Query.Selection

public static class Selection: Class which represents the selection of (sub)properties.

Fields

MAGIC_NON_PROPERTIES

static final Set<String> MAGIC_NON_PROPERTIES: These magic non-properties are those which are in the results of a RetrieveSparseEntity transaction which is why they do not need to be retrieved with a RetrieveEntityProperties transaction.

Constructors

Selection

public Selection(String selector): No parsing, just sets the selector string.

Methods

getSelector

public String getSelector()

getSubselection

public Selection getSubselection()

isId

public boolean isId(): Return true iff this selector selects the id of an entity.

isParent

public boolean isParent(): Return true iff this selector selects the parent of an entity. If not, the retrieval in RetrieveFullEntityTransaction might be optimized by not retrieving the parents at all.

isProperty

public boolean isProperty(): Return true iff this selector selects anything that is most likely a property. If not, the retrieval in RetrieveFullEntityTransaction might be optimized by not retrieving the properties at all.

setSubSelection

public Selection setSubSelection(Selection sub)

toElement

public Element toElement()

toString

public String toString()