public ClassDescriptor buildProjectDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(Project.class); descriptor.addTableName("PROJECT"); descriptor.addPrimaryKeyFieldName("PROJECT.PROJ_ID"); // Inheritance Properties. descriptor.getInheritancePolicy().setClassIndicatorFieldName("PROJECT.PROJ_TYPE"); descriptor.getInheritancePolicy().addClassIndicator(SmallProject.class, "S"); descriptor.getInheritancePolicy().addClassIndicator(LargeProject.class, "L"); // Descriptor Properties. descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(100); descriptor.setSequenceNumberFieldName("PROJECT.PROJ_ID"); descriptor.setSequenceNumberName("PROJ_SEQ"); VersionLockingPolicy lockingPolicy = new VersionLockingPolicy(); lockingPolicy.setWriteLockFieldName("PROJECT.VERSION"); lockingPolicy.storeInObject(); descriptor.setOptimisticLockingPolicy(lockingPolicy); descriptor.setAlias("Project"); // Mappings. DirectToFieldMapping descriptionMapping = new DirectToFieldMapping(); descriptionMapping.setAttributeName("description"); descriptionMapping.setFieldName("PROJECT.DESCRIP"); descriptionMapping.setNullValue(""); descriptor.addMapping(descriptionMapping); DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("PROJECT.PROJ_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping versionMapping = new DirectToFieldMapping(); versionMapping.setAttributeName("version"); versionMapping.setFieldName("PROJECT.VERSION"); descriptor.addMapping(versionMapping); DirectToFieldMapping nameMapping = new DirectToFieldMapping(); nameMapping.setAttributeName("name"); nameMapping.setFieldName("PROJECT.PROJ_NAME"); nameMapping.setNullValue(""); descriptor.addMapping(nameMapping); OneToOneMapping teamLeaderMapping = new OneToOneMapping(); teamLeaderMapping.setAttributeName("teamLeaderHolder"); teamLeaderMapping.setReferenceClass(Employee.class); teamLeaderMapping.useBasicIndirection(); teamLeaderMapping.addForeignKeyFieldName("PROJECT.LEADER_ID", "EMPLOYEE.EMP_ID"); descriptor.addMapping(teamLeaderMapping); return descriptor; }
public ClassDescriptor buildPhoneNumberDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(PhoneNumber.class); descriptor.addTableName("PHONE"); descriptor.addPrimaryKeyFieldName("PHONE.PHONE_ID"); // Descriptor Properties. descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(100); descriptor.setSequenceNumberFieldName("PHONE.PHONE_ID"); descriptor.setSequenceNumberName("PHONE_SEQ"); descriptor.setAlias("PhoneNumber"); // Query keys. descriptor.addDirectQueryKey("id", "PHONE.EMP_ID"); // Mappings. DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("PHONE.PHONE_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping areaCodeMapping = new DirectToFieldMapping(); areaCodeMapping.setAttributeName("areaCode"); areaCodeMapping.setFieldName("PHONE.AREA_CODE"); descriptor.addMapping(areaCodeMapping); DirectToFieldMapping numberMapping = new DirectToFieldMapping(); numberMapping.setAttributeName("number"); numberMapping.setFieldName("PHONE.P_NUMBER"); descriptor.addMapping(numberMapping); DirectToFieldMapping typeMapping = new DirectToFieldMapping(); typeMapping.setAttributeName("type"); typeMapping.setFieldName("PHONE.TYPE"); descriptor.addMapping(typeMapping); OneToOneMapping ownerMapping = new OneToOneMapping(); ownerMapping.setAttributeName("ownerHolder"); ownerMapping.setReferenceClass(Employee.class); ownerMapping.useBasicIndirection(); ownerMapping.addForeignKeyFieldName("PHONE.EMP_ID", "EMPLOYEE.EMP_ID"); descriptor.addMapping(ownerMapping); return descriptor; }
