square/sqlbrite

SqlBrite sqlBrite = new SqlBrite.Builder().build();

BriteDatabase db = sqlBrite.wrapDatabaseHelper(openHelper, Schedulers.io());

Observable<Query> users = db.createQuery("users", "SELECT * FROM users");
users.subscribe(new Consumer<Query>() {
  @Override public void accept(Query query) {
    Cursor cursor = query.run();
    // TODO parse data...
  }
});

final AtomicInteger queries = new AtomicInteger();
users.subscribe(new Consumer<Query>() {
  @Override public void accept(Query query) {
    queries.getAndIncrement();
  }
});
System.out.println("Queries: " + queries.get()); // Prints 1

db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("jw", "Jake Wharton"));
db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("mattp", "Matt Precious"));
db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("strong", "Alec Strong"));

System.out.println("Queries: " + queries.get()); // Prints 4

final AtomicInteger queries = new AtomicInteger();
Subscription s = users.subscribe(new Consumer<Query>() {
  @Override public void accept(Query query) {
    queries.getAndIncrement();
  }
});
System.out.println("Queries: " + queries.get()); // Prints 1

db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("jw", "Jake Wharton"));
db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("mattp", "Matt Precious"));
s.unsubscribe();

db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("strong", "Alec Strong"));

System.out.println("Queries: " + queries.get()); // Prints 3

final AtomicInteger queries = new AtomicInteger();
users.subscribe(new Consumer<Query>() {
  @Override public void accept(Query query) {
    queries.getAndIncrement();
  }
});
System.out.println("Queries: " + queries.get()); // Prints 1

Transaction transaction = db.newTransaction();
try {
  db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("jw", "Jake Wharton"));
  db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("mattp", "Matt Precious"));
  db.insert("users", SQLiteDatabase.CONFLICT_ABORT, createUser("strong", "Alec Strong"));
  transaction.markSuccessful();
} finally {
  transaction.end();
}

System.out.println("Queries: " + queries.get()); // Prints 2

users.debounce(500, MILLISECONDS).subscribe(new Consumer<Query>() {
  @Override public void accept(Query query) {
    // TODO...
  }
});

BriteContentResolver resolver = sqlBrite.wrapContentProvider(contentResolver, Schedulers.io());
Observable<Query> query = resolver.createQuery(/*...*/);

implementation 'com.squareup.sqlbrite3:sqlbrite:3.2.0'

implementation 'com.squareup.sqlbrite3:sqlbrite-kotlin:3.2.0'

Copyright 2015 Square, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.