Example usage for org.hibernate.mapping RootClass DEFAULT_DISCRIMINATOR_COLUMN

Introduction

In this page you can find the example usage for org.hibernate.mapping RootClass DEFAULT_DISCRIMINATOR_COLUMN_NAME.

Prototype

String DEFAULT_DISCRIMINATOR_COLUMN_NAME

To view the source code for org.hibernate.mapping RootClass DEFAULT_DISCRIMINATOR_COLUMN_NAME.

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Usage

From source file:org.codehaus.groovy.grails.orm.hibernate.cfg.AbstractGrailsDomainBinder.java

License:Apache License

protected void bindCollectionSecondPass(GrailsDomainClassProperty property, Mappings mappings,
        Map<?, ?> persistentClasses, Collection collection, String sessionFactoryBeanName) {

    PersistentClass associatedClass = null;

    if (LOG.isDebugEnabled())
        LOG.debug("Mapping collection: " + collection.getRole() + " -> "
                + collection.getCollectionTable().getName());

    PropertyConfig propConfig = getPropertyConfig(property);

    if (propConfig != null && StringUtils.hasText(propConfig.getSort())) {
        if (!property.isBidirectional() && property.isOneToMany()) {
            throw new GrailsDomainException("Default sort for associations ["
                    + property.getDomainClass().getName() + "->" + property.getName()
                    + "] are not supported with unidirectional one to many relationships.");
        }/* ww w .  ja  v a 2  s . co  m*/
        GrailsDomainClass referenced = property.getReferencedDomainClass();
        if (referenced != null) {
            GrailsDomainClassProperty propertyToSortBy = referenced.getPropertyByName(propConfig.getSort());

            String associatedClassName = property.getReferencedDomainClass().getFullName();

            associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
            if (associatedClass != null) {
                collection.setOrderBy(buildOrderByClause(propertyToSortBy.getName(), associatedClass,
                        collection.getRole(), propConfig.getOrder() != null ? propConfig.getOrder() : "asc"));
            }
        }
    }

    // Configure one-to-many
    if (collection.isOneToMany()) {

        GrailsDomainClass referenced = property.getReferencedDomainClass();
        Mapping m = getRootMapping(referenced);
        boolean tablePerSubclass = m != null && !m.getTablePerHierarchy();

        if (referenced != null && !referenced.isRoot() && !tablePerSubclass) {
            Mapping rootMapping = getRootMapping(referenced);
            String discriminatorColumnName = RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME;

            if (rootMapping != null) {
                final ColumnConfig discriminatorColumn = rootMapping.getDiscriminatorColumn();
                if (discriminatorColumn != null) {
                    discriminatorColumnName = discriminatorColumn.getName();
                }
                if (rootMapping.getDiscriminatorMap().get("formula") != null) {
                    discriminatorColumnName = (String) m.getDiscriminatorMap().get("formula");
                }
            }
            //NOTE: this will build the set for the in clause if it has sublcasses
            Set<String> discSet = buildDiscriminatorSet(referenced);
            String inclause = DefaultGroovyMethods.join(discSet, ",");

            collection.setWhere(discriminatorColumnName + " in (" + inclause + ")");
        }

        OneToMany oneToMany = (OneToMany) collection.getElement();
        String associatedClassName = oneToMany.getReferencedEntityName();

        associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
        // if there is no persistent class for the association throw exception
        if (associatedClass == null) {
            throw new MappingException(
                    "Association references unmapped class: " + oneToMany.getReferencedEntityName());
        }

        oneToMany.setAssociatedClass(associatedClass);
        if (shouldBindCollectionWithForeignKey(property)) {
            collection.setCollectionTable(associatedClass.getTable());
        }

        bindCollectionForPropertyConfig(collection, propConfig);
    }

    if (isSorted(property)) {
        collection.setSorted(true);
    }

    // setup the primary key references
    DependantValue key = createPrimaryKeyValue(mappings, property, collection, persistentClasses);