public ClassDescriptor buildEmployeeDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(Employee.class); descriptor.addTableName("EMPLOYEE"); descriptor.addPrimaryKeyFieldName("EMPLOYEE.EMP_ID"); // Descriptor Properties. descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(100); descriptor.setSequenceNumberFieldName("EMPLOYEE.EMP_ID"); descriptor.setSequenceNumberName("EMP_SEQ"); VersionLockingPolicy lockingPolicy = new VersionLockingPolicy(); lockingPolicy.setWriteLockFieldName("EMPLOYEE.VERSION"); lockingPolicy.storeInObject(); descriptor.setOptimisticLockingPolicy(lockingPolicy); descriptor.setAlias("Employee"); // Mappings. DirectToFieldMapping firstNameMapping = new DirectToFieldMapping(); firstNameMapping.setAttributeName("firstName"); firstNameMapping.setFieldName("EMPLOYEE.F_NAME"); firstNameMapping.setNullValue(""); descriptor.addMapping(firstNameMapping); DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("EMPLOYEE.EMP_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping versionMapping = new DirectToFieldMapping(); versionMapping.setAttributeName("version"); versionMapping.setFieldName("EMPLOYEE.VERSION"); descriptor.addMapping(versionMapping); DirectToFieldMapping lastNameMapping = new DirectToFieldMapping(); lastNameMapping.setAttributeName("lastName"); lastNameMapping.setFieldName("EMPLOYEE.L_NAME"); lastNameMapping.setNullValue(""); descriptor.addMapping(lastNameMapping); DirectToFieldMapping salaryMapping = new DirectToFieldMapping(); salaryMapping.setAttributeName("salary"); salaryMapping.setFieldName("EMPLOYEE.SALARY"); descriptor.addMapping(salaryMapping); DirectToFieldMapping genderMapping = new DirectToFieldMapping(); genderMapping.setAttributeName("gender"); genderMapping.setFieldName("EMPLOYEE.GENDER"); descriptor.addMapping(genderMapping); AggregateObjectMapping periodMapping = new AggregateObjectMapping(); periodMapping.setAttributeName("period"); periodMapping.setReferenceClass( org.eclipse.persistence.testing.models.performance.EmploymentPeriod.class); periodMapping.setIsNullAllowed(true); periodMapping.addFieldNameTranslation("EMPLOYEE.END_DATE", "endDate->DIRECT"); periodMapping.addFieldNameTranslation("EMPLOYEE.START_DATE", "startDate->DIRECT"); descriptor.addMapping(periodMapping); OneToOneMapping addressMapping = new OneToOneMapping(); addressMapping.setAttributeName("address"); addressMapping.setGetMethodName("getAddressHolder"); addressMapping.setSetMethodName("setAddressHolder"); addressMapping.setReferenceClass( org.eclipse.persistence.testing.models.performance.Address.class); addressMapping.useBasicIndirection(); addressMapping.privateOwnedRelationship(); addressMapping.addForeignKeyFieldName("EMPLOYEE.ADDR_ID", "ADDRESS.ADDRESS_ID"); descriptor.addMapping(addressMapping); OneToOneMapping managerMapping = new OneToOneMapping(); managerMapping.setAttributeName("manager"); managerMapping.setGetMethodName("getManagerHolder"); managerMapping.setSetMethodName("setManagerHolder"); managerMapping.setReferenceClass(Employee.class); managerMapping.useBasicIndirection(); managerMapping.addForeignKeyFieldName("EMPLOYEE.MANAGER_ID", "EMPLOYEE.EMP_ID"); descriptor.addMapping(managerMapping); OneToManyMapping managedEmployeesMapping = new