Package com.impetus.kundera.metadata.model

Examples of com.impetus.kundera.metadata.model.MetamodelImpl

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    }

    public void delete(Object entity, EntityMetadata metadata, ConsistencyLevel consistencyLevel,
            final KunderaMetadata kunderaMetadata)
    {
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                metadata.getPersistenceUnit());
        if (CassandraIndexHelper.isInvertedIndexingApplicable(metadata, useSecondryIndex))
        {

            String indexColumnFamily = CassandraIndexHelper.getInvertedIndexTableName(metadata.getTableName());
            Map<String, EmbeddableType> embeddables = metaModel.getEmbeddables(metadata.getEntityClazz());
            EntityType entityType = metaModel.entity(metadata.getEntityClazz());

            byte[] columnName = PropertyAccessorHelper.get(entity, (Field) metadata.getIdAttribute().getJavaMember());

            for (String fieldName : embeddables.keySet())
            {
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        // if id attribute is embeddable, it is meant for CQL translation.
        // make it independent of embedded stuff and allow even to add non
        // composite into where clause and let cassandra complain for it.

        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        String queryString = appMetadata.getQuery(((QueryImpl) query).getJPAQuery());

        boolean isNative = ((CassQuery) query).isNative();
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            // Means there is an previous entity.
            Object entity = results.get(results.size() - 1);
            Class idClazz = ((AbstractAttribute) entityMetadata.getIdAttribute()).getBindableJavaType();
            Object id = PropertyAccessorHelper.getId(entity, entityMetadata);
            StringBuilder builder = new StringBuilder(CQLTranslator.TOKEN);
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    entityMetadata.getPersistenceUnit());

            EmbeddableType keyObj = null;
            // Bytes bytes = null;
            String columnName;
            if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType()))
            {
                keyObj = metaModel.embeddable(entityMetadata.getIdAttribute().getBindableJavaType());
                Field embeddedField = getPartitionKeyField();
                Attribute partitionKey = keyObj.getAttribute(embeddedField.getName());
                Object partitionKeyValue = PropertyAccessorHelper.getObject(id, (Field) partitionKey.getJavaMember());
                columnName = ((AbstractAttribute) partitionKey).getJPAColumnName();
                id = partitionKeyValue;
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    private Map<Boolean, String> getConditionOnIdColumn(String idColumn)
    {

        Map<Boolean, String> filterIdResult = new HashMap<Boolean, String>();

        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                entityMetadata.getPersistenceUnit());

        EmbeddableType keyObj = null;
        if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType()))
        {
            keyObj = metaModel.embeddable(entityMetadata.getIdAttribute().getBindableJavaType());
        }

        for (Object o : query.getKunderaQuery().getFilterClauseQueue())
        {
            if (o instanceof FilterClause)
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    {
        Object entity = results.get(results.size() - 1);
        Object id = PropertyAccessorHelper.getId(entity, entityMetadata);
        String idName = ((AbstractAttribute) entityMetadata.getIdAttribute()).getJPAColumnName();
        Class idClazz = ((AbstractAttribute) entityMetadata.getIdAttribute()).getBindableJavaType();
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                entityMetadata.getPersistenceUnit());

        EmbeddableType keyObj = null;
        ByteBuffer bytes = null;

        // if the key attribute is composite
        if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType()))
        {
            keyObj = metaModel.embeddable(entityMetadata.getIdAttribute().getBindableJavaType());
            Field embeddedField = getPartitionKeyField();
            Attribute partitionKey = keyObj.getAttribute(embeddedField.getName());
            Object partitionKeyValue = PropertyAccessorHelper.getObject(id, (Field) partitionKey.getJavaMember());
            bytes = CassandraUtilities.toBytes(partitionKeyValue, (Field) partitionKey.getJavaMember());
        }
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     *
     * Converts a {@link Node} instance to entity object
     */
    public Object getEntityFromNode(Node node, EntityMetadata m)
    {
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());
        EntityType entityType = metaModel.entity(m.getEntityClazz());

        // Iterate over, entity attributes
        Set<Attribute> attributes = entityType.getSingularAttributes();

        Object entity = null;

        try
        {
            // entity = m.getEntityClazz().newInstance();

            for (Attribute attribute : attributes)
            {
                Field field = (Field) attribute.getJavaMember();
                String columnName = ((AbstractAttribute) attribute).getJPAColumnName();

                // Set Entity level properties
                if (metaModel.isEmbeddable(m.getIdAttribute().getBindableJavaType())
                        && m.getIdAttribute().getJavaType().equals(field.getType()))
                {
                    Object idValue = deserializeIdAttributeValue(m, (String) node.getProperty(columnName));
                    if (idValue != null)
                    {
                        entity = initialize(m, entity);
                        PropertyAccessorHelper.set(entity, field, idValue);
                    }
                }
                else if (!attribute.isCollection() && !attribute.isAssociation()
                        && !((AbstractAttribute) m.getIdAttribute()).getJPAColumnName().equals(columnName))
                {
                    Object columnValue = node.getProperty(columnName, null);
                    if (columnValue != null)
                    {
                        entity = initialize(m, entity);
                        PropertyAccessorHelper.set(entity, field, fromNeo4JObject(columnValue, field));
                    }
                }
            }

            if (entity != null && !metaModel.isEmbeddable(m.getIdAttribute().getBindableJavaType()))
            {
                Object rowKey = node.getProperty(((AbstractAttribute) m.getIdAttribute()).getJPAColumnName());
                if (rowKey != null)
                {
                    PropertyAccessorHelper.setId(entity, m,
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            Relation relation)
    {
        EntityMetadata relationshipEntityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata,
                relation.getMapKeyJoinClass());

