org.varienaja.comments
Class CommentDAO

java.lang.Object
  org.varienaja.comments.CommentDAO

public final class CommentDAO
extends java.lang.Object

Class that persists and reads Reviews from persistent storage.

Author:

Varienaja

Field Summary

protected static java.lang.String	DATEPATTERN
protected static java.lang.String	REVIEW
protected static java.lang.String	REVIEWELEMENT
protected static java.lang.String	REVIEWELEMENTS
protected static java.lang.String	REVIEWS

Constructor Summary

CommentDAO()

Method Summary

static java.util.Set<Comment>	getCommentsFromCache(java.lang.String fileprefix, long id) Loads Reviews of an item from the disk.
static boolean	saveCommentsToCache(java.lang.String fileprefix, long id, java.util.Set<Comment> comments) Stores the reviews of an item on disk.

Methods inherited from class java.lang.Object

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

Field Detail

REVIEWS

protected static final java.lang.String REVIEWS

See Also:

Constant Field Values

REVIEW

protected static final java.lang.String REVIEW

See Also:

Constant Field Values

REVIEWELEMENTS

protected static final java.lang.String REVIEWELEMENTS

See Also:

Constant Field Values

REVIEWELEMENT

protected static final java.lang.String REVIEWELEMENT

See Also:

Constant Field Values

DATEPATTERN

protected static final java.lang.String DATEPATTERN

See Also:

Constant Field Values

Constructor Detail

CommentDAO

public CommentDAO()

Method Detail

saveCommentsToCache

public static boolean saveCommentsToCache(java.lang.String fileprefix,
                                          long id,
                                          java.util.Set<Comment> comments)

Stores the reviews of an item on disk.

Parameters:

fileprefix - The prefix to use for the file on local storage.

id - The id to add to the fileprefix.

comments - The Reviews to store.

Returns:

Whether the operation succeeded or not.

getCommentsFromCache

public static java.util.Set<Comment> getCommentsFromCache(java.lang.String fileprefix,
                                                          long id)

Loads Reviews of an item from the disk. Returns null if there were no cached Reviews of this item.

Parameters:

fileprefix - The prefix to use for the file on local storage.

Returns:

A List of Reviews. Returns null if the review storage directory does not exist.