Example usage for org.hibernate.type Type isCollectionType

List of usage examples for org.hibernate.type Type isCollectionType

  1. HOME
  2. Java
  3. org.hibernate
  4. org.hibernate.type.*
  5. Type
  6. isCollectionType

Introduction

In this page you can find the example usage for org.hibernate.type Type isCollectionType.

Prototype

boolean isCollectionType();

Source Link

Document

Return true if the implementation is castable to CollectionType .

Usage

From source file:be.shad.tsqb.helper.TypeSafeQueryHelperImpl.java

License:Apache License

/**
 * Creates data based on the hibernate metadata for the given <code>property</code>.
 *///  w w  w .j av a  2s.c  om
TypeSafeQueryProxyData createChildData(TypeSafeQueryInternal query, TypeSafeQueryProxyData parent,
        String property) {
    Type propertyType = getTargetType(parent, property);
    Class<?> targetClass = getTargetEntityClass(propertyType);
    ClassMetadata metadata = getMetaData(targetClass);
    if (metadata == null && !propertyType.isComponentType()) {
        return query.getDataTree().createData(parent, property, targetClass);
    }
    TypeSafeQueryProxyType proxyType = null;
    if (metadata != null) {
        proxyType = propertyType.isCollectionType() ? EntityCollectionType : EntityType;
    } else {
        proxyType = propertyType instanceof ComponentType ? ComponentType : CompositeType;
    }
    TypeSafeQueryProxy proxy = (TypeSafeQueryProxy) proxyFactory.getProxy(targetClass, proxyType);
    TypeSafeQueryProxyData data = query.getDataTree().createData(parent, property, targetClass, proxyType,
            metadata == null ? null : metadata.getIdentifierPropertyName(), proxy);
    setEntityProxyMethodListener(query, proxy, data);
    return data;
}

From source file:be.shad.tsqb.helper.TypeSafeQueryHelperImpl.java

License:Apache License

/**
 *
 *///  ww w  .  java  2 s. c  o m
@Override
public String getMappedByProperty(TypeSafeQueryProxyData child) {
    Type propertyType = getTargetType(child.getParent(), child.getPropertyPath());
    if (!propertyType.isCollectionType()) {
        throw new IllegalArgumentException("Method not designed to fetch MappedByProperty "
                + "for a non-collection type. PropertyType was: " + propertyType);
    }

    CollectionMetadata collectionMetadata = (CollectionMetadata) metaModel
            .collectionPersister(((CollectionType) propertyType).getRole());
    if (collectionMetadata instanceof OneToManyPersister) {
        OneToManyPersister persister = (OneToManyPersister) collectionMetadata;
        return persister.getMappedByProperty();
    }
    // what about many to many?
    return null;
}

From source file:com.autobizlogic.abl.logic.LogicSvcs.java

License:Open Source License

/**
 * /*from   w w  w  .  jav  a 2s. c om*/
 * @param aSourceHibernateBean
 * @param aLogicRunner - just for context
 * @return 2nd instance of aSourceHibernateBean, with non-collection properties
 */
public static Object beanCopyOf(Object aSourceHibernateBean, LogicRunner aLogicRunner) {
    Object rtnTargetHibernateBean = null;
    LogicTransactionContext context = aLogicRunner.getContext();

    BigDecimal defaultValue = null; //new BigDecimal("0.0");  // an experiment
    Converter bdc = new BigDecimalConverter(defaultValue);
    ConvertUtils.register(bdc, BigDecimal.class);

    Class<?> hibernateDomainBeanClass = HibernateUtil.getEntityClassForBean(aSourceHibernateBean);
    ClassMetadata entityMeta = context.getSession().getSessionFactory()
            .getClassMetadata(hibernateDomainBeanClass);
    Type propertyTypes[] = entityMeta.getPropertyTypes();
    String propertyNames[] = entityMeta.getPropertyNames(); // hope names/types share index...

    String className = hibernateDomainBeanClass.getName();
    try {
        rtnTargetHibernateBean = ClassLoaderManager.getInstance().getClassFromName(className).newInstance();
    } catch (Exception e) {
        throw new LogicException("Unable to instantatiate new Bean like: " + aSourceHibernateBean, e);
    }
    BeanMap rtnBeanMap = new BeanMap(rtnTargetHibernateBean);
    BeanMap srcBeanMap = new BeanMap(aSourceHibernateBean);
    Object eachValue = null;
    for (int i = 0; i < propertyNames.length; i++) {
        String propertyName = propertyNames[i];
        try {
            Type type = propertyTypes[i];
            if (!type.isCollectionType() && !type.isEntityType()) { // NB - not moving collections!
                eachValue = srcBeanMap.get(propertyName);
                rtnBeanMap.put(propertyName, eachValue);
            } else {
                BeanUtils.setProperty(rtnTargetHibernateBean, propertyNames[i], null); // prevent ClassCastException: HashSet cannot be cast to PersistentCollection
            }
        } catch (Exception e) {
            throw new LogicException("Cannot set Property: " + propertyNames[i] + " = " + eachValue + ", on "
                    + rtnTargetHibernateBean);
        }
    }
    // TODO - IMPORTANT - set the key field(s), presumably using Hibernate meta data      
    return rtnTargetHibernateBean;
}

