2:59 a.m.
________________________________
From: Prateek Katiyar (WT01 - ES- eEnabling)
Sent: Thu 9/27/2007 6:57 PM
To: rules-users(a)lists.jboss.org
Subject: About Drools
________________________________
Hi
I am also a part of the user-list.
I am using Drools 4.0 with XML rule language.
I want to use the same .xml file with the two java programs.
Here are my programs
First java program:=
package com.wipro.rfq.report.bean;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.regex.Pattern;
import org.drools.RuleBase;
import org.drools.StatefulSession;
import org.drools.RuleBaseFactory;
import org.drools.compiler.PackageBuilder;
import org.drools.rule.Package;
import org.drools.base.RuleNameStartsWithAgendaFilter;
public class Validator {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
String date="24-10-2000";
if(date!=""){
String dd1=date.substring(0,2);
String mm1=date.substring(3,5);
int dd=Integer.parseInt(dd1);
int mm=Integer.parseInt(mm1);
if(Pattern.matches("..-..-....",date)){
System.out.print("The entered date is in proper format");
if((dd<1)||(dd>31)||(mm<1)||(mm>12))
System.out.println(" but not valid.");
else
System.out.println(".");
}
else if(date.length()>10)
System.out.println("The entered date is not in proper format");
else
System.out.println("The entered date is not in proper format");
}
//load up the rulebase
final RuleBase ruleBase = readRule();
StatefulSession workingMemory = ruleBase.newStatefulSession();
RFQBean rfqbean=new RFQBean();
rfqbean.setM_country("India");
rfqbean.setM_deadLine("two days");
rfqbean.setM_dueDate(date);
rfqbean.setM_fsUMC("4");
rfqbean.setM_lotSize("5");
rfqbean.setM_mtrlType("6");
rfqbean.setM_partId("1100");
rfqbean.setM_product("kjhkihkj");
rfqbean.setM_rfqId("null");
//workingMemory.insert(rfqbean);
workingMemory.setGlobal("rfq",rfqbean);
workingMemory.fireAllRules(new RuleNameStartsWithAgendaFilter( "Check" ));
//Agenda a=workingMemory.getAgenda();
//System.out.println(a);
}catch(StringIndexOutOfBoundsException s){
System.out.println("The entered date is not in proper format "+s);
}catch(Exception e){
e.printStackTrace();
//System.out.println("The description of error is "+e);
}
}
private static RuleBase readRule() throws Exception {
final Reader source = new InputStreamReader( Validator.class.getResourceAsStream(
"/rules/Check-new.xml" ) );
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromXml( source );
final Package pkg = builder.getPackage();
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
return ruleBase;
}
public static class RFQBean {
private String m_rfqId;
private String m_partId;
private String m_product;
private String m_country;
private String m_lotSize;
private String m_mtrlType;
private String m_fsUMC;
private String m_deadLine;
private String m_dueDate;
public String getM_country() {
return m_country;
}
public void setM_country(String m_country) {
this.m_country = m_country;
}
public String getM_deadLine() {
return m_deadLine;
}
public void setM_deadLine(String line) {
m_deadLine = line;
}
public String getM_dueDate() {
return m_dueDate;
}
public void setM_dueDate(String date) {
m_dueDate = date;
}
public String getM_fsUMC() {
return m_fsUMC;
}
public void setM_fsUMC(String m_fsumc) {
m_fsUMC = m_fsumc;
}
public String getM_lotSize() {
return m_lotSize;
}
public void setM_lotSize(String size) {
m_lotSize = size;
}
public String getM_mtrlType() {
return m_mtrlType;
}
public void setM_mtrlType(String type) {
m_mtrlType = type;
}
public String getM_partId() {
return m_partId;
}
public void setM_partId(String id) {
m_partId = id;
}
public String getM_product() {
return m_product;
}
public void setM_product(String m_product) {
this.m_product = m_product;
}
public String getM_rfqId() {
return m_rfqId;
}
public void setM_rfqId(String id) {
m_rfqId = id;
}
}
}
Second java program:=
package com.wipro.loan.validation.bean;
import java.io.InputStreamReader;
import java.io.Reader;
import java.math.BigDecimal;
import org.drools.RuleBase;
import org.drools.StatefulSession;
import org.drools.RuleBaseFactory;
import org.drools.compiler.PackageBuilder;
import org.drools.rule.Package;
import org.drools.base.RuleNameStartsWithAgendaFilter;
public class Final {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
//load up the rulebase
final RuleBase ruleBase = readRule();
StatefulSession workingMemory = ruleBase.newStatefulSession();
//go !
LoanApplicationBean loanbean = new LoanApplicationBean();
loanbean.setFullName("");
workingMemory.setGlobal("loanApplication",loanbean);
workingMemory.fireAllRules(new RuleNameStartsWithAgendaFilter("validate"));
} catch ( final Throwable t ) {
t.printStackTrace();
}
}
/**
* Please note that this is the "low level" rule assembly API.
