Java tutorial
/** * Copyright 2005-2013 The Kuali Foundation * * Licensed under the Educational Community License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.opensource.org/licenses/ecl2.php * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.kuali.rice.krad.service.impl; import java.beans.PropertyDescriptor; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.lang.StringUtils; import org.kuali.rice.core.framework.persistence.jpa.metadata.EntityDescriptor; import org.kuali.rice.core.framework.persistence.jpa.metadata.JoinColumnDescriptor; import org.kuali.rice.core.framework.persistence.jpa.metadata.MetadataManager; import org.kuali.rice.core.framework.persistence.jpa.metadata.ObjectDescriptor; import org.kuali.rice.krad.bo.DataObjectRelationship; import org.kuali.rice.krad.bo.PersistableBusinessObject; import org.kuali.rice.krad.exception.ObjectNotABusinessObjectRuntimeException; import org.kuali.rice.krad.exception.ReferenceAttributeDoesntExistException; import org.kuali.rice.krad.exception.ReferenceAttributeNotAnOjbReferenceException; import org.kuali.rice.krad.service.PersistenceStructureService; import org.kuali.rice.krad.util.ForeignKeyFieldsPopulationState; public class PersistenceStructureServiceJpaImpl extends PersistenceServiceImplBase implements PersistenceStructureService { /** * * special case when the attributeClass passed in doesnt match the class of * the reference-descriptor as defined in ojb-repository. Currently the only * case of this happening is ObjectCode vs. ObjectCodeCurrent. * * NOTE: This method makes no real sense and is a product of a hack * introduced by KFS for an unknown reason. If you find yourself using this * map stop and go do something else. * * @param from * the class in the code * @param to * the class in the repository */ public static Map<Class, Class> referenceConversionMap = new HashMap<Class, Class>(); /** * @see org.kuali.rice.krad.service.PersistenceService#isPersistable(java.lang.Class) */ public boolean isPersistable(Class clazz) { boolean isPersistable = false; if (MetadataManager.getEntityDescriptor(clazz) != null) { isPersistable = true; } return isPersistable; } /** * @see org.kuali.rice.krad.service.PersistenceService#getPrimaryKeys(java.lang.Class) */ public List getPrimaryKeys(Class clazz) { List pkList = new ArrayList(); EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(clazz); for (org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor field : descriptor .getPrimaryKeys()) { pkList.add(field.getName()); } return pkList; } /** * @see org.kuali.rice.krad.service.PersistenceMetadataExplorerService#listFieldNames(java.lang.Class) */ public List listFieldNames(Class clazz) { List fieldNames = new ArrayList(); EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(clazz); for (org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor field : descriptor .getFields()) { fieldNames.add(field.getName()); } return fieldNames; } /** * @see org.kuali.rice.krad.service.PersistenceMetadataService#clearPrimaryKeyFields(java.lang.Object) */ // Unit tests only // TODO: Write JPA Version public Object clearPrimaryKeyFields(Object persistableObject) { /* * if (persistableObject == null) { throw new * IllegalArgumentException("invalid (null) persistableObject"); } * * String className = null; String fieldName = null; try { className = * persistableObject.getClass().getName(); List fields = * listPrimaryKeyFieldNames(persistableObject.getClass()); for (Iterator * i = fields.iterator(); i.hasNext();) { fieldName = (String) i.next(); * * PropertyUtils.setProperty(persistableObject, fieldName, null); } * * if (persistableObject instanceof PersistableBusinessObject) { * ((PersistableBusinessObject) persistableObject).setObjectId(null); } } * catch (NoSuchMethodException e) { throw new * IntrospectionException("no setter for property '" + className + "." + * fieldName + "'", e); } catch (IllegalAccessException e) { throw new * IntrospectionException("problem accessing property '" + className + * "." + fieldName + "'", e); } catch (InvocationTargetException e) { * throw new IntrospectionException("problem invoking getter for * property '" + className + "." + fieldName + "'", e); } */ return persistableObject; } /** * @see org.kuali.rice.krad.service.PersistenceMetadataExplorerService#listPersistableSubclasses(java.lang.Class) */ // Unit tests only // TODO: Write JPA Version public List listPersistableSubclasses(Class superclazz) { List persistableSubclasses = new ArrayList(); /* * if (superclazz == null) { throw new IllegalArgumentException("invalid * (null) uberclass"); } * * Map allDescriptors = getDescriptorRepository().getDescriptorTable(); * for (Iterator i = allDescriptors.entrySet().iterator(); i.hasNext();) { * Map.Entry e = (Map.Entry) i.next(); * * Class persistableClass = ((ClassDescriptor) * e.getValue()).getClassOfObject(); if * (!superclazz.equals(persistableClass) && * superclazz.isAssignableFrom(persistableClass)) { * persistableSubclasses.add(persistableClass); } } */ return persistableSubclasses; } /** * @see org.kuali.rice.krad.service.PersistenceService#getRelationshipMetadata(java.lang.Class, * java.lang.String) */ public Map<String, DataObjectRelationship> getRelationshipMetadata(Class persistableClass, String attributeName, String attributePrefix) { if (persistableClass == null) { throw new IllegalArgumentException("invalid (null) persistableClass"); } if (StringUtils.isBlank(attributeName)) { throw new IllegalArgumentException("invalid (blank) attributeName"); } Map<String, DataObjectRelationship> relationships = new HashMap<String, DataObjectRelationship>(); EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(persistableClass); for (ObjectDescriptor objectDescriptor : descriptor.getObjectRelationships()) { List<String> fks = objectDescriptor.getForeignKeyFields(); if (fks.contains(attributeName) || objectDescriptor.getAttributeName().equals(attributeName)) { Map<String, String> fkToPkRefs = getForeignKeysForReference(persistableClass, objectDescriptor.getAttributeName()); DataObjectRelationship rel = new DataObjectRelationship(persistableClass, objectDescriptor.getAttributeName(), objectDescriptor.getTargetEntity()); for (Map.Entry<String, String> ref : fkToPkRefs.entrySet()) { if (StringUtils.isBlank(attributePrefix)) { rel.getParentToChildReferences().put(ref.getKey(), ref.getValue()); } else { rel.getParentToChildReferences().put(attributePrefix + "." + ref.getKey(), ref.getValue()); } } relationships.put(objectDescriptor.getAttributeName(), rel); } } return relationships; } // Unit tests only public Map<String, DataObjectRelationship> getRelationshipMetadata(Class persistableClass, String attributeName) { return getRelationshipMetadata(persistableClass, attributeName, null); } /** * @see org.kuali.rice.krad.service.PersistenceService#getForeignKeyFieldName(java.lang.Object, * java.lang.String, java.lang.String) */ public String getForeignKeyFieldName(Class persistableObjectClass, String attributeName, String pkName) { String fkName = null; EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(persistableObjectClass); ObjectDescriptor objectDescriptor = descriptor.getObjectDescriptorByName(attributeName); if (objectDescriptor == null) { throw new RuntimeException("Attribute name " + attributeName + " is not a valid reference to class " + persistableObjectClass.getName()); } List<org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor> matches = new ArrayList<org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor>(); for (org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor field : descriptor .getFields()) { String column = field.getColumn(); for (JoinColumnDescriptor join : objectDescriptor.getJoinColumnDescriptors()) { if (column != null && column.equals(join.getName())) { matches.add(field); } } } if (matches.size() == 1) { fkName = matches.get(0).getName(); } else { throw new RuntimeException("Implement me!"); } return fkName; } /** * @see org.kuali.rice.krad.service.PersistenceService#getReferencesForForeignKey(java.lang.Class, * java.lang.String) */ public Map getReferencesForForeignKey(Class persistableObjectClass, String attributeName) { Map referenceClasses = new HashMap(); if (PersistableBusinessObject.class.isAssignableFrom(persistableObjectClass)) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(persistableObjectClass); for (ObjectDescriptor objectDescriptor : descriptor.getObjectRelationships()) { List<String> refFkNames = objectDescriptor.getForeignKeyFields(); for (String fk : refFkNames) { if (fk.equals(attributeName)) { referenceClasses.put(objectDescriptor.getAttributeName(), objectDescriptor.getTargetEntity()); } } } } return referenceClasses; } /** * @see org.kuali.rice.krad.service.PersistenceService#getForeignKeysForReference(java.lang.Class, * java.lang.String) The Map structure is: Key(String fkFieldName) => * Value(String pkFieldName) NOTE that this implementation depends on * the ordering of foreign-key elements in the ojb-repository matching * the ordering of primary-key declarations of the class on the other * side of the relationship. This is done because: 1. The current * version of OJB requires you to declare all of these things in the * correct (and matching) order in the ojb-repository file for it to * work at all. 2. There is no other way to match a given foreign-key * reference to its corresponding primary-key on the opposing side of * the relationship. Yes, this is a crummy way to do it, but OJB doesnt * provide explicit matches of foreign-keys to primary keys, and always * assumes that foreign-keys map to primary keys on the other object, * and never to a set of candidate keys, or any other column. */ public Map getForeignKeysForReference(Class clazz, String attributeName) { // yelp if nulls were passed in if (clazz == null) { throw new IllegalArgumentException("The Class passed in for the clazz argument was null."); } if (attributeName == null) { throw new IllegalArgumentException("The String passed in for the attributeName argument was null."); } // get the class of the attribute name Class attributeClass = getBusinessObjectAttributeClass(clazz, attributeName); if (attributeClass == null) { throw new ReferenceAttributeDoesntExistException("Requested attribute: '" + attributeName + "' does not exist on class: '" + clazz.getName() + "'."); } // make sure the class of the attribute descends from BusinessObject, // otherwise throw an exception if (!PersistableBusinessObject.class.isAssignableFrom(attributeClass)) { throw new ObjectNotABusinessObjectRuntimeException("Attribute requested (" + attributeName + ") is of class: '" + attributeClass.getName() + "' and is not a descendent of BusinessObject. Only descendents of BusinessObject can be used."); } return determineFkMap(clazz, attributeName, attributeClass); } private Map determineFkMap(Class clazz, String attributeName, Class attributeClass) { Map fkMap = new HashMap(); EntityDescriptor entityDescriptor = MetadataManager.getEntityDescriptor(clazz); ObjectDescriptor objectDescriptor = entityDescriptor.getObjectDescriptorByName(attributeName); if (objectDescriptor == null) { throw new ReferenceAttributeNotAnOjbReferenceException("Attribute requested (" + attributeName + ") is not defined in JPA annotations for class: '" + clazz.getName() + "'"); } // special case when the attributeClass passed in doesnt match the // class of the reference-descriptor as defined in ojb-repository. // Currently // the only case of this happening is ObjectCode vs. // ObjectCodeCurrent. if (!attributeClass.equals(objectDescriptor.getTargetEntity())) { if (referenceConversionMap.containsKey(attributeClass)) { attributeClass = referenceConversionMap.get(attributeClass); } else { throw new RuntimeException("The Class of the Java member [" + attributeClass.getName() + "] '" + attributeName + "' does not match the class of the reference [" + objectDescriptor.getTargetEntity().getName() + "]. " + "This is an unhandled special case for which special code needs to be written in this class."); } } // get the list of the foreign-keys for this reference-descriptor // (OJB) List<String> fkFields = objectDescriptor.getForeignKeyFields(); Iterator<String> fkIterator = fkFields.iterator(); // get the list of the corresponding pk fields on the other side of // the relationship List pkFields = getPrimaryKeys(attributeClass); Iterator pkIterator = pkFields.iterator(); // make sure the size of the pkIterator is the same as