OneToManyMapping(); managedEmployeesMapping.setAttributeName("managedEmployees"); managedEmployeesMapping.setReferenceClass(Employee.class); managedEmployeesMapping.useTransparentSet(); managedEmployeesMapping.addTargetForeignKeyFieldName("EMPLOYEE.MANAGER_ID", "EMPLOYEE.EMP_ID"); descriptor.addMapping(managedEmployeesMapping); OneToManyMapping phoneNumbersMapping = new OneToManyMapping(); phoneNumbersMapping.setAttributeName("phoneNumbers"); phoneNumbersMapping.setReferenceClass(PhoneNumber.class); phoneNumbersMapping.useTransparentSet(); phoneNumbersMapping.privateOwnedRelationship(); phoneNumbersMapping.addTargetForeignKeyFieldName("PHONE.EMP_ID", "EMPLOYEE.EMP_ID"); descriptor.addMapping(phoneNumbersMapping); ManyToManyMapping projectsMapping = new ManyToManyMapping(); projectsMapping.setAttributeName("projects"); projectsMapping.setReferenceClass(Project.class); projectsMapping.useTransparentSet(); projectsMapping.setRelationTableName("PROJ_EMP"); projectsMapping.addSourceRelationKeyFieldName("PROJ_EMP.EMP_ID", "EMPLOYEE.EMP_ID"); projectsMapping.addTargetRelationKeyFieldName("PROJ_EMP.PROJ_ID", "PROJECT.PROJ_ID"); descriptor.addMapping(projectsMapping); return descriptor; }
public ClassDescriptor buildChildDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(Child.class); descriptor.addTableName("OTOJT_CHILD"); descriptor.addPrimaryKeyFieldName("OTOJT_CHILD.CHILD_ID"); descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(50); descriptor.setSequenceNumberFieldName("OTOJT_CHILD.CHILD_ID"); descriptor.setSequenceNumberName("OTOJT_CHILD_SEQ"); descriptor.setAlias("OTOJT_Child"); // Query Manager. descriptor.getQueryManager().checkCacheForDoesExist(); // Mappings. DirectToFieldMapping firstNameMapping = new DirectToFieldMapping(); firstNameMapping.setAttributeName("firstName"); firstNameMapping.setFieldName("F_NAME"); firstNameMapping.setNullValue(""); descriptor.addMapping(firstNameMapping); DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("CHILD_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping lastNameMapping = new DirectToFieldMapping(); lastNameMapping.setAttributeName("lastName"); lastNameMapping.setFieldName("L_NAME"); lastNameMapping.setNullValue(""); descriptor.addMapping(lastNameMapping); DirectToFieldMapping genderMapping = new DirectToFieldMapping(); genderMapping.setAttributeName("gender"); genderMapping.setFieldName("GENDER"); ObjectTypeConverter genderMappingConverter = new ObjectTypeConverter(); genderMappingConverter.addConversionValue("F", "Female"); genderMappingConverter.addConversionValue("M", "Male"); genderMapping.setConverter(genderMappingConverter); descriptor.addMapping(genderMapping); DirectToFieldMapping birthdayMapping = new DirectToFieldMapping(); birthdayMapping.setAttributeName("birthday"); birthdayMapping.setFieldName("BIRTHDAY"); descriptor.addMapping(birthdayMapping); OneToOneMapping parentMapping = new OneToOneMapping(); parentMapping.setAttributeName("parent"); parentMapping.setReferenceClass(Employee.class); parentMapping.dontUseIndirection(); parentMapping.setRelationTableMechanism(new RelationTableMechanism()); parentMapping.getRelationTableMechanism().setRelationTableName("OTOJT_CHILD_PARENT"); parentMapping .getRelationTableMechanism() .addSourceRelationKeyFieldName("OTOJT_CHILD_PARENT.CHILD_ID", "OTOJT_CHILD.CHILD_ID"); parentMapping .getRelationTableMechanism() .addTargetRelationKeyFieldName("OTOJT_CHILD_PARENT.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); // parentMapping.addForeignKeyFieldName("OTOJT_CHILD.PARENT_EMP_ID", // "OTOJT_EMPLOYEE.EMP_ID"); parentMapping.readOnly(); descriptor.addMapping(parentMapping); return descriptor; }