        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                relationshipEntityMetadata.getPersistenceUnit());
        EntityType entityType = metaModel.entity(relationshipEntityMetadata.getEntityClazz());

        // Iterate over, entity attributes
        Set<Attribute> attributes = entityType.getSingularAttributes();

        Object entity = null;

        try
        {
            // entity =
            // relationshipEntityMetadata.getEntityClazz().newInstance();

            for (Attribute attribute : attributes)
            {
                Field field = (Field) attribute.getJavaMember();
                String columnName = ((AbstractAttribute) attribute).getJPAColumnName();

                // Set Entity level properties
                if (metaModel.isEmbeddable(relationshipEntityMetadata.getIdAttribute().getBindableJavaType())
                        && relationshipEntityMetadata.getIdAttribute().getJavaType().equals(field.getType()))
                {
                    Object idValue = deserializeIdAttributeValue(relationshipEntityMetadata,
                            (String) relationship.getProperty(columnName));
                    if (idValue != null)
                    {
                        entity = initialize(relationshipEntityMetadata, entity);
                        PropertyAccessorHelper.set(entity, field, idValue);
                    }
                }
                else if (!attribute.isCollection() && !attribute.isAssociation()
                        && !field.getType().equals(topLevelEntityMetadata.getEntityClazz())
                        && !field.getType().equals(relation.getTargetEntity()))
                {
                    Object value = relationship.getProperty(columnName, null);
                    if (value != null)
                    {
                        entity = initialize(relationshipEntityMetadata, entity);
                        PropertyAccessorHelper.set(entity, field, fromNeo4JObject(value, field));
                    }
                }
            }

            if (entity != null
                    && !metaModel.isEmbeddable(relationshipEntityMetadata.getIdAttribute().getBindableJavaType()))
            {
                Object rowKey = relationship.getProperty(((AbstractAttribute) relationshipEntityMetadata
                        .getIdAttribute()).getJPAColumnName());
                if (rowKey != null)
                {
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     */
    public Map<String, Object> createNodeProperties(Object entity, EntityMetadata m)
    {
        Map<String, Object> props = new HashMap<String, Object>();

        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        EntityType entityType = metaModel.entity(m.getEntityClazz());

        // Iterate over entity attributes
        Set<Attribute> attributes = entityType.getSingularAttributes();
        for (Attribute attribute : attributes)
        {
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     * @param m
     * @param node
     */
    private void populateNodeProperties(Object entity, EntityMetadata m, Node node)
    {
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());
        EntityType entityType = metaModel.entity(m.getEntityClazz());

        // Iterate over entity attributes
        Set<Attribute> attributes = entityType.getSingularAttributes();
        for (Attribute attribute : attributes)
        {
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     * @param relationshipObj
     */
    public void populateRelationshipProperties(EntityMetadata entityMetadata, EntityMetadata targetNodeMetadata,
            Relationship relationship, Object relationshipObj)
    {
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                entityMetadata.getPersistenceUnit());
        EntityType entityType = metaModel.entity(relationshipObj.getClass());

        Set<Attribute> attributes = entityType.getSingularAttributes();
        for (Attribute attribute : attributes)
        {
            Field f = (Field) attribute.getJavaMember();
            if (!f.getType().equals(entityMetadata.getEntityClazz())
                    && !f.getType().equals(targetNodeMetadata.getEntityClazz()))
            {
                EntityMetadata relMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata,
                        relationshipObj.getClass());
                String columnName = ((AbstractAttribute) attribute).getJPAColumnName();
                if (metaModel.isEmbeddable(relMetadata.getIdAttribute().getBindableJavaType())
                        && ((SingularAttribute) attribute).isId())
                {
                    // Populate Embedded attribute value into relationship
                    Object id = PropertyAccessorHelper.getId(relationshipObj, relMetadata);
                    Object serializedIdValue = serializeIdAttributeValue(relMetadata, metaModel, id);
                    relationship.setProperty(columnName, serializedIdValue);

                    // Populate attributes of embedded fields into relationship
                    Set<Attribute> embeddableAttributes = metaModel.embeddable(
                            relMetadata.getIdAttribute().getBindableJavaType()).getSingularAttributes();
                    for (Attribute embeddableAttribute : embeddableAttributes)
                    {
                        String embeddedColumn = ((AbstractAttribute) embeddableAttribute).getJPAColumnName();
                        if (embeddedColumn == null)
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Related Classes of com.impetus.kundera.metadata.model.MetamodelImpl

  • com.impetus.client.cassandra.CassandraClientBase
  • com.impetus.client.cassandra.CassandraClientBase$CQLClient
  • com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase
  • com.impetus.client.cassandra.index.InvertedIndexHandlerBase
  • com.impetus.client.cassandra.pelops.PelopsClient
  • com.impetus.client.cassandra.pelops.PelopsDataHandler
  • com.impetus.client.cassandra.query.CassQuery
  • com.impetus.client.cassandra.query.ResultIterator
  • com.impetus.client.cassandra.schemamanager.CassandraSchemaManager$EntityValidatorAgainstCounterColumn
  • com.impetus.client.cassandra.thrift.CQLTranslator
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