACE Fire "Discount awarded notification"
[[ Discount awarded notification active=false ] [ [fact 0:7:874153561:874153561:7:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Discount@341a8659]
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
Customer mark now has a discount of 10
2014-10-02 02:35:09,074 [main] TRACE Removing RuleAgendaItem [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,074 [main] TRACE Queue Removed 1 [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,074 [main] TRACE Delete [fact 0:5:8996952:8996952:5:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Purchase@894858]
2014-10-02 02:35:09,074 [main] TRACE   LinkSegment smask=2 rmask=3 name=Purchase notification
2014-10-02 02:35:09,074 [main] TRACE  LinkRule name=Purchase notification
2014-10-02 02:35:09,074 [main] TRACE Queue RuleAgendaItem [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,074 [main] TRACE Queue Added 1 [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,075 [main] TRACE   LinkSegment smask=2 rmask=3 name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,075 [main] TRACE  LinkRule name=Apply 10% discount if total purchases is over 100
2014-10-02 02:35:09,075 [main] TRACE Queue RuleAgendaItem [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,075 [main] TRACE Queue Added 2 [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,075 [main] TRACE Added Apply 10% discount if total purchases is over 100 to eager evaluation list.
Customer mark has returned the hat
2014-10-02 02:35:09,075 [main] TRACE Rule[name=Apply 10% discount if total purchases is over 100] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE      12 [ AccumulateNode(12) ] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE      Segment 1
2014-10-02 02:35:09,075 [main] TRACE      12 [ AccumulateNode(12) ] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE      rightTuples TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE        13 [RuleTerminalNode(13): rule=Apply 10% discount if total purchases is over 100] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE        Segment 1
2014-10-02 02:35:09,075 [main] TRACE        13 [RuleTerminalNode(13): rule=Apply 10% discount if total purchases is over 100] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,075 [main] TRACE Delete [fact 0:7:874153561:874153561:7:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Discount@341a8659]
2014-10-02 02:35:09,075 [main] TRACE   LinkSegment smask=2 rmask=3 name=Discount removed notification
2014-10-02 02:35:09,075 [main] TRACE  LinkRule name=Discount removed notification
2014-10-02 02:35:09,075 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,075 [main] TRACE Queue Added 3 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,075 [main] TRACE UnlinkNode notify=true nmask=1 smask=0 spos=1 rules=[RuleMem Discount awarded notification]
2014-10-02 02:35:09,076 [main] TRACE   UnlinkSegment smask=2 rmask=1 name=[RuleMem Discount awarded notification]
2014-10-02 02:35:09,076 [main] TRACE     UnlinkRule name=Discount awarded notification
2014-10-02 02:35:09,076 [main] TRACE Queue RuleAgendaItem [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,076 [main] TRACE Queue Added 2 [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,076 [main] TRACE Rule[name=Purchase notification] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      14 [JoinNode(5) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Purchase]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      Segment 1
2014-10-02 02:35:09,076 [main] TRACE      14 [JoinNode(5) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Purchase]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      rightTuples TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE        15 [RuleTerminalNode(6): rule=Purchase notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE        Segment 1
2014-10-02 02:35:09,076 [main] TRACE        15 [RuleTerminalNode(6): rule=Purchase notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE Removing RuleAgendaItem [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,076 [main] TRACE Queue Removed 1 [Activation rule=Purchase notification, act#=2, salience=10, tuple=null]
2014-10-02 02:35:09,076 [main] TRACE Rule[name=Discount removed notification] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      16 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      Segment 1
2014-10-02 02:35:09,076 [main] TRACE      16 [NotNode(8) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,076 [main] TRACE      rightTuples TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE        17 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE        Segment 1
2014-10-02 02:35:09,077 [main] TRACE        17 [RuleTerminalNode(9): rule=Discount removed notification] TupleSets[insertSize=1, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE Fire "Discount removed notification"
[[ Discount removed notification active=false ] [ null
[fact 0:1:1455177644:1455177644:1:DEFAULT:NON_TRAIT:org.drools.examples.shopping.ShoppingExample$Customer@56bc3fac] ] ]
Customer mark now has a discount of 0
2014-10-02 02:35:09,077 [main] TRACE Removing RuleAgendaItem [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,077 [main] TRACE Queue Removed 1 [Activation rule=Discount removed notification, act#=0, salience=0, tuple=null]
2014-10-02 02:35:09,077 [main] TRACE Rule[name=Discount awarded notification] segments=2 TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE      18 [JoinNode(10) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE      Segment 1
2014-10-02 02:35:09,077 [main] TRACE      18 [JoinNode(10) - [ClassObjectType class=org.drools.examples.shopping.ShoppingExample$Discount]] TupleSets[insertSize=0, deleteSize=0, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE      rightTuples TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE        19 [RuleTerminalNode(11): rule=Discount awarded notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE        Segment 1
2014-10-02 02:35:09,077 [main] TRACE        19 [RuleTerminalNode(11): rule=Discount awarded notification] TupleSets[insertSize=0, deleteSize=1, updateSize=0]
2014-10-02 02:35:09,077 [main] TRACE Removing RuleAgendaItem [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,077 [main] TRACE Queue Removed 1 [Activation rule=Discount awarded notification, act#=7, salience=0, tuple=null]
2014-10-02 02:35:09,077 [main] TRACE Removing RuleAgendaItem [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]
2014-10-02 02:35:09,077 [main] TRACE Queue Removed 1 [Activation rule=Apply 10% discount if total purchases is over 100, act#=1, salience=0, tuple=null]

翻译自: https://www.javacodegeeks.com/2014/10/trace-output-with-drools.html

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