    // link a bidirectional relationship
    if (property.isBidirectional()) {
        GrailsDomainClassProperty otherSide = property.getOtherSide();
        if (otherSide.isManyToOne() && shouldBindCollectionWithForeignKey(property)) {
            linkBidirectionalOneToMany(collection, associatedClass, key, otherSide);
        } else if (property.isManyToMany() || Map.class.isAssignableFrom(property.getType())) {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    } else {
        if (hasJoinKeyMapping(propConfig)) {
            bindSimpleValue("long", key, false, propConfig.getJoinTable().getKey().getName(), mappings);
        } else {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    }
    collection.setKey(key);

    // get cache config
    if (propConfig != null) {
        CacheConfig cacheConfig = propConfig.getCache();
        if (cacheConfig != null) {
            collection.setCacheConcurrencyStrategy(cacheConfig.getUsage());
        }
    }

    // if we have a many-to-many
    if (property.isManyToMany() || isBidirectionalOneToManyMap(property)) {
        GrailsDomainClassProperty otherSide = property.getOtherSide();

        if (property.isBidirectional()) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Mapping other side " + otherSide.getDomainClass().getName()
                        + "." + otherSide.getName() + " -> " + collection.getCollectionTable().getName()
                        + " as ManyToOne");
            ManyToOne element = new ManyToOne(mappings, collection.getCollectionTable());
            bindManyToMany(otherSide, element, mappings, sessionFactoryBeanName);
            collection.setElement(element);
            bindCollectionForPropertyConfig(collection, propConfig);
            if (property.isCircular()) {
                collection.setInverse(false);
            }
        } else {
            // TODO support unidirectional many-to-many
        }
    } else if (shouldCollectionBindWithJoinColumn(property)) {
        bindCollectionWithJoinTable(property, mappings, collection, propConfig, sessionFactoryBeanName);

    } else if (isUnidirectionalOneToMany(property)) {
        // for non-inverse one-to-many, with a not-null fk, add a backref!
        // there are problems with list and map mappings and join columns relating to duplicate key constraints
        // TODO change this when HHH-1268 is resolved
        bindUnidirectionalOneToMany(property, mappings, collection);
    }
}

From source file:org.codehaus.groovy.grails.orm.hibernate.cfg.AbstractGrailsDomainBinder.java

License:Apache License

/**
 * Creates and binds the discriminator property used in table-per-hierarchy inheritance to
 * discriminate between sub class instances
 *
 * @param table    The table to bind onto
 * @param entity   The root class entity
 * @param mappings The mappings instance
 *///w  w  w  .  j  a v  a  2 s  . c  o  m
protected void bindDiscriminatorProperty(Table table, RootClass entity, Mappings mappings) {
    Mapping m = getMapping(entity.getMappedClass());
    SimpleValue d = new SimpleValue(mappings, table);
    entity.setDiscriminator(d);
    entity.setDiscriminatorValue(
            m != null && m.getDiscriminator() != null ? m.getDiscriminator() : entity.getClassName());

    if (m != null && m.getDiscriminatorMap().get("insert") != null) {
        entity.setDiscriminatorInsertable((Boolean) m.getDiscriminatorMap().get("insert"));
    }
    if (m != null && m.getDiscriminatorMap().get("type") != null) {
        d.setTypeName((String) m.getDiscriminatorMap().get("type"));
    }

    if (m != null && m.getDiscriminatorMap().get("formula") != null) {
        Formula formula = new Formula();
        formula.setFormula((String) m.getDiscriminatorMap().get("formula"));
        d.addFormula(formula);
    } else {
        bindSimpleValue(STRING_TYPE, d, false, RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME, mappings);

        ColumnConfig cc = m == null ? null : m.getDiscriminatorColumn();
        if (cc != null) {
            Column c = (Column) d.getColumnIterator().next();
            if (cc.getName() != null) {
                c.setName(cc.getName());
            }
            bindColumnConfigToColumn(c, cc);
        }
    }

    entity.setPolymorphic(true);
}

From source file:org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsDomainBinder.java

