Class QdbEntry

An entry in the database

Direct known subclasses

QdbDeque, QdbExpirableEntry, QdbHashSet, QdbTag

Indirect known subclasses

QdbBlob, QdbInteger

Abstract

Methods summary
`public boolean`	# `attachTag( QdbTag\|string $tag )` Attachs a tag to the entry Attachs a tag to the entry Parameters `$tag` The tag to add to the entry, or its alias. Returns boolean `true` if the tag was added, or `false` it the entry already had this tag. Throws `QdbAliasNotFoundException` `QdbIncompatibleTypeException` Example $cluster->blob('Bob the blob')->attachTag('male');
`public string`	# `alias( )` Gets the alias (i.e. its "key") of the entry. Gets the alias (i.e. its "key") of the entry. Alias starting with `qdb` are reserved. Returns string The alias of the entry.
`public QdbTagCollection`	# `getTags( QdbTag\|string $tag )` Enumerates the tags attached to the entry. Enumerates the tags attached to the entry. Parameters `$tag` The tag to the entry, or it's alias. Returns `QdbTagCollection` A traversable collection of `QdbTag` Throws `QdbAliasNotFoundException` Example $bobsTags = $cluster->blob('Bob the blob')->getTags(); foreach ($bobsTags as $tag) { echo('Bob has the tag ' . $tag->alias()); }
`public boolean`	# `hasTag( QdbTag\|string $tag )` Checks if a tag is attached to the entry. Checks if a tag is attached to the entry. Parameters `$tag` The tag to check for, or its alias. Returns boolean `true` if the entry is tagged with the given tag, `false` otherwise. Example $bob_is_male = $cluster->blob('Bob the Blob')->hasTag('male'); // same as $bob_is_male = $cluster->tag('male')->hasEntry('Bob the Blob');
`public`	# `remove( )` Deletes the entry. Deletes the entry. Throws `QdbAliasNotFoundException` Example // Bye-bye Bob :-( $cluster->blob('Bob the blob')->remove();
`public boolean`	# `detachTag( QdbTag\|string $tag )` Detaches a tag from the entry. Detaches a tag from the entry. Parameters `$tag` The tag to the entry, or its alias. Returns boolean `true` if the tag was added, or `false` it the entry already had this tag. Throws `QdbAliasNotFoundException` `QdbIncompatibleTypeException` Example $cluster->blob('Bob the blob')->detachTag('stupid name');