systems.dmx.core.impl

Class StorageDecorator

java.lang.Object

systems.dmx.core.impl.StorageDecorator

public class StorageDecorator
extends Object

A utility layer above storage implementation. - Adds fetch-single calls on top of fetch-multiple calls and performs sanity checks.

Method Summary

Modifier and Type	Method and Description
AssocModelImpl	fetchAssoc(String key, Object value) Retrieves a single assoc by exact value.
TopicModelImpl	fetchTopic(String key, Object value) Retrieves a single topic by exact value (case-sensitive).
TopicModelImpl	queryTopicFulltext(String key, Object value) Retrieves a single topic by fulltext search (case-insensitive).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

fetchTopic

public TopicModelImpl fetchTopic(String key,
                                 Object value)

Retrieves a single topic by exact value (case-sensitive).

Returns:

The fetched topic, or null if no such topic exists.

Throws:

RuntimeException - if more than one topic exists.

queryTopicFulltext

public TopicModelImpl queryTopicFulltext(String key,
                                         Object value)

Retrieves a single topic by fulltext search (case-insensitive).

Returns:

The fetched topic, or null if no such topic exists.

Throws:

RuntimeException - if more than one topic exists.

fetchAssoc

public AssocModelImpl fetchAssoc(String key,
                                 Object value)

Retrieves a single assoc by exact value.

Returns:

The fetched assoc, or null if no such assoc exists.

Throws:

RuntimeException - if more than one assoc exists.