License:Apache License

private static void bindCollectionSecondPass(GrailsDomainClassProperty property, Mappings mappings,
        Map<?, ?> persistentClasses, Collection collection, String sessionFactoryBeanName) {

    PersistentClass associatedClass = null;

    if (LOG.isDebugEnabled())
        LOG.debug("Mapping collection: " + collection.getRole() + " -> "
                + collection.getCollectionTable().getName());

    PropertyConfig propConfig = getPropertyConfig(property);

    if (propConfig != null && !StringUtils.isBlank(propConfig.getSort())) {
        if (!property.isBidirectional() && property.isOneToMany()) {
            throw new GrailsDomainException("Default sort for associations ["
                    + property.getDomainClass().getName() + "->" + property.getName()
                    + "] are not supported with unidirectional one to many relationships.");
        }/*w  w w .ja  v a2s. c  o m*/
        GrailsDomainClass referenced = property.getReferencedDomainClass();
        if (referenced != null) {
            GrailsDomainClassProperty propertyToSortBy = referenced.getPropertyByName(propConfig.getSort());

            String associatedClassName = property.getReferencedDomainClass().getFullName();

            associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
            if (associatedClass != null) {
                collection.setOrderBy(buildOrderByClause(propertyToSortBy.getName(), associatedClass,
                        collection.getRole(), propConfig.getOrder() != null ? propConfig.getOrder() : "asc"));
            }
        }
    }

    // Configure one-to-many
    if (collection.isOneToMany()) {

        GrailsDomainClass referenced = property.getReferencedDomainClass();
        Mapping m = getRootMapping(referenced);
        boolean tablePerSubclass = m != null && !m.getTablePerHierarchy();

        if (referenced != null && !referenced.isRoot() && !tablePerSubclass) {
            Mapping rootMapping = getRootMapping(referenced);
            String discriminatorColumnName = RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME;

            if (rootMapping != null) {
                final ColumnConfig discriminatorColumn = rootMapping.getDiscriminatorColumn();
                if (discriminatorColumn != null) {
                    discriminatorColumnName = discriminatorColumn.getName();
                }
                if (rootMapping.getDiscriminatorMap().get("formula") != null) {
                    discriminatorColumnName = (String) m.getDiscriminatorMap().get("formula");
                }
            }
            //NOTE: this will build the set for the in clause if it has sublcasses
            Set<String> discSet = buildDiscriminatorSet(referenced);
            String inclause = StringUtils.join(discSet, ',');

            collection.setWhere(discriminatorColumnName + " in (" + inclause + ")");
        }

        OneToMany oneToMany = (OneToMany) collection.getElement();
        String associatedClassName = oneToMany.getReferencedEntityName();

        associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
        // if there is no persistent class for the association throw exception
        if (associatedClass == null) {
            throw new MappingException(
                    "Association references unmapped class: " + oneToMany.getReferencedEntityName());
        }

        oneToMany.setAssociatedClass(associatedClass);
        if (shouldBindCollectionWithForeignKey(property)) {
            collection.setCollectionTable(associatedClass.getTable());
        }

        bindCollectionForPropertyConfig(collection, propConfig);
    }

    if (isSorted(property)) {
        collection.setSorted(true);
    }

    // setup the primary key references
    DependantValue key = createPrimaryKeyValue(mappings, property, collection, persistentClasses);

    // link a bidirectional relationship
    if (property.isBidirectional()) {
        GrailsDomainClassProperty otherSide = property.getOtherSide();
        if (otherSide.isManyToOne() && shouldBindCollectionWithForeignKey(property)) {
            linkBidirectionalOneToMany(collection, associatedClass, key, otherSide);
        } else if (property.isManyToMany() || Map.class.isAssignableFrom(property.getType())) {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    } else {
        if (hasJoinKeyMapping(propConfig)) {
            bindSimpleValue("long", key, false, propConfig.getJoinTable().getKey().getName(), mappings);
        } else {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    }
    collection.setKey(key);