public ClassDescriptor buildProjectDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(Project.class); descriptor.addTableName("OTOJT_PROJECT"); descriptor.addPrimaryKeyFieldName("OTOJT_PROJECT.PROJ_ID"); // Inheritance Properties. descriptor.getInheritancePolicy().setClassIndicatorFieldName("OTOJT_PROJECT.PROJ_TYPE"); descriptor.getInheritancePolicy().addClassIndicator(SmallProject.class, "S"); descriptor.getInheritancePolicy().addClassIndicator(LargeProject.class, "L"); // Descriptor Properties. descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(100); descriptor.setSequenceNumberFieldName("OTOJT_PROJECT.PROJ_ID"); descriptor.setSequenceNumberName("OTOJT_PROJ_SEQ"); VersionLockingPolicy lockingPolicy = new VersionLockingPolicy(); lockingPolicy.setWriteLockFieldName("OTOJT_PROJECT.VERSION"); descriptor.setOptimisticLockingPolicy(lockingPolicy); descriptor.setAlias("OTOJT_Project"); // Cache Invalidation Policy // Query Manager. descriptor.getQueryManager().checkCacheForDoesExist(); // Named Queries. // Event Manager. // Mappings. DirectToFieldMapping descriptionMapping = new DirectToFieldMapping(); descriptionMapping.setAttributeName("description"); descriptionMapping.setFieldName("OTOJT_PROJECT.DESCRIP"); descriptionMapping.setNullValue(""); descriptor.addMapping(descriptionMapping); DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("OTOJT_PROJECT.PROJ_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping nameMapping = new DirectToFieldMapping(); nameMapping.setAttributeName("name"); nameMapping.setFieldName("OTOJT_PROJECT.PROJ_NAME"); nameMapping.setNullValue(""); descriptor.addMapping(nameMapping); OneToOneMapping teamLeaderMapping = new OneToOneMapping(); teamLeaderMapping.setAttributeName("teamLeader"); teamLeaderMapping.setReferenceClass(Employee.class); teamLeaderMapping.useBasicIndirection(); // teamLeaderMapping.addForeignKeyFieldName("OTOJT_PROJECT.LEADER_ID", // "OTOJT_EMPLOYEE.EMP_ID"); teamLeaderMapping.setRelationTableMechanism(new RelationTableMechanism()); teamLeaderMapping.getRelationTableMechanism().setRelationTableName("OTOJT_PROJ_LEADER"); teamLeaderMapping .getRelationTableMechanism() .addSourceRelationKeyFieldName("OTOJT_PROJ_LEADER.PROJ_ID", "PROJ_ID"); teamLeaderMapping .getRelationTableMechanism() .addTargetRelationKeyFieldName("OTOJT_PROJ_LEADER.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); descriptor.addMapping(teamLeaderMapping); ManyToManyMapping employeesMapping = new ManyToManyMapping(); employeesMapping.setAttributeName("employees"); employeesMapping.setReferenceClass(Employee.class); employeesMapping.readOnly(); employeesMapping.useTransparentList(); employeesMapping.setRelationTableName("OTOJT_PROJ_EMP"); employeesMapping.addSourceRelationKeyFieldName("OTOJT_PROJ_EMP.PROJ_ID", "PROJ_ID"); employeesMapping.addTargetRelationKeyFieldName( "OTOJT_PROJ_EMP.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); descriptor.addMapping(employeesMapping); return descriptor; }
