List of usage examples for org.hibernate.persister.entity AbstractEntityPersister toColumns
@Override public String[] toColumns(String propertyName) throws QueryException
From source file:com.aw.core.dao.meta.HbmUtil.java
License:Open Source License
public String getTableColumnName(Class entityClass, String entityField) { AbstractEntityPersister entityPersister = (AbstractEntityPersister) sessionFactory .getClassMetadata(entityClass); if (entityPersister == null) throw new IllegalArgumentException("Class " + entityClass + " is not an Hibernate entity class"); String[] cols = entityPersister.toColumns(entityField); return cols != null && cols.length > 0 ? cols[0] : null; }
From source file:com.blazebit.persistence.integration.hibernate.base.HibernateJpaProvider.java
License:Apache License
@Override public Map<String, String> getWritableMappedByMappings(EntityType<?> inverseType, EntityType<?> ownerType, String attributeName, String inverseAttribute) { AbstractEntityPersister entityPersister = getEntityPersister(ownerType); int propertyIndex = entityPersister.getEntityMetamodel().getPropertyIndex(attributeName); Type propertyType = entityPersister.getPropertyTypes()[propertyIndex]; org.hibernate.type.EntityType ownerPropertyType; if (propertyType instanceof CollectionType) { QueryableCollection persister = getCollectionPersister(ownerType, attributeName); AbstractEntityPersister inversePersister = getEntityPersister(inverseType); if (!persister.isInverse() && persister.getTableName().equals(inversePersister.getTableName())) { // We have a one-to-many relationship that has just join columns // Find properties for element columns in entityPersister // Map to properties for key columns of inverseType Set<String> elementAttributes = getColumnMatchingAttributeNames(entityPersister, Arrays.asList((entityPersister.toColumns(attributeName)))); Set<String> keyAttributes = removeIdentifierAccess(ownerType, elementAttributes, inverseType, getColumnMatchingAttributeNames(inversePersister, Arrays.asList(persister.getKeyColumnNames()))); Map<String, String> mapping = new HashMap<>(); Iterator<String> elemAttrIter = elementAttributes.iterator(); Iterator<String> keyAttrIter = keyAttributes.iterator(); while (elemAttrIter.hasNext()) { mapping.put(elemAttrIter.next(), keyAttrIter.next()); }/* w w w .j a v a2 s . co m*/ if (mapping.isEmpty()) { throw new IllegalArgumentException("Mapped by property '" + inverseType.getName() + "#" + attributeName + "' must be writable or the column must be part of the id!"); } return mapping; } else { // We only support detection when the inverse collection is writable if (entityPersister.getEntityMetamodel().getPropertyInsertability()[propertyIndex]) { return null; } throw new IllegalArgumentException("Mapped by property '" + inverseType.getName() + "#" + attributeName + "' must be writable!"); } } else { // Either the mapped by property is writable if (entityPersister.getEntityMetamodel().getPropertyInsertability()[propertyIndex]) { return null; } // Or the columns of the mapped by property are part of the target id ownerPropertyType = (org.hibernate.type.EntityType) propertyType; } AbstractEntityPersister sourceType = (AbstractEntityPersister) entityPersisters .get(ownerPropertyType.getAssociatedEntityName()); Type identifierType = ownerPropertyType.getIdentifierOrUniqueKeyType(entityPersister.getFactory()); String sourcePropertyPrefix; String[] sourcePropertyNames; if (identifierType.isComponentType()) { ComponentType componentType = (ComponentType) identifierType; sourcePropertyPrefix = sourceType.getIdentifierPropertyName() + "."; sourcePropertyNames = componentType.getPropertyNames(); } else { sourcePropertyPrefix = ""; sourcePropertyNames = new String[] { sourceType.getIdentifierPropertyName() }; } String[] targetColumnNames = entityPersister.getPropertyColumnNames(propertyIndex); Type targetIdType = entityPersister.getIdentifierType(); if (targetIdType.isComponentType()) { ComponentType targetIdentifierType = (ComponentType) entityPersister.getIdentifierType(); String targetPropertyPrefix = entityPersister.getIdentifierPropertyName() + "."; String[] identifierColumnNames = entityPersister.getIdentifierColumnNames(); String[] targetIdentifierTypePropertyNames = targetIdentifierType.getPropertyNames(); Map<String, String> mapping = new HashMap<>(); for (int i = 0; i < targetColumnNames.length; i++) { for (int j = 0; j < identifierColumnNames.length; j++) { if (targetColumnNames[i].equals(identifierColumnNames[j])) { mapping.put(sourcePropertyPrefix + sourcePropertyNames[i], targetPropertyPrefix + targetIdentifierTypePropertyNames[j]); break; } } } if (mapping.isEmpty()) { throw new IllegalArgumentException("Mapped by property '" + inverseType.getName() + "#" + attributeName + "' must be writable or the column must be part of the id!"); } return mapping; } else { String targetIdColumnName = entityPersister.getIdentifierColumnNames()[0]; if (!targetIdColumnName.equals(targetColumnNames[0])) { throw new IllegalArgumentException("Mapped by property '" + inverseType.getName() + "#" + attributeName + "' must be writable or the column must be part of the id!"); } Map<String, String> mapping = new HashMap<>(); mapping.put(sourcePropertyPrefix + sourcePropertyNames[0], entityPersister.getIdentifierPropertyName()); return mapping; } }