    // get cache config
    if (propConfig != null) {
        CacheConfig cacheConfig = propConfig.getCache();
        if (cacheConfig != null) {
            collection.setCacheConcurrencyStrategy(cacheConfig.getUsage());
        }
    }

    // if we have a many-to-many
    if (property.isManyToMany() || isBidirectionalOneToManyMap(property)) {
        GrailsDomainClassProperty otherSide = property.getOtherSide();

        if (property.isBidirectional()) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Mapping other side " + otherSide.getDomainClass().getName()
                        + "." + otherSide.getName() + " -> " + collection.getCollectionTable().getName()
                        + " as ManyToOne");
            ManyToOne element = new ManyToOne(mappings, collection.getCollectionTable());
            bindManyToMany(otherSide, element, mappings, sessionFactoryBeanName);
            collection.setElement(element);
            bindCollectionForPropertyConfig(collection, propConfig);
            if (property.isCircular()) {
                collection.setInverse(false);
            }
        } else {
            // TODO support unidirectional many-to-many
        }
    } else if (shouldCollectionBindWithJoinColumn(property)) {
        bindCollectionWithJoinTable(property, mappings, collection, propConfig, sessionFactoryBeanName);

    } else if (isUnidirectionalOneToMany(property)) {
        // for non-inverse one-to-many, with a not-null fk, add a backref!
        // there are problems with list and map mappings and join columns relating to duplicate key constraints
        // TODO change this when HHH-1268 is resolved
        bindUnidirectionalOneToMany(property, mappings, collection);
    }
}

From source file:org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsDomainBinder.java

License:Apache License

/**
 * Creates and binds the discriminator property used in table-per-hierarchy inheritance to
 * discriminate between sub class instances
 *
 * @param table    The table to bind onto
 * @param entity   The root class entity
 * @param mappings The mappings instance
 *//*ww w.j  a  va  2 s .  c  o  m*/
private static void bindDiscriminatorProperty(Table table, RootClass entity, Mappings mappings) {
    Mapping m = getMapping(entity.getMappedClass());
    SimpleValue d = new SimpleValue(mappings, table);
    entity.setDiscriminator(d);
    entity.setDiscriminatorValue(
            m != null && m.getDiscriminator() != null ? m.getDiscriminator() : entity.getClassName());

    if (m != null && m.getDiscriminatorMap().get("insert") != null) {
        entity.setDiscriminatorInsertable((Boolean) m.getDiscriminatorMap().get("insert"));
    }
    if (m != null && m.getDiscriminatorMap().get("type") != null) {
        d.setTypeName((String) m.getDiscriminatorMap().get("type"));
    }

    if (m != null && m.getDiscriminatorMap().get("formula") != null) {
        Formula formula = new Formula();
        formula.setFormula((String) m.getDiscriminatorMap().get("formula"));
        d.addFormula(formula);
    } else {
        bindSimpleValue(STRING_TYPE, d, false, RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME, mappings);

        ColumnConfig cc = m == null ? null : m.getDiscriminatorColumn();
        if (cc != null) {
            Column c = (Column) d.getColumnIterator().next();
            if (cc.getName() != null) {
                c.setName(cc.getName());
            }
            bindColumnConfigToColumn(c, cc);
        }
    }

    entity.setPolymorphic(true);
}

From source file:org.grails.orm.hibernate.cfg.AbstractGrailsDomainBinder.java

License:Apache License

protected void bindCollectionSecondPass(ToMany property, Mappings mappings, Map<?, ?> persistentClasses,
        Collection collection, String sessionFactoryBeanName) {

    PersistentClass associatedClass = null;

    if (LOG.isDebugEnabled())
        LOG.debug("Mapping collection: " + collection.getRole() + " -> "
                + collection.getCollectionTable().getName());