*/
private static RuleBase readRule() throws Exception {
//read in the source
final Reader source = new InputStreamReader( Final.class.getResourceAsStream(
"/rules/Check-new.xml" ) );
//optionally read in the DSL (if you are using it).
//Reader dsl = new InputStreamReader( DroolsTest.class.getResourceAsStream(
"/mylang.dsl" ) );
//Use package builder to build up a rule package.
//An alternative lower level class called "DrlParser" can also be used...
final PackageBuilder builder = new PackageBuilder();
//this wil parse and compile in one step
//NOTE: There are 2 methods here, the one argument one is for normal DRL.
builder.addPackageFromXml( source );
//Use the following instead of above if you are using a DSL:
//builder.addPackageFromDrl( source, dsl );
//get the compiled package (which is serializable)
final Package pkg = builder.getPackage();
//add the package to a rulebase (deploy the rule package).
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
return ruleBase;
}
public static class LoanApplicationBean {
private static final long serialVersionUID = 1L;
private long loanAppId;
private String fullName;
private String mobileNumber;
private String salaryRange;
private String loanAmt;
private String loanTenure;
private String interestRate;
private String prefix;
private String extension;
private String firstName;
private int day;
private String code;
private int month;
private int year;
private String date;
private String email;
private String Name;
private String lastName;
private String ssn;
private String birthDate;
private String dayTimePhone;
private BigDecimal purchasePrice;
private long loanAmount;
private String strLoanAmount;
private String propertyCity;
private String propertyState;
private String propertyZip;
private String loanType;
private String loanTerm;
private String loanProduct;
private int confirmationNumber;
private boolean validation;
private String strResMsg;
private double interest;
private int tenure;
/**
* @return Returns the birthDate.
*/
public String getBirthDate() {
return birthDate;
}
/**
* @param birthDate The birthDate to set.
*/
public void setBirthDate(String birthDate) {
this.birthDate = birthDate;
}
/**
* @return Returns the confirmationNumber.
*/
public int getConfirmationNumber() {
return confirmationNumber;
}
/**
* @param confirmationNumber The confirmationNumber to set.
*/
public void setConfirmationNumber(int confirmationNumber) {
this.confirmationNumber = confirmationNumber;
}
/**
* @return Returns the dayTimePhone.
*/
public String getDayTimePhone() {
return dayTimePhone;
}
/**
* @param dayTimePhone The dayTimePhone to set.
*/
public void setDayTimePhone(String dayTimePhone) {
this.dayTimePhone = dayTimePhone;
}
/**
* @return Returns the firstName.
*/
public String getFirstName() {
return firstName;
}
/**
* @param firstName The firstName to set.
*/
public void setFirstName(String firstName) {
this.firstName = firstName;
}
/**
* @return Returns the lastName.
*/
public String getLastName() {
return lastName;
}
/**
* @param lastName The lastName to set.
*/
public void setLastName(String lastName) {
this.lastName = lastName;
}
/**
* @return Name returns the name
*/
public String getName() {
return Name;
}
/**
* @param Name sets the Name
*/
public void setName(String Name) {
this.Name = Name;
}
/**
* @return returns the emailid
*/
public String getEmail() {
return email;
}
/**
* @param email sets the emailid
*/
public void setEmail(String email) {
this.email = email;
}
/**
* @return returns the date
*/
public String getDate(){
return date;
}
/**
* @param date Sets the date
*/
public void setDate(String date) {
this.date=date;
}
/**
* @return returns the area code
*/
public String getCode(){
return code;
}
/**
* @param code sets the area code
*/
public void setCode(String code){
this.code=code;
}
/**
* @return returns the prefix
*/
public String getPrefix(){
return prefix;
}
/**
* @param prefix Sets the prefix of phone number
*/
public void setPrefix(String prefix){
this.prefix=prefix;
}
/**
* @return returns the extension of the phone number
*/
public String getExtension(){
return extension;
}
/**
* @param extension sets the extension of the phone number
*/
public void setExtension(String extension){
this.extension=extension;
}
/**
* @return returns the date
*/
public int getDay(){
return day;
}
/**
* @param day sets the day
*/
public void setDay(int day){
this.day=day;
}
/**
* @return returns the month
*/
public int getmonth(){
return month;
}
/**
* @param month sets the month
*/
public void setmonth(int month){
this.month=month;
}
/**
* @return returns the year
*/
public int getYear(){
return year;
}
/**
* @param year sets the year
*/
public void setYear(int year){
this.year=year;
}
/**
* @return Returns the loanAmount.
*/
public long getLoanAmount() {
return loanAmount;
}
/**
* @param loanAmount The loanAmount to set.
*/
public void setLoanAmount(long loanAmount) {
this.loanAmount = loanAmount;
}
/**
* @return returns the tenure or term
*/
public int getTenure() {
return tenure;
}
/**
* @param tenure sets the tenure or term
*/
public void setTenure(int tenure) {
this.tenure = tenure;
}
/**
* @return returns the interest
*/
public double getInterest() {
return interest;
}
/**
* @param interest sets the interest
*/
public void setInterest(double interest) {
this.interest = interest;
}
/**
* @return Returns the loanAppId.
