Examples with City com.example.firestore.snippets.model.City used on opensource projects

Example 16 with City

use of com.example.firestore.snippets.model.City in project java-docs-samples by GoogleCloudPlatform.

the class ManageDataSnippets method writeBatch.

/**
 * Write documents in a batch.
 */
void writeBatch() throws Exception {
    db.collection("cities").document("SF").set(new City()).get();
    db.collection("cities").document("LA").set(new City()).get();
    // [START fs_write_batch]
    // Get a new write batch
    WriteBatch batch = db.batch();
    // Set the value of 'NYC'
    DocumentReference nycRef = db.collection("cities").document("NYC");
    batch.set(nycRef, new City());
    // Update the population of 'SF'
    DocumentReference sfRef = db.collection("cities").document("SF");
    batch.update(sfRef, "population", 1000000L);
    // Delete the city 'LA'
    DocumentReference laRef = db.collection("cities").document("LA");
    batch.delete(laRef);
    // asynchronously commit the batch
    ApiFuture<List<WriteResult>> future = batch.commit();
    // future.get() blocks on batch commit operation
    for (WriteResult result : future.get()) {
        System.out.println("Update time : " + result.getUpdateTime());
    }
// [END fs_write_batch]
}