    PropertyConfig propConfig = getPropertyConfig(property);

    if (propConfig != null && StringUtils.hasText(propConfig.getSort())) {
        if (!property.isBidirectional()
                && (property instanceof org.grails.datastore.mapping.model.types.OneToMany)) {
            throw new DatastoreConfigurationException("Default sort for associations ["
                    + property.getOwner().getName() + "->" + property.getName()
                    + "] are not supported with unidirectional one to many relationships.");
        }//from   w  w  w .jav  a2  s  .  c om
        PersistentEntity referenced = property.getAssociatedEntity();
        if (referenced != null) {
            PersistentProperty propertyToSortBy = referenced.getPropertyByName(propConfig.getSort());

            String associatedClassName = property.getAssociatedEntity().getName();

            associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
            if (associatedClass != null) {
                collection.setOrderBy(buildOrderByClause(propertyToSortBy.getName(), associatedClass,
                        collection.getRole(), propConfig.getOrder() != null ? propConfig.getOrder() : "asc"));
            }
        }
    }

    // Configure one-to-many
    if (collection.isOneToMany()) {

        PersistentEntity referenced = property.getAssociatedEntity();
        Mapping m = getRootMapping(referenced);
        boolean tablePerSubclass = m != null && !m.getTablePerHierarchy();

        if (referenced != null && !referenced.isRoot() && !tablePerSubclass) {
            Mapping rootMapping = getRootMapping(referenced);
            String discriminatorColumnName = RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME;

            if (rootMapping != null) {
                final ColumnConfig discriminatorColumn = rootMapping.getDiscriminatorColumn();
                if (discriminatorColumn != null) {
                    discriminatorColumnName = discriminatorColumn.getName();
                }
                if (rootMapping.getDiscriminatorMap().get("formula") != null) {
                    discriminatorColumnName = (String) m.getDiscriminatorMap().get("formula");
                }
            }
            //NOTE: this will build the set for the in clause if it has sublcasses
            Set<String> discSet = buildDiscriminatorSet((HibernatePersistentEntity) referenced);
            String inclause = DefaultGroovyMethods.join(discSet, ",");

            collection.setWhere(discriminatorColumnName + " in (" + inclause + ")");
        }

        OneToMany oneToMany = (OneToMany) collection.getElement();
        String associatedClassName = oneToMany.getReferencedEntityName();

        associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
        // if there is no persistent class for the association throw exception
        if (associatedClass == null) {
            throw new MappingException(
                    "Association references unmapped class: " + oneToMany.getReferencedEntityName());
        }

        oneToMany.setAssociatedClass(associatedClass);
        if (shouldBindCollectionWithForeignKey(property)) {
            collection.setCollectionTable(associatedClass.getTable());
        }

        bindCollectionForPropertyConfig(collection, propConfig);
    }

    if (isSorted(property)) {
        collection.setSorted(true);
    }

    // setup the primary key references
    DependantValue key = createPrimaryKeyValue(mappings, property, collection, persistentClasses);

    // link a bidirectional relationship
    if (property.isBidirectional()) {
        Association otherSide = property.getInverseSide();
        if ((otherSide instanceof org.grails.datastore.mapping.model.types.ToOne)
                && shouldBindCollectionWithForeignKey(property)) {
            linkBidirectionalOneToMany(collection, associatedClass, key, otherSide);
        } else if ((otherSide instanceof ManyToMany) || Map.class.isAssignableFrom(property.getType())) {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    } else {
        if (hasJoinKeyMapping(propConfig)) {
            bindSimpleValue("long", key, false, propConfig.getJoinTable().getKey().getName(), mappings);
        } else {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    }
    collection.setKey(key);

    // get cache config
    if (propConfig != null) {
        CacheConfig cacheConfig = propConfig.getCache();
        if (cacheConfig != null) {
            collection.setCacheConcurrencyStrategy(cacheConfig.getUsage());
        }
    }