* @hibernate.id column="LoanAppId" generator-class="identity"
*/
public long getLoanAppId() {
return loanAppId;
}
/**
* @param loanAppId The loanAppId to set.
*/
public void setLoanAppId(long loanAppId) {
this.loanAppId = loanAppId;
}
/**
* @return Returns the loanProduct.
*/
public String getLoanProduct() {
return loanProduct;
}
/**
* @param loanProduct The loanProduct to set.
*/
public void setLoanProduct(String loanProduct) {
this.loanProduct = loanProduct;
}
/**
* @return Returns the loanTerm.
*/
public String getLoanTerm() {
return loanTerm;
}
/**
* @param loanTerm The loanTerm to set.
*/
public void setLoanTerm(String loanTerm) {
this.loanTerm = loanTerm;
}
/**
* @return Returns the loanType.
*/
public String getLoanType() {
return loanType;
}
/**
* @param loanType The loanType to set.
*/
public void setLoanType(String loanType) {
this.loanType = loanType;
}
/**
* @return Returns the propertyCity.
*/
public String getPropertyCity() {
return propertyCity;
}
/**
* @param propertyCity The propertyCity to set.
*/
public void setPropertyCity(String propertyCity) {
this.propertyCity = propertyCity;
}
/**
* @return Returns the propertyState.
*/
public String getPropertyState() {
return propertyState;
}
/**
* @param propertyState The propertyState to set.
*/
public void setPropertyState(String propertyState) {
this.propertyState = propertyState;
}
/**
* @return Returns the propertyZip.
*/
public String getPropertyZip() {
return propertyZip;
}
/**
* @param propertyZip The propertyZip to set.
*/
public void setPropertyZip(String propertyZip) {
this.propertyZip = propertyZip;
}
/**
* @return Returns the purchasePrice.
*/
public BigDecimal getPurchasePrice() {
return purchasePrice;
}
/**
* @param purchasePrice The purchasePrice to set.
*/
public void setPurchasePrice(BigDecimal purchasePrice) {
this.purchasePrice = purchasePrice;
}
/**
* @return Returns the ssn.
*/
public String getSsn() {
return ssn;
}
/**
* @param ssn The ssn to set.
*/
public void setSsn(String ssn) {
this.ssn = ssn;
}
/**
* @return Returns the validation.
*/
public boolean isValidation() {
return validation;
}
/**
* @param validation The validation to set.
*/
public void setValidation(boolean validation) {
this.validation = validation;
}
/**
* @return Returns the ssn.
*/
public String getStrResMsg() {
return strResMsg;
}
/**
* @param ssn The ssn to set.
*/
public void setStrResMsg(String strResMsg) {
this.strResMsg = strResMsg;
}
public String getFullName() {
return fullName;
}
public void setFullName(String fullName) {
this.fullName = fullName;
}
public String getInterestRate() {
return interestRate;
}
public void setInterestRate(String interestRate) {
this.interestRate = interestRate;
}
public String getLoanAmt() {
return loanAmt;
}
public void setLoanAmt(String loanAmt) {
this.loanAmt = loanAmt;
}
public String getLoanTenure() {
return loanTenure;
}
public void setLoanTenure(String loanTenure) {
this.loanTenure = loanTenure;
}
public String getSalaryRange() {
return salaryRange;
}
public void setSalaryRange(String salaryRange) {
this.salaryRange = salaryRange;
}
public String getMobileNumber() {
return mobileNumber;
}
public void setMobileNumber(String mobileNumber) {
this.mobileNumber = mobileNumber;
}
public String getStrLoanAmount() {
return strLoanAmount;
}
public void setStrLoanAmount(String strLoanAmount) {
this.strLoanAmount = strLoanAmount;
}
}
}
My ,xml file:=
<?xml version="1.0" encoding="UTF-8"?>
<package name="rules"
xmlns="http://drools.org/drools-4.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
xs:schemaLocation="http://drools.org/drools-4.0 drools-4.0.xsd">
<import name="com.wipro.rfq.report.bean.Validator.RFQBean" />
<global identifier="rfq"
type="com.wipro.rfq.report.bean.Validator.RFQBean" />
<import name="com.wipro.loan.validation.bean.Final.LoanApplicationBean"
/>
<global identifier="loanApplication"
type="com.wipro.loan.validation.bean.Final.LoanApplicationBean" />
<rule name="Check_NotNullof_rfqId"> <!--start of rule 1-->
<lhs>
<eval>(rfq.getM_rfqId() =="null") ||
(rfq.getM_rfqId().trim().equals(""))</eval>
</lhs>
<rhs>
System.out.println("The value of m_rfqId is null.");
</rhs>
</rule>
<rule name="validate_FullName">
<lhs>
<eval>(loanApplication.getFullName()==null) ||
(loanApplication.getFullName().trim().equals(""))</eval>
</lhs>
<rhs>
System.out.println("full name is null from xml");
</rhs>
</rule>
</package>
Now i want to use the agenda group so plz give me some idea about that.
Thanks.
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