public ClassDescriptor buildEmployeeDescriptor() { RelationalDescriptor descriptor = new RelationalDescriptor(); descriptor.setJavaClass(Employee.class); descriptor.addTableName("OTOJT_EMPLOYEE"); descriptor.addTableName("OTOJT_SALARY"); descriptor.addPrimaryKeyFieldName("OTOJT_EMPLOYEE.EMP_ID"); // Descriptor Properties. descriptor.useSoftCacheWeakIdentityMap(); descriptor.setIdentityMapSize(100); descriptor.setSequenceNumberFieldName("OTOJT_EMPLOYEE.EMP_ID"); descriptor.setSequenceNumberName("OTOJT_EMP_SEQ"); VersionLockingPolicy lockingPolicy = new VersionLockingPolicy(); lockingPolicy.setWriteLockFieldName("OTOJT_EMPLOYEE.VERSION"); descriptor.setOptimisticLockingPolicy(lockingPolicy); descriptor.setAlias("OTOJT_Employee"); // Cache Invalidation Policy // Query Manager. descriptor.getQueryManager().checkCacheForDoesExist(); // Named Queries. // Event Manager. // Mappings. DirectToFieldMapping firstNameMapping = new DirectToFieldMapping(); firstNameMapping.setAttributeName("firstName"); firstNameMapping.setFieldName("OTOJT_EMPLOYEE.F_NAME"); firstNameMapping.setNullValue(""); descriptor.addMapping(firstNameMapping); DirectToFieldMapping idMapping = new DirectToFieldMapping(); idMapping.setAttributeName("id"); idMapping.setFieldName("OTOJT_EMPLOYEE.EMP_ID"); descriptor.addMapping(idMapping); DirectToFieldMapping lastNameMapping = new DirectToFieldMapping(); lastNameMapping.setAttributeName("lastName"); lastNameMapping.setFieldName("OTOJT_EMPLOYEE.L_NAME"); lastNameMapping.setNullValue(""); descriptor.addMapping(lastNameMapping); DirectToFieldMapping salaryMapping = new DirectToFieldMapping(); salaryMapping.setAttributeName("salary"); salaryMapping.setFieldName("OTOJT_SALARY.SALARY"); descriptor.addMapping(salaryMapping); DirectToFieldMapping genderMapping = new DirectToFieldMapping(); genderMapping.setAttributeName("gender"); genderMapping.setFieldName("OTOJT_EMPLOYEE.GENDER"); ObjectTypeConverter genderMappingConverter = new ObjectTypeConverter(); genderMappingConverter.addConversionValue("F", "Female"); genderMappingConverter.addConversionValue("M", "Male"); genderMapping.setConverter(genderMappingConverter); descriptor.addMapping(genderMapping); DirectCollectionMapping responsibilitiesListMapping = new DirectCollectionMapping(); responsibilitiesListMapping.setAttributeName("responsibilitiesList"); responsibilitiesListMapping.useTransparentList(); responsibilitiesListMapping.setReferenceTableName("OTOJT_RESPONS"); responsibilitiesListMapping.setDirectFieldName("OTOJT_RESPONS.DESCRIP"); responsibilitiesListMapping.addReferenceKeyFieldName( "OTOJT_RESPONS.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); descriptor.addMapping(responsibilitiesListMapping); OneToOneMapping addressMapping = new OneToOneMapping(); addressMapping.setAttributeName("address"); addressMapping.setReferenceClass(Address.class); addressMapping.useBasicIndirection(); addressMapping.privateOwnedRelationship(); // addressMapping.addForeignKeyFieldName("OTOJT_EMPLOYEE.ADDR_ID", // "OTOJT_ADDRESS.ADDRESS_ID"); addressMapping.setRelationTableMechanism(new RelationTableMechanism()); addressMapping.getRelationTableMechanism().setRelationTableName("OTOJT_EMP_ADDRESS"); addressMapping .getRelationTableMechanism() .addSourceRelationKeyFieldName("OTOJT_EMP_ADDRESS.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); addressMapping .getRelationTableMechanism() .addTargetRelationKeyFieldName("OTOJT_EMP_ADDRESS.ADDR_ID", "OTOJT_ADDRESS.ADDRESS_ID"); descriptor.addMapping(addressMapping); // Joel:EJBQLTesting OneToOneMapping managerMapping = new OneToOneMapping(); managerMapping.setAttributeName("manager"); managerMapping.setReferenceClass(Employee.class); managerMapping.useBasicIndirection(); // managerMapping.addForeignKeyFieldName("OTOJT_EMPLOYEE.MANAGER_ID", // "OTOJT_EMPLOYEE.EMP_ID"); managerMapping.setRelationTableMechanism(new RelationTableMechanism()); managerMapping.getRelationTableMechanism().setRelationTableName("OTOJT_EMP_MANAGER"); managerMapping .getRelationTableMechanism() .addSourceRelationKeyFieldName("OTOJT_EMP_MANAGER.