    // if we have a many-to-many
    final boolean isManyToMany = property instanceof ManyToMany;
    if (isManyToMany || isBidirectionalOneToManyMap(property)) {
        PersistentProperty otherSide = property.getInverseSide();

        if (property.isBidirectional()) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Mapping other side " + otherSide.getOwner().getName() + "."
                        + otherSide.getName() + " -> " + collection.getCollectionTable().getName()
                        + " as ManyToOne");
            ManyToOne element = new ManyToOne(mappings, collection.getCollectionTable());
            bindManyToMany((Association) otherSide, element, mappings, sessionFactoryBeanName);
            collection.setElement(element);
            bindCollectionForPropertyConfig(collection, propConfig);
            if (property.isCircular()) {
                collection.setInverse(false);
            }
        } else {
            // TODO support unidirectional many-to-many
        }
    } else if (shouldCollectionBindWithJoinColumn(property)) {
        bindCollectionWithJoinTable(property, mappings, collection, propConfig, sessionFactoryBeanName);

    } else if (isUnidirectionalOneToMany(property)) {
        // for non-inverse one-to-many, with a not-null fk, add a backref!
        // there are problems with list and map mappings and join columns relating to duplicate key constraints
        // TODO change this when HHH-1268 is resolved
        bindUnidirectionalOneToMany((org.grails.datastore.mapping.model.types.OneToMany) property, mappings,
                collection);
    }
}

From source file:org.grails.orm.hibernate.cfg.AbstractGrailsDomainBinder.java

License:Apache License

/**
 * Creates and binds the discriminator property used in table-per-hierarchy inheritance to
 * discriminate between sub class instances
 *
 * @param table    The table to bind onto
 * @param entity   The root class entity
 * @param mappings The mappings instance
 *//* ww  w.j a  va2 s . c  o  m*/
protected void bindDiscriminatorProperty(Table table, RootClass entity, Mappings mappings) {
    Mapping m = getMapping(entity.getMappedClass());
    SimpleValue d = new SimpleValue(mappings, table);
    entity.setDiscriminator(d);
    entity.setDiscriminatorValue(
            m != null && m.getDiscriminator() != null ? m.getDiscriminator() : entity.getClassName());

    if (m != null && m.getDiscriminatorMap().get("insert") != null) {
        entity.setDiscriminatorInsertable((Boolean) m.getDiscriminatorMap().get("insert"));
    }
    if (m != null && m.getDiscriminatorMap().get("type") != null) {
        d.setTypeName((String) m.getDiscriminatorMap().get("type"));
    }

    if (m != null && m.getDiscriminatorMap().get("formula") != null) {
        Formula formula = new Formula();
        formula.setFormula((String) m.getDiscriminatorMap().get("formula"));
        d.addFormula(formula);
    } else {
        bindSimpleValue(STRING_TYPE, d, false, RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME, mappings);

        ColumnConfig cc = m == null ? null : m.getDiscriminatorColumn();
        if (cc != null) {
            Column c = (Column) d.getColumnIterator().next();
            if (cc.getName() != null) {
                c.setName(cc.getName());
            }
            bindColumnConfigToColumn(null, c, cc);
        }
    }

    entity.setPolymorphic(true);
}

From source file:org.grails.orm.hibernate.cfg.GrailsDomainBinder.java

License:Apache License

protected void bindCollectionSecondPass(ToMany property, InFlightMetadataCollector mappings,
        Map<?, ?> persistentClasses, Collection collection, String sessionFactoryBeanName) {

    PersistentClass associatedClass = null;

    if (LOG.isDebugEnabled())
        LOG.debug("Mapping collection: " + collection.getRole() + " -> "
                + collection.getCollectionTable().getName());

    PropertyConfig propConfig = getPropertyConfig(property);

