de.jakobjarosch.rethinkdb.orm.dao

Class GenericDAO<T,PK>

java.lang.Object

de.jakobjarosch.rethinkdb.orm.dao.GenericDAO<T,PK>

public class GenericDAO<T,PK>
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
GenericDAO(javax.inject.Provider<com.rethinkdb.net.Connection> connection, java.lang.Class<T> clazz, java.lang.String tableName, java.lang.String primaryKey)

Method Summary

Modifier and Type	Method and Description
protected void	addIndex(boolean geo, java.lang.String fields)
rx.Observable<ChangeFeedElement<T>>	changes() Provides a change feed of all changes which occur after subscribing to the returned Observable.
rx.Observable<ChangeFeedElement<T>>	changes(java.util.function.Function<com.rethinkdb.gen.ast.Table,com.rethinkdb.gen.ast.ReqlExpr> filter) Provides a change feed of all matching changes which occur after subscribing to the returned Observable.
void	create(T model) Creates a model in the RethinkDB database.
void	delete(PK id) Deletes a model from the database.
void	initTable() Initialize the table, automatically create the table and indices if they do not yet exist.
java.util.List<T>	read()
java.util.List<T>	read(java.util.function.Function<com.rethinkdb.gen.ast.Table,com.rethinkdb.gen.ast.ReqlExpr> filter) Retrieves a list of models matching the given filter.
java.util.Optional<T>	read(PK id) Retrieves a model with the given primary key.
void	update(T model) Updates a model.
void	updateNonAtomic(T model) Updates a model in the non atomic way.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericDAO

public GenericDAO(javax.inject.Provider<com.rethinkdb.net.Connection> connection,
                  java.lang.Class<T> clazz,
                  java.lang.String tableName,
                  java.lang.String primaryKey)

Method Detail

addIndex

protected void addIndex(boolean geo,
                        java.lang.String fields)

initTable

public void initTable()

Initialize the table, automatically create the table and indices if they do not yet exist.

create

public void create(T model)

Creates a model in the RethinkDB database.

Parameters:

model - Model which should be created.

Throws:

com.rethinkdb.gen.exc.ReqlClientError - Error is thrown when there was an error. E.g. there was already a model with the same primary key.

read

public java.util.List<T> read()

Returns:

Returns a list of all models from the database.

read

public java.util.Optional<T> read(PK id)

Retrieves a model with the given primary key.

Parameters:

id - The primary key of the model which should be retrieved.

Returns:

Maybe the model matching the given primary key.

read

public java.util.List<T> read(java.util.function.Function<com.rethinkdb.gen.ast.Table,com.rethinkdb.gen.ast.ReqlExpr> filter)

Retrieves a list of models matching the given filter.

Parameters:

filter - The filter function which should be applied when executing the query.

Returns:

A filtered list fo models matching the given filter.

update

public void update(T model)

Updates a model.

updateNonAtomic

public void updateNonAtomic(T model)

Updates a model in the non atomic way. See ReQL command: update for more details.

delete

public void delete(PK id)

Deletes a model from the database.

Parameters:

id - The primary key of the model which should be removed.

changes

public rx.Observable<ChangeFeedElement<T>> changes()

Provides a change feed of all changes which occur after subscribing to the returned Observable.

Returns:

Returns an Observable which subscribes to all changes made after the subscription started.

changes

public rx.Observable<ChangeFeedElement<T>> changes(java.util.function.Function<com.rethinkdb.gen.ast.Table,com.rethinkdb.gen.ast.ReqlExpr> filter)

Provides a change feed of all matching changes which occur after subscribing to the returned Observable.

Parameters:

filter - A filter for the change feed to only show changes matching the filter.

Returns:

Returns an Observable which subscribes to all matching changes made after the subscription started.