Examples with EntityTypeMetadata com.datastax.driver.mapping.meta.EntityTypeMetadata used on opensource projects

Example 1 with EntityTypeMetadata

use of com.datastax.driver.mapping.meta.EntityTypeMetadata in project cassandra-driver-mapping by valchkou.

the class EntityTypeParser method getEntityMetadata.

/**
     * Returns List<FieldData> - all the fields which can be persisted for the
     * given Entity type the field to be persisted must have getter/setter and
     * not be annotated as @Transient
     */
public static <T> EntityTypeMetadata getEntityMetadata(Class<T> clazz) {
    EntityTypeMetadata edata = entityData.get(clazz);
    if (edata == null) {
        edata = parseEntityClass(clazz);
        entityData.put(clazz, edata);
    }
    return edata;
}

Example 2 with EntityTypeMetadata

use of com.datastax.driver.mapping.meta.EntityTypeMetadata in project cassandra-driver-mapping by valchkou.

the class EntityTypeParser method parseEntityLevelMetadata.

/**
     * Parses class level annotations and initializes EntityMetadata object for
     * given entity class
     * 
     * @param clazz
     * @return EntityMetadata
     */
private static <T> EntityTypeMetadata parseEntityLevelMetadata(Class<T> clazz) {
    EntityTypeMetadata result = null;
    Annotation annotation = clazz.getAnnotation(Table.class);
    if (annotation instanceof Table) {
        Table tableAntn = (Table) annotation;
        String tableName = tableAntn.name();
        if (tableName != null && tableName.length() > 0) {
            result = new EntityTypeMetadata(clazz, tableName);
        } else {
            result = new EntityTypeMetadata(clazz);
        }
        Index[] indexes = tableAntn.indexes();
        if (indexes != null && indexes.length > 0) {
            for (Index index : indexes) {
                result.addindex(index.name(), index.columnList());
            }
        }
    } else {
        result = new EntityTypeMetadata(clazz);
    }
    // parse properties
    annotation = clazz.getAnnotation(TableProperties.class);
    if (annotation instanceof TableProperties) {
        TableProperty[] props = ((TableProperties) annotation).values();
        for (TableProperty prop : props) {
            result.addProperty(prop.value());
        }
    }
    // parse ttl
    annotation = clazz.getAnnotation(Ttl.class);
    if (annotation instanceof Ttl) {
        result.setTtl(((Ttl) annotation).value());
    }
    return result;
}

Example 3 with EntityTypeMetadata

use of com.datastax.driver.mapping.meta.EntityTypeMetadata in project cassandra-driver-mapping by valchkou.

the class MappingBuilder method prepareReplaceAt.

public static BoundStatement prepareReplaceAt(Object id, Class<?> clazz, String propertyName, Object item, int idx, WriteOptions options, String keyspace, Session session) {
    EntityTypeMetadata emeta = EntityTypeParser.getEntityMetadata(clazz);
    EntityFieldMetaData fmeta = emeta.getFieldMetadata(propertyName);
    Update update = QueryBuilder.update(keyspace, emeta.getTableName());
    if (fmeta.getType() == List.class) {
        update.with(QueryBuilder.setIdx(fmeta.getColumnName(), idx, item));
    }
    applyOptions(options, update, null);
    return prepareUpdate(id, emeta, update, session);
}

Example 4 with EntityTypeMetadata

use of com.datastax.driver.mapping.meta.EntityTypeMetadata in project cassandra-driver-mapping by valchkou.

the class MappingBuilder method preparePrependItemToList.

public static BoundStatement preparePrependItemToList(Object id, Class<?> clazz, String propertyName, Object item, WriteOptions options, String keyspace, Session session) {
    EntityTypeMetadata emeta = EntityTypeParser.getEntityMetadata(clazz);
    EntityFieldMetaData fmeta = emeta.getFieldMetadata(propertyName);
    Update update = QueryBuilder.update(keyspace, emeta.getTableName());
    if (item instanceof List<?> && fmeta.getType() == List.class) {
        List<?> list = (List<?>) item;
        if (list.size() == 0)
            return null;
        update.with(QueryBuilder.prependAll(fmeta.getColumnName(), list));
    } else if (fmeta.getType() == List.class) {
        update.with(QueryBuilder.prepend(fmeta.getColumnName(), item));
    }
    applyOptions(options, update, null);
    return prepareUpdate(id, emeta, update, session);
}

Example 5 with EntityTypeMetadata

use of com.datastax.driver.mapping.meta.EntityTypeMetadata in project cassandra-driver-mapping by valchkou.

the class MappingBuilder method prepareAppendItemToCollection.

public static BoundStatement prepareAppendItemToCollection(Object id, Class<?> clazz, String propertyName, Object item, WriteOptions options, String keyspace, Session session) {
    EntityTypeMetadata emeta = EntityTypeParser.getEntityMetadata(clazz);
    EntityFieldMetaData fmeta = emeta.getFieldMetadata(propertyName);
    Update update = QueryBuilder.update(keyspace, emeta.getTableName());
    if (item instanceof Set<?> && fmeta.getType() == Set.class) {
        Set<?> set = (Set<?>) item;
        if (set.size() == 0)
            return null;
        update.with(QueryBuilder.addAll(fmeta.getColumnName(), set));
    } else if (item instanceof List<?> && fmeta.getType() == List.class) {
        List<?> list = (List<?>) item;
        if (list.size() == 0)
            return null;
        update.with(QueryBuilder.appendAll(fmeta.getColumnName(), list));
    } else if (item instanceof Map<?, ?>) {
        Map<?, ?> map = (Map<?, ?>) item;
        if (map.size() == 0)
            return null;
        update.with(QueryBuilder.putAll(fmeta.getColumnName(), map));
    } else if (fmeta.getType() == Set.class) {
        update.with(QueryBuilder.add(fmeta.getColumnName(), item));
    } else if (fmeta.getType() == List.class) {
        update.with(QueryBuilder.append(fmeta.getColumnName(), item));
    }
    applyOptions(options, update, null);
    return prepareUpdate(id, emeta, update, session);
}