    PersistentEntity referenced = property.getAssociatedEntity();
    if (propConfig != null && StringUtils.hasText(propConfig.getSort())) {
        if (!property.isBidirectional()
                && (property instanceof org.grails.datastore.mapping.model.types.OneToMany)) {
            throw new DatastoreConfigurationException("Default sort for associations ["
                    + property.getOwner().getName() + "->" + property.getName()
                    + "] are not supported with unidirectional one to many relationships.");
        }//from w w w. j a v  a 2  s. c  o m
        if (referenced != null) {
            PersistentProperty propertyToSortBy = referenced.getPropertyByName(propConfig.getSort());

            String associatedClassName = property.getAssociatedEntity().getName();

            associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
            if (associatedClass != null) {
                collection.setOrderBy(buildOrderByClause(propertyToSortBy.getName(), associatedClass,
                        collection.getRole(), propConfig.getOrder() != null ? propConfig.getOrder() : "asc"));
            }
        }
    }

    // Configure one-to-many
    if (collection.isOneToMany()) {

        Mapping m = getRootMapping(referenced);
        boolean tablePerSubclass = m != null && !m.getTablePerHierarchy();

        if (referenced != null && !referenced.isRoot() && !tablePerSubclass) {
            Mapping rootMapping = getRootMapping(referenced);
            String discriminatorColumnName = RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME;

            if (rootMapping != null) {
                DiscriminatorConfig discriminatorConfig = rootMapping.getDiscriminator();
                if (discriminatorConfig != null) {
                    final ColumnConfig discriminatorColumn = discriminatorConfig.getColumn();
                    if (discriminatorColumn != null) {
                        discriminatorColumnName = discriminatorColumn.getName();
                    }
                    if (discriminatorConfig.getFormula() != null) {
                        discriminatorColumnName = discriminatorConfig.getFormula();
                    }
                }
            }
            //NOTE: this will build the set for the in clause if it has sublcasses
            Set<String> discSet = buildDiscriminatorSet((HibernatePersistentEntity) referenced);
            String inclause = DefaultGroovyMethods.join(discSet, ",");

            collection.setWhere(discriminatorColumnName + " in (" + inclause + ")");
        }

        OneToMany oneToMany = (OneToMany) collection.getElement();
        String associatedClassName = oneToMany.getReferencedEntityName();

        associatedClass = (PersistentClass) persistentClasses.get(associatedClassName);
        // if there is no persistent class for the association throw exception
        if (associatedClass == null) {
            throw new MappingException(
                    "Association references unmapped class: " + oneToMany.getReferencedEntityName());
        }

        oneToMany.setAssociatedClass(associatedClass);
        if (shouldBindCollectionWithForeignKey(property)) {
            collection.setCollectionTable(associatedClass.getTable());
        }

        bindCollectionForPropertyConfig(collection, propConfig);
    }

    if (referenced != null && referenced.isMultiTenant()) {
        String filterCondition = getMultiTenantFilterCondition(sessionFactoryBeanName, referenced);
        if (filterCondition != null) {
            collection.addFilter(GormProperties.TENANT_IDENTITY, filterCondition, true,
                    Collections.<String, String>emptyMap(), Collections.<String, String>emptyMap());
        }
    }

    if (isSorted(property)) {
        collection.setSorted(true);
    }

    // setup the primary key references
    DependantValue key = createPrimaryKeyValue(mappings, property, collection, persistentClasses);

    // link a bidirectional relationship
    if (property.isBidirectional()) {
        Association otherSide = property.getInverseSide();
        if ((otherSide instanceof org.grails.datastore.mapping.model.types.ToOne)
                && shouldBindCollectionWithForeignKey(property)) {
            linkBidirectionalOneToMany(collection, associatedClass, key, otherSide);
        } else if ((otherSide instanceof ManyToMany) || Map.class.isAssignableFrom(property.getType())) {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    } else {
        if (hasJoinKeyMapping(propConfig)) {
            bindSimpleValue("long", key, false, propConfig.getJoinTable().getKey().getName(), mappings);
        } else {
            bindDependentKeyValue(property, key, mappings, sessionFactoryBeanName);
        }
    }
    collection.setKey(key);