From source file:com.autobizlogic.abl.metadata.hibernate.HibMetaEntity.java

License:Open Source License

/**
 * Read all the properties from Hibernate metadata
 *//*from   w w  w  .j a  va  2  s . com*/
private void loadAllProperties() {
    if (allPropsRetrieved)
        return;

    synchronized (this) {
        if (!allPropsRetrieved) {
            metaAttributes = new HashMap<String, MetaAttribute>();
            metaRoles = new HashMap<String, MetaRole>();
            ClassMetadata meta = persister.getClassMetadata();
            String[] propNames = meta.getPropertyNames();
            for (String propName : propNames) {
                Type type;
                try {
                    type = persister.getClassMetadata().getPropertyType(propName);
                } catch (QueryException ex) {
                    throw new RuntimeException("Unable to determine type for property " + propName
                            + " of entity " + persister.getEntityName());
                }
                if (type.isComponentType()) {
                    // Do nothing
                } else if (type.isCollectionType() || type.isEntityType() || type.isAssociationType()) {
                    boolean isParentToChild = type.isCollectionType();
                    MetaRole mr = new HibMetaRole(this, propName, isParentToChild);
                    metaRoles.put(propName, mr);
                } else {
                    MetaAttribute ma = new HibMetaAttribute(propName, type.getReturnedClass(), false);
                    metaAttributes.put(propName, ma);
                }
            }

            // Often the primary attribute(s) is not returned by ClassMetadata.getPropertyNames
            // So we add it by hand here
            String pkName = meta.getIdentifierPropertyName();

            if (pkName == null) { // Can happen for composite keys
                Type pkType = meta.getIdentifierType();
                if (pkType.isComponentType()) {
                    ComponentType ctype = (ComponentType) pkType;
                    String[] pnames = ctype.getPropertyNames();
                    for (String pname : pnames) {
                        MetaAttribute ma = new HibMetaAttribute(pname,
                                meta.getPropertyType(pname).getReturnedClass(), false);
                        metaAttributes.put(pname, ma);
                    }
                } else
                    throw new RuntimeException(
                            "Unexpected: anonymous PK is not composite - class " + meta.getEntityName());
            } else if (!metaAttributes.containsKey(pkName)) {
                MetaAttribute ma = new HibMetaAttribute(pkName, meta.getIdentifierType().getReturnedClass(),
                        false);
                metaAttributes.put(pkName, ma);
            }

            allPropsRetrieved = true;
        }
    }
}

From source file:com.autobizlogic.abl.metadata.hibernate.HibMetaRole.java

License:Open Source License

/**
 * Get the MetaEntity at the other end of this role.
 *//*from ww w  .  ja  v  a 2 s  .co m*/
@Override
public HibMetaEntity getOtherMetaEntity() {

    if (otherMetaEntity != null)
        return otherMetaEntity;

    SessionFactoryImplementor sfi = (SessionFactoryImplementor) metaEntity.getMetaModel().getSessionFactory();
    EntityPersister thisPers = metaEntity.getPersister();
    Type type = thisPers.getPropertyType(roleName);
    if (type.isCollectionType() && !isCollection)
        throw new RuntimeException("Internal metadata inconsistency: role name " + roleName + " of "
                + metaEntity.getEntityName() + " is and isn't a collection");
    else if (type.isEntityType() && isCollection)
        throw new RuntimeException("Internal metadata inconsistency: role name " + roleName + " of "
                + metaEntity.getEntityName() + " is and isn't an entity");

    String otherEntityName = null;
    if (isCollection) {
        CollectionType ctype = (CollectionType) type;
        otherEntityName = ctype.getAssociatedEntityName(sfi);
    } else {
        EntityType etype = (EntityType) type;
        otherEntityName = etype.getAssociatedEntityName(sfi);
    }

    otherMetaEntity = (HibMetaEntity) metaEntity.getMetaModel().getMetaEntity(otherEntityName);
    if (otherMetaEntity == null)
        throw new RuntimeException("Unable to find entity " + otherEntityName + ", which is the value of role "
                + metaEntity.getEntityName() + "." + roleName);

    return otherMetaEntity;
}

From source file:com.autobizlogic.abl.metadata.hibernate.HibMetaRole.java

License:Open Source License

/**
 * Get the opposite role of the given role, if it exists
 * @param entityName The name of the entity who owns the role, e.g. com.foo.Customer
 * @param rName The role name, e.g. orders
 * @return Null if the role has no known inverse, or [entity name, role name] of the inverse
 *//*  ww w.j  av  a  2 s.c  o  m*/
private String[] getInverseOfRole(String entityName, String rName) {

    SessionFactory sessFact = ((HibMetaModel) getMetaEntity().getMetaModel()).getSessionFactory();
    ClassMetadata classMeta = sessFact.getClassMetadata(entityName);
    Type propType = classMeta.getPropertyType(rName);
    if (propType.isCollectionType()) {
        return getInverseOfCollectionRole(entityName, rName);
    }

    if (propType.isEntityType()) {
        return getInverseOfSingleRole(entityName, rName);
    }

    log.debug("Role " + entityName + "." + rName + " is neither a collection type "
            + "nor an entity type, and will be assumed to have no inverse.");
    return null;
}

