com.gemstone.gemfire.tutorial.storage

Class GemfireDAO

java.lang.Object

com.gemstone.gemfire.tutorial.storage.GemfireDAO

public class GemfireDAO
extends Object

Data Access Object to store people and posts using GemFire. Calling the initPeer() method will connect this object to the GemFire distributed system as a GemFire peer. Calling the initClient() will connect to the distributed system as a GemFire client. Once one of the init method is called, the rest of the methods in this DAO can be used to query and update the store.

Constructor Summary

Constructors

Constructor and Description
GemfireDAO()

Method Summary

Methods

Modifier and Type	Method and Description
void	addPerson(String name, Profile profile) Add a new person
void	addPost(String author, String text) Add a new post from a particular user.
Set<String>	getPeople() Get this list of people in the system
String	getPost(PostID post) Get a post, given the post ID.
Set<PostID>	getPosts() Get this list of all posts in the system
Profile	getProfile(String person) Get the profile of a specific person
void	initClient() Connect to the distributed system as a client and declare the people and posts regions
void	initPeer() Connect to the distributed system as a peer and declare the people and posts regions.

Methods inherited from class java.lang.Object

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

Constructor Detail

GemfireDAO

public GemfireDAO()

Method Detail

initPeer

public void initPeer()

Connect to the distributed system as a peer and declare the people and posts regions.

initClient

public void initClient()

Connect to the distributed system as a client and declare the people and posts regions

addPerson

public void addPerson(String name,
             Profile profile)

Add a new person

Parameters:

name - The name of the person to add.

profile - The profile for this person

addPost

public void addPost(String author,
           String text)

Add a new post from a particular user.

Parameters:

author - the author of the post

text - the text of the post

getPeople

public Set<String> getPeople()

Get this list of people in the system

getProfile

public Profile getProfile(String person)

Get the profile of a specific person

Parameters:

person - the persons name

Returns:

the profile for the person, or null if the person is not in the system

getPosts

public Set<PostID> getPosts()

Get this list of all posts in the system

Returns:

A list of the IDs of all of the posts in the system

getPost

public String getPost(PostID post)

Get a post, given the post ID.

Parameters:

post - the post ID

Returns:

the text of the post, or null if the post is not in found