the // size of the fkIterator, otherwise this whole thing is borked if (pkFields.size() != fkFields.size()) { throw new RuntimeException("KualiPersistenceStructureService Error: The number of " + "foreign keys doesnt match the number of primary keys."); } // walk through the list of the foreign keys, get their types while (fkIterator.hasNext()) { // if there is a next FK but not a next PK, then we've got a big // problem, // and cannot continue if (!pkIterator.hasNext()) { throw new RuntimeException( "The number of foriegn keys dont match the number of primary keys for the reference '" + attributeName + "', on BO of type '" + clazz.getName() + "'. " + "This should never happen under normal circumstances."); } // get the field name of the fk & pk field String fkFieldName = (String) fkIterator.next(); String pkFieldName = (String) pkIterator.next(); // add the fieldName and fieldType to the map fkMap.put(fkFieldName, pkFieldName); } return fkMap; } public Map<String, String> getInverseForeignKeysForCollection(Class boClass, String collectionName) { // yelp if nulls were passed in if (boClass == null) { throw new IllegalArgumentException("The Class passed in for the boClass argument was null."); } if (collectionName == null) { throw new IllegalArgumentException("The String passed in for the attributeName argument was null."); } PropertyDescriptor propertyDescriptor = null; // make an instance of the class passed Object classInstance; try { classInstance = boClass.newInstance(); } catch (Exception e) { throw new RuntimeException(e); } // make sure the attribute exists at all, throw exception if not try { propertyDescriptor = PropertyUtils.getPropertyDescriptor(classInstance, collectionName); } catch (Exception e) { throw new RuntimeException(e); } if (propertyDescriptor == null) { throw new ReferenceAttributeDoesntExistException("Requested attribute: '" + collectionName + "' does not exist " + "on class: '" + boClass.getName() + "'. GFK"); } // get the class of the attribute name Class attributeClass = propertyDescriptor.getPropertyType(); // make sure the class of the attribute descends from BusinessObject, // otherwise throw an exception if (!Collection.class.isAssignableFrom(attributeClass)) { throw new ObjectNotABusinessObjectRuntimeException( "Attribute requested (" + collectionName + ") is of class: " + "'" + attributeClass.getName() + "' and is not a " + "descendent of Collection"); } EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); org.kuali.rice.core.framework.persistence.jpa.metadata.CollectionDescriptor cd = descriptor .getCollectionDescriptorByName(collectionName); List<String> childPrimaryKeys = cd.getForeignKeyFields(); List parentForeignKeys = getPrimaryKeys(boClass); if (parentForeignKeys.size() != childPrimaryKeys.size()) { throw new RuntimeException( "The number of keys in the class descriptor and the inverse foreign key mapping for the collection descriptors do not match."); } Map<String, String> fkToPkMap = new HashMap<String, String>(); Iterator pFKIter = parentForeignKeys.iterator(); Iterator cPKIterator = childPrimaryKeys.iterator(); while (pFKIter.hasNext()) { String parentForeignKey = (String) pFKIter.next(); String childPrimaryKey = (String) cPKIterator.next(); fkToPkMap.put(parentForeignKey, childPrimaryKey); } return fkToPkMap; } /** * @see org.kuali.rice.krad.service.PersistenceService#getNestedForeignKeyMap(java.lang.Class) */ public Map getNestedForeignKeyMap(Class persistableObjectClass) { Map fkMap = new HashMap(); // Rice JPA MetadataManager // Note: Not sure how to test this method, and JPA and OJB ordering of // PK/FK is not the same as well. This should be tested more thoroughly. EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(persistableObjectClass); for (ObjectDescriptor objectReferenceDescriptor : descriptor.getObjectRelationships()) { EntityDescriptor referenceDescriptor = MetadataManager .getEntityDescriptor(objectReferenceDescriptor.getTargetEntity()); List<String> fkFields = objectReferenceDescriptor.getForeignKeyFields(); Set<org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor> pkFields = referenceDescriptor .getPrimaryKeys(); int i = 0; for (org.kuali.rice.core.framework.persistence.jpa.metadata.FieldDescriptor fd : pkFields) { fkMap.put(objectReferenceDescriptor.getAttributeName() + "." + fd.getName(), fkFields.get(i)); i++; } } return fkMap; } /** * @see org.kuali.rice.krad.service.PersistenceMetadataService#hasPrimaryKeyFieldValues(java.lang.Object) */ public boolean hasPrimaryKeyFieldValues(Object persistableObject) { Map keyFields = getPrimaryKeyFieldValues(persistableObject); boolean emptyField = false; for (Iterator i = keyFields.entrySet().iterator(); !emptyField && i.hasNext();) { Map.Entry e = (Map.Entry) i.next(); Object fieldValue = e.getValue(); if (fieldValue == null) { emptyField = true; } else if (fieldValue instanceof String) { if (StringUtils.isEmpty((String) fieldValue)) { emptyField = true; } else { emptyField = false; } } } return !emptyField; } /** * @see org.kuali.rice.krad.service.PersistenceService#getForeignKeyFieldsPopulationState(org.kuali.rice.krad.bo.BusinessObject, * java.lang.String) */ public ForeignKeyFieldsPopulationState getForeignKeyFieldsPopulationState(PersistableBusinessObject bo, String referenceName) { boolean allFieldsPopulated = true; boolean anyFieldsPopulated = false; List<String> unpopulatedFields = new ArrayList<String>(); // yelp if nulls were passed in if (bo == null) { throw new IllegalArgumentException("The Class passed in for the BusinessObject argument was null."); } if (StringUtils.isBlank(referenceName)) { throw new IllegalArgumentException( "The String passed in for the referenceName argument was null or empty."); } PropertyDescriptor propertyDescriptor = null; // make sure the attribute exists at all, throw exception if not try { propertyDescriptor = PropertyUtils.getPropertyDescriptor(bo, referenceName); } catch (Exception e) { throw new RuntimeException(e); } if (propertyDescriptor == null) { throw new ReferenceAttributeDoesntExistException("Requested attribute: '" + referenceName + "' does not exist " + "on class: '" + bo.getClass().getName() + "'."); } // get the class of the attribute name Class referenceClass = propertyDescriptor.getPropertyType(); // make sure the class of the attribute descends from BusinessObject, // otherwise throw an exception if (!PersistableBusinessObject.class.isAssignableFrom(referenceClass)) { throw new ObjectNotABusinessObjectRuntimeException("Attribute requested (" + referenceName + ") is of class: " + "'" + referenceClass.getName() + "' and is not a " + "descendent of BusinessObject. Only descendents of BusinessObject " + "can be used."); } EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(bo.getClass()); ObjectDescriptor objectDescriptor = descriptor.getObjectDescriptorByName(referenceName); if (objectDescriptor == null) { throw new ReferenceAttributeNotAnOjbReferenceException( "Attribute requested (" + referenceName + ") is not listed " + "in OJB as a reference-descriptor for class: '" + bo.getClass().getName() + "'"); } List<String> fkFields = objectDescriptor.getForeignKeyFields(); Iterator fkIterator = fkFields.iterator(); // walk through the list of the foreign keys, get their types while (fkIterator.hasNext()) { // get the field name of the fk & pk field String fkFieldName = (String) fkIterator.next(); // get the value for the fk field Object fkFieldValue = null; try { fkFieldValue = PropertyUtils.getSimpleProperty(bo, fkFieldName); } // abort if the value is not retrievable catch (Exception e) { throw new RuntimeException(e); } // test the value if (fkFieldValue == null) { allFieldsPopulated = false; unpopulatedFields.add(fkFieldName); } else if (fkFieldValue instanceof String) { if (StringUtils.isBlank((String) fkFieldValue)) { allFieldsPopulated = false; unpopulatedFields.add(fkFieldName); } else { anyFieldsPopulated = true; } } else { anyFieldsPopulated = true; } } // sanity check. if the flag for all fields populated is set, then // there should be nothing in the unpopulatedFields list if (allFieldsPopulated) { if (!unpopulatedFields.isEmpty()) { throw new RuntimeException("The flag is set that indicates all fields are populated, but there " + "are fields present in the unpopulatedFields list. This should never