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); managerMapping .getRelationTableMechanism() .addTargetRelationKeyFieldName("OTOJT_EMP_MANAGER.MANAGER_ID", "OTOJT_EMPLOYEE.EMP_ID"); descriptor.addMapping(managerMapping); // OneToManyMapping managedEmployeesMapping = new OneToManyMapping(); ManyToManyMapping managedEmployeesMapping = new ManyToManyMapping(); managedEmployeesMapping.setAttributeName("managedEmployees"); managedEmployeesMapping.setReferenceClass(Employee.class); managedEmployeesMapping.useTransparentList(); // managedEmployeesMapping.addTargetForeignKeyFieldName("OTOJT_EMPLOYEE.MANAGER_ID", // "OTOJT_EMPLOYEE.EMP_ID"); managedEmployeesMapping.setRelationTableName("OTOJT_EMP_MANAGER"); managedEmployeesMapping.addSourceRelationKeyFieldName( "OTOJT_EMP_MANAGER.MANAGER_ID", "OTOJT_EMPLOYEE.EMP_ID"); managedEmployeesMapping.addTargetRelationKeyFieldName( "OTOJT_EMP_MANAGER.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); managedEmployeesMapping.readOnly(); descriptor.addMapping(managedEmployeesMapping); // OneToManyMapping childrenMapping = new OneToManyMapping(); ManyToManyMapping childrenMapping = new ManyToManyMapping(); childrenMapping.setAttributeName("children"); childrenMapping.setReferenceClass(Child.class); childrenMapping.addAscendingOrdering("birthday"); childrenMapping.useTransparentList(); childrenMapping.privateOwnedRelationship(); // childrenMapping.addTargetForeignKeyFieldName("OTOJT_CHILD.PARENT_EMP_ID", // "OTOJT_EMPLOYEE.EMP_ID"); childrenMapping.setRelationTableName("OTOJT_CHILD_PARENT"); childrenMapping.addSourceRelationKeyFieldName( "OTOJT_CHILD_PARENT.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); childrenMapping.addTargetRelationKeyFieldName( "OTOJT_CHILD_PARENT.CHILD_ID", "OTOJT_CHILD.CHILD_ID"); descriptor.addMapping(childrenMapping); ManyToManyMapping projectsMapping = new ManyToManyMapping(); projectsMapping.setAttributeName("projects"); projectsMapping.setReferenceClass(Project.class); projectsMapping.useTransparentList(); projectsMapping.setRelationTableName("OTOJT_PROJ_EMP"); projectsMapping.addSourceRelationKeyFieldName("OTOJT_PROJ_EMP.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); projectsMapping.addTargetRelationKeyFieldName( "OTOJT_PROJ_EMP.PROJ_ID", "OTOJT_PROJECT.PROJ_ID"); descriptor.addMapping(projectsMapping); OneToOneMapping projectLedMapping = new OneToOneMapping(); projectLedMapping.setAttributeName("projectLed"); projectLedMapping.setReferenceClass(Project.class); projectLedMapping.useBasicIndirection(); projectLedMapping.setRelationTableMechanism(new RelationTableMechanism()); projectLedMapping.getRelationTableMechanism().setRelationTableName("OTOJT_PROJ_LEADER"); projectLedMapping .getRelationTableMechanism() .addSourceRelationKeyFieldName("OTOJT_PROJ_LEADER.EMP_ID", "OTOJT_EMPLOYEE.EMP_ID"); projectLedMapping .getRelationTableMechanism() .addTargetRelationKeyFieldName("OTOJT_PROJ_LEADER.PROJ_ID", "PROJ_ID"); projectLedMapping.readOnly(); descriptor.addMapping(projectLedMapping); return descriptor; }