From source file:com.autobizlogic.abl.metadata.hibernate.HibMetaRole.java

License:Open Source License

/**
 * Get the inverse of a many-to-one role
 * @param entityName The entity owning the role
 * @param rName The role name//from   ww  w  .ja va  2  s  .c o m
 * @return Null if no inverse was found, otherwise [entity name, role name] of the inverse role
 */
private String[] getInverseOfSingleRole(String entityName, String rName) {
    String[] result = new String[2];

    SessionFactory sessFact = ((HibMetaModel) getMetaEntity().getMetaModel()).getSessionFactory();
    AbstractEntityPersister childMeta = (AbstractEntityPersister) sessFact.getClassMetadata(entityName);
    int propIdx = childMeta.getPropertyIndex(rName);
    String[] cnames = childMeta.getPropertyColumnNames(propIdx);
    Type parentType = childMeta.getPropertyType(rName);
    if (parentType instanceof OneToOneType)
        return getInverseOfOneToOneRole(entityName, rName);
    if (!(parentType instanceof ManyToOneType))
        throw new RuntimeException("Inverse of single-valued role " + entityName + "." + rName
                + " is neither single-valued not multi-valued");
    ManyToOneType manyType = (ManyToOneType) parentType;
    String parentEntityName = manyType.getAssociatedEntityName();

    AbstractEntityPersister parentMeta = (AbstractEntityPersister) sessFact.getClassMetadata(parentEntityName);
    String[] propNames = parentMeta.getPropertyNames();
    for (int i = 0; i < propNames.length; i++) {
        Type type = parentMeta.getPropertyType(propNames[i]);
        if (!type.isCollectionType())
            continue;
        CollectionType collType = (CollectionType) type;
        if (!collType.getAssociatedEntityName((SessionFactoryImplementor) sessFact).equals(entityName))
            continue;

        AbstractCollectionPersister persister = (AbstractCollectionPersister) sessFact
                .getCollectionMetadata(parentEntityName + "." + propNames[i]);
        String[] colNames = persister.getKeyColumnNames();
        if (cnames.length != colNames.length)
            continue;
        boolean columnMatch = true;
        for (int j = 0; j < cnames.length; j++) {
            if (!cnames[j].equals(colNames[j])) {
                columnMatch = false;
                break;
            }
        }
        if (columnMatch) {
            result[0] = parentEntityName;
            result[1] = propNames[i];
            return result;
        }
    }

    return null;
}

From source file:com.ejushang.steward.common.genericdao.search.hibernate.HibernateEntityMetadata.java

License:Apache License

public Metadata getPropertyType(String property) {
    Type pType = metadata.getPropertyType(property);
    Class<?> pCollectionType = null;
    if (pType.isCollectionType()) {
        pType = ((CollectionType) pType).getElementType((SessionFactoryImplementor) sessionFactory);
        pCollectionType = pType.getReturnedClass();
    }//  w w w .j  a  va2 s.c  o  m

    if (pType.isEntityType()) {
        return new HibernateEntityMetadata(sessionFactory,
                sessionFactory.getClassMetadata(((EntityType) pType).getName()), pCollectionType);
    } else {
        return new HibernateNonEntityMetadata(sessionFactory, pType, pCollectionType);
    }
}

From source file:com.ejushang.steward.common.genericdao.search.hibernate.HibernateNonEntityMetadata.java

License:Apache License

public Metadata getPropertyType(String property) {
    if (!type.isComponentType())
        return null;

    int i = getPropertyIndex(property);
    if (i == -1) {
        return null;
    } else {/*  w w  w.j  av  a  2s.  com*/
        Type pType = ((ComponentType) type).getSubtypes()[i];
        Class<?> pCollectionType = null;
        if (pType.isCollectionType()) {
            pType = ((CollectionType) pType).getElementType((SessionFactoryImplementor) sessionFactory);
            pCollectionType = pType.getReturnedClass();
        }
        if (pType.isEntityType()) {
            return new HibernateEntityMetadata(sessionFactory,
                    sessionFactory.getClassMetadata(((EntityType) pType).getName()), pCollectionType);
        } else {
            return new HibernateNonEntityMetadata(sessionFactory, pType, pCollectionType);
        }
    }
}

From source file:com.fiveamsolutions.nci.commons.audit.AuditLogInterceptor.java

License:Open Source License

private boolean needsAuditing(Object auditableObj, Type type, Object newValue, Object oldValue,
        String property) {/*from   ww w.  j  av a 2 s  . c  om*/
    if (type.isCollectionType()) {
        return collectionNeedsAuditing(auditableObj, newValue, oldValue, property);
    }
    if (type.isEntityType()) {
        if (newValue != null && !processor.isAuditableEntity(newValue)) {
            return false;
        }
        if (oldValue != null && !processor.isAuditableEntity(oldValue)) {
            return false;
        }
    }

    return !ObjectUtils.equals(newValue, oldValue);
}