happen, and indicates " + "that the logic in this method is broken."); } } return new ForeignKeyFieldsPopulationState(allFieldsPopulated, anyFieldsPopulated, unpopulatedFields); } /** * @see org.kuali.rice.krad.service.PersistenceStructureService#listReferenceObjectFieldNames(java.lang.Class) */ public Map<String, Class> listReferenceObjectFields(Class boClass) { // validate parameter if (boClass == null) { throw new IllegalArgumentException("Class specified in the parameter was null."); } if (!PersistableBusinessObject.class.isAssignableFrom(boClass)) { throw new IllegalArgumentException("Class specified [" + boClass.getName() + "] must be a class that " + "inherits from BusinessObject."); } EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); Map<String, Class> references = new HashMap(); for (org.kuali.rice.core.framework.persistence.jpa.metadata.ObjectDescriptor od : descriptor .getObjectRelationships()) { references.put(od.getAttributeName(), od.getTargetEntity()); } return references; } public Map<String, Class> listCollectionObjectTypes(Class boClass) { if (boClass == null) { throw new IllegalArgumentException("Class specified in the parameter was null."); } Map<String, Class> references = new HashMap(); EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); if (descriptor == null) { return references; } for (org.kuali.rice.core.framework.persistence.jpa.metadata.CollectionDescriptor cd : descriptor .getCollectionRelationships()) { references.put(cd.getAttributeName(), cd.getTargetEntity()); } return references; } public Map<String, Class> listCollectionObjectTypes(PersistableBusinessObject bo) { // validate parameter if (bo == null) { throw new IllegalArgumentException("BO specified in the parameter was null."); } if (!(bo instanceof PersistableBusinessObject)) { throw new IllegalArgumentException("BO specified [" + bo.getClass().getName() + "] must be a class that " + "inherits from BusinessObject."); } return listCollectionObjectTypes(bo.getClass()); } /** * @see org.kuali.rice.krad.service.PersistenceStructureService#listReferenceObjectFieldNames(org.kuali.rice.krad.bo.BusinessObject) */ public Map<String, Class> listReferenceObjectFields(PersistableBusinessObject bo) { // validate parameter if (bo == null) { throw new IllegalArgumentException("BO specified in the parameter was null."); } if (!(bo instanceof PersistableBusinessObject)) { throw new IllegalArgumentException("BO specified [" + bo.getClass().getName() + "] must be a class that " + "inherits from BusinessObject."); } return listReferenceObjectFields(bo.getClass()); } public boolean isReferenceUpdatable(Class boClass, String referenceName) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); return descriptor.getObjectDescriptorByName(referenceName).isUpdateable(); // for (CascadeType ct : descriptor.getObjectDescriptorByName(referenceName).getCascade()) { // if (ct.equals(CascadeType.ALL) || ct.equals(CascadeType.MERGE) || ct.equals(CascadeType.PERSIST)) { // return true; // } // } // return false; } public boolean isCollectionUpdatable(Class boClass, String collectionName) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); return descriptor.getCollectionDescriptorByName(collectionName).isUpdateable(); // for (CascadeType ct : descriptor.getCollectionDescriptorByName(collectionName).getCascade()) { // if (ct.equals(CascadeType.ALL) || ct.equals(CascadeType.MERGE) || ct.equals(CascadeType.PERSIST)) { // return true; // } // } // return false; } public boolean hasCollection(Class boClass, String collectionName) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); return descriptor.getCollectionDescriptorByName(collectionName) != null; } public boolean hasReference(Class boClass, String referenceName) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); return descriptor.getObjectDescriptorByName(referenceName) != null; } /** * @see org.kuali.rice.krad.service.PersistenceStructureService#getTableName(java.lang.Class) */ public String getTableName(Class<? extends PersistableBusinessObject> boClass) { EntityDescriptor descriptor = MetadataManager.getEntityDescriptor(boClass); return descriptor.getTable(); } }