[rules-users] Decision tables

[kranthikumar dalai]

 Hi,

     I am using Decision table in drools. But it is not giving any output. I
am doing the correct one or not.


The code
        *RuleSet* *com.sample* * * * *   *Import* *
com.sample.Paternity.RuleBean;* * *   *Notes* *This decision table is a
Paternity decision table* * * ** ** ** ** **   *RuleTablefor Paternity* * *
* * * * CONDITION CONDITION CONDITION ACTION * *         * * RuleBean(status
== "$param") RuleBean(role =="$param") RuleBean(NoOfDays == $param)
System.out.println("Kranthis"); *Paternity Rules* *Status* *Role* *NoOfDays*
*Print out message?* * * *Married* *Permanent* *2* *Kranthi3* * * * * * * *
* * *

The following the my code
for
Paternity.java

*

public* *class* Paternity {

*public* *static* *final* *void* main(String[] args) {

*try* {

 RuleBase ruleBase = *readDecisionTable*();

WorkingMemory workingMemory = ruleBase.newStatefulSession();

//go !

RuleBean rule=*new* RuleBean("Married","Permanent",2);

System.*out*.println("Kranthi1");

workingMemory.assertObject(rule);

System.*out*.println("kranthi2");

workingMemory.fireAllRules();

 } *catch* (Throwable t) {

t.printStackTrace();

}

}

 *private* *static* RuleBase readDecisionTable() *throws* Exception {

//read in the source

*final* SpreadsheetCompiler converter = *new* SpreadsheetCompiler();

*final* String drl = converter.compile( "/Sample.xls", InputType.*XLS* );

PackageBuilder builder = *new* PackageBuilder();

builder.addPackageFromDrl( *new* StringReader( drl ) );

Package pkg = builder.getPackage();

RuleBase ruleBase = RuleBaseFactory.*newRuleBase*();

ruleBase.addPackage( pkg );

*return* ruleBase;

}

}



and the following is my RuleBean.java
*

package* com.sample;

*

import* com.sample.Paternity;



*

public* *class* RuleBean{

 *private* String status;

*private* String role;

*public* *int* NoOfDays;

*public* RuleBean(String status,String role,*int* NoOfDays) {

System.*out*.println("kranthiobj");

*this*.status = status;

*this*.role = role;

*this*.NoOfDays = NoOfDays;

}

*public* *int* getNoOfDays() {

*return* NoOfDays;

}

*public* *void* setNoOfDays(*int* noOfDays) {

NoOfDays = noOfDays;

}

*public* String getRole() {

*return* role;

}

*public* *void* setRole(String role) {

*this*.role = role;

}

*public* String getStatus() {

*return* status;

}

*public* *void* setStatus(String status) {

*this*.status = status;

}

}
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