    // get cache config
    if (propConfig != null) {
        CacheConfig cacheConfig = propConfig.getCache();
        if (cacheConfig != null) {
            collection.setCacheConcurrencyStrategy(cacheConfig.getUsage());
        }
    }

    // if we have a many-to-many
    final boolean isManyToMany = property instanceof ManyToMany;
    if (isManyToMany || isBidirectionalOneToManyMap(property)) {
        PersistentProperty otherSide = property.getInverseSide();

        if (property.isBidirectional()) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Mapping other side " + otherSide.getOwner().getName() + "."
                        + otherSide.getName() + " -> " + collection.getCollectionTable().getName()
                        + " as ManyToOne");
            ManyToOne element = new ManyToOne(mappings, collection.getCollectionTable());
            bindManyToMany((Association) otherSide, element, mappings, sessionFactoryBeanName);
            collection.setElement(element);
            bindCollectionForPropertyConfig(collection, propConfig);
            if (property.isCircular()) {
                collection.setInverse(false);
            }
        } else {
            // TODO support unidirectional many-to-many
        }
    } else if (shouldCollectionBindWithJoinColumn(property)) {
        bindCollectionWithJoinTable(property, mappings, collection, propConfig, sessionFactoryBeanName);

    } else if (isUnidirectionalOneToMany(property)) {
        // for non-inverse one-to-many, with a not-null fk, add a backref!
        // there are problems with list and map mappings and join columns relating to duplicate key constraints
        // TODO change this when HHH-1268 is resolved
        bindUnidirectionalOneToMany((org.grails.datastore.mapping.model.types.OneToMany) property, mappings,
                collection);
    }
}

From source file:org.grails.orm.hibernate.cfg.GrailsDomainBinder.java

License:Apache License

/**
 * Creates and binds the discriminator property used in table-per-hierarchy inheritance to
 * discriminate between sub class instances
 *
 * @param table    The table to bind onto
 * @param entity   The root class entity
 * @param mappings The mappings instance
 *//*from w ww  .  ja  v  a2s  .co m*/
protected void bindDiscriminatorProperty(Table table, RootClass entity, InFlightMetadataCollector mappings) {
    Mapping m = getMapping(entity.getMappedClass());
    SimpleValue d = new SimpleValue(mappings, table);
    entity.setDiscriminator(d);
    DiscriminatorConfig discriminatorConfig = m != null ? m.getDiscriminator() : null;

    boolean hasDiscriminatorConfig = discriminatorConfig != null;
    entity.setDiscriminatorValue(
            hasDiscriminatorConfig ? discriminatorConfig.getValue() : entity.getClassName());

    if (hasDiscriminatorConfig) {
        if (discriminatorConfig.getInsertable() != null) {
            entity.setDiscriminatorInsertable(discriminatorConfig.getInsertable());
        }
        Object type = discriminatorConfig.getType();
        if (type != null) {
            if (type instanceof Class) {
                d.setTypeName(((Class) type).getName());
            } else {
                d.setTypeName(type.toString());
            }
        }
    }

    if (hasDiscriminatorConfig && discriminatorConfig.getFormula() != null) {
        Formula formula = new Formula();
        formula.setFormula(discriminatorConfig.getFormula());
        d.addFormula(formula);
    } else {
        bindSimpleValue(STRING_TYPE, d, false, RootClass.DEFAULT_DISCRIMINATOR_COLUMN_NAME, mappings);

        ColumnConfig cc = !hasDiscriminatorConfig ? null : discriminatorConfig.getColumn();
        if (cc != null) {
            Column c = (Column) d.getColumnIterator().next();
            if (cc.getName() != null) {
                c.setName(cc.getName());
            }
            bindColumnConfigToColumn(null, c, cc);
        }
    }

    entity.setPolymorphic(true);
}

Example usage for org.hibernate.mapping RootClass DEFAULT_DISCRIMINATOR_COLUMN_NAME

Introduction

Prototype

Usage