Package ch.bztf.m226blb1.Database.Entities

Class Post

java.lang.Object

ch.bztf.m226blb1.Database.Entities.Post

@Entity
public class Post
extends Object

Root entity for the posts.

See Also:

• User
• Media

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Post()	Default constructor.
	Post(@Size(max=355) String description, @NotNull Instant publishedAt, @javax.validation.constraints.PositiveOrZero int likesCount, int commentsCount, Set<String> linkedUsers, @Size(max=600) String aiPrediction)	Creates a new Post with all fields set.

Method Summary

Modifier and Type	Method	Description
void	addMedia(@NonNull Media media)	Adds a media to the post.
boolean	equals(Object obj)
int	hashCode()
boolean	hasMedia()	Checks if the post contains a media.
void	removeMedia(Media media)	Removes a media from the post.
void	setAiPrediction(String aiPrediction)	Sets the AI prediction to the given value.
void	setAuthor(@NonNull User author)	Sets the author of the post.
void	setDescription(String description)	Sets the description to the given value.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Post

protected Post()

Default constructor. Used by JPA.

Implementation Requirements:

This will initialize the Sets to empty sets.

Post

public Post(@Size(max=355)
 @Size(max=355) String description,
 @NotNull
 @NotNull Instant publishedAt,
 @PositiveOrZero
 @javax.validation.constraints.PositiveOrZero int likesCount,
 int commentsCount,
 Set<String> linkedUsers,
 @Nullable @Size(max=600)
 @Size(max=600) String aiPrediction)

Creates a new Post with all fields set.

Parameters:

description - The description of the post.

publishedAt - The date when the post was published.

likesCount - The amount of likes the post has.

commentsCount - The amount of comments the post has.

linkedUsers - The users that are linked to the post.

aiPrediction - The AI prediction of the post.

Implementation Note:

The medias will be set to an empty set. It can be modified via the addMedia(Media) and removeMedia(Media).

Method Details

setAuthor

public void setAuthor(@NonNull
 @NonNull User author)

Sets the author of the post. Will also remove from the old posts and add to the new one.

Parameters:

author - the new author.

setDescription

public void setDescription(String description)

Sets the description to the given value.

Parameters:

description - the new description

See Also:

• trimToSize

setAiPrediction

public void setAiPrediction(String aiPrediction)

Sets the AI prediction to the given value.

Parameters:

aiPrediction - the new AI prediction

See Also:

• trimToSize

addMedia

public void addMedia(@NonNull
 @NonNull Media media)

Adds a media to the post.

Parameters:

media - the media to add.

Implementation Note:

This will set the post to the media.

removeMedia

public void removeMedia(Media media)

Removes a media from the post.

Parameters:

media - the media to remove.

hasMedia

public boolean hasMedia()

Checks if the post contains a media.

Returns:

true if the post contains a media, false otherwise.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object