Example usage for org.apache.cassandra.db.marshal MapType getValuesType

Introduction

In this page you can find the example usage for org.apache.cassandra.db.marshal MapType getValuesType.

Prototype

public AbstractType<V> getValuesType() 

Source Link

Usage

From source file:com.impetus.client.cassandra.datahandler.CassandraDataHandlerBase.java

License:Apache License

/**
 * Sets the element collection map.//  ww  w.  j a  va  2 s  .c o  m
 * 
 * @param mapType
 *            the cql column metadata
 * @param thriftColumnValue
 *            the thrift column value
 * @param entity
 *            the entity
 * @param field
 *            the field
 * @param metaModel
 *            the meta model
 * @param embeddedObject
 *            the embedded object
 * @return the object
 */
private Object setElementCollectionMap(MapType mapType, ByteBuffer thriftColumnValue, Object entity,
        Field field, MetamodelImpl metaModel, Class embeddedClass, boolean useNativeProtocol2) {

    Map result = new HashMap();
    MapSerializer mapSerializer = mapType.getSerializer();
    Map outputCollection = new HashMap();
    if (useNativeProtocol2) {
        outputCollection.putAll(mapSerializer.deserializeForNativeProtocol(thriftColumnValue, 2));
    } else {
        outputCollection.putAll((Map) mapSerializer.deserialize(thriftColumnValue));
    }

    UserType usertype = (UserType) mapType.getValuesType();

    for (Object key : outputCollection.keySet()) {
        Object embeddedObject = KunderaCoreUtils.createNewInstance(embeddedClass);
        Object value = populateEmbeddedRecursive((ByteBuffer) outputCollection.get(key), usertype.allTypes(),
                usertype.fieldNames(), embeddedObject, metaModel);
        result.put(key, value);
    }
    PropertyAccessorHelper.set(entity, field, result);
    return entity;
}

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