properties = new HashMap<String, Object>();
mediaMetadata = new MediaMetadataImpl();
entryMetadata = new EntryMetadataImpl();
expandSelectTree = new ExpandSelectTreeNodeImpl();
readEntryResult = new ODataEntryImpl(properties, mediaMetadata, entryMetadata, expandSelectTree);
typeMappings = EntityTypeMapping.create(readProperties.getTypeMappings());
}