Examples with Put com.scalar.db.api.Put used on opensource projects

Example 66 with Put

use of com.scalar.db.api.Put in project scalardb by scalar-labs.

the class ElectronicMoneyWithStorage method charge.

@Override
public void charge(String id, int amount) throws ExecutionException {
    // Retrieve the current balance for id
    Get get = new Get(new Key(ID, id));
    Optional<Result> result = storage.get(get);
    // Calculate the balance
    int balance = amount;
    if (result.isPresent()) {
        int current = result.get().getValue(BALANCE).get().getAsInt();
        balance += current;
    }
    // Update the balance
    Put put = new Put(new Key(ID, id)).withValue(BALANCE, balance);
    storage.put(put);
}

Example 67 with Put

use of com.scalar.db.api.Put in project scalardb by scalar-labs.

the class ElectronicMoneyWithTransaction method charge.

@Override
public void charge(String id, int amount) throws TransactionException {
    // Start a transaction
    DistributedTransaction tx = manager.start();
    try {
        // Retrieve the current balance for id
        Get get = new Get(new Key(ID, id));
        Optional<Result> result = tx.get(get);
        // Calculate the balance
        int balance = amount;
        if (result.isPresent()) {
            int current = result.get().getValue(BALANCE).get().getAsInt();
            balance += current;
        }
        // Update the balance
        Put put = new Put(new Key(ID, id)).withValue(BALANCE, balance);
        tx.put(put);
        // Commit the transaction (records are automatically recovered in case of failure)
        tx.commit();
    } catch (Exception e) {
        tx.abort();
        throw e;
    }
}

Example 68 with Put

use of com.scalar.db.api.Put in project scalardb by scalar-labs.

the class InsertStatementHandlerTest method preparePutWithClusteringKey.

private Put preparePutWithClusteringKey() {
    Key partitionKey = new Key(ANY_NAME_1, ANY_TEXT_1);
    Key clusteringKey = new Key(ANY_NAME_2, ANY_TEXT_2);
    return new Put(partitionKey, clusteringKey).withValue(ANY_NAME_3, ANY_INT_1).forNamespace(ANY_NAMESPACE_NAME).forTable(ANY_TABLE_NAME);
}

Example 69 with Put

use of com.scalar.db.api.Put in project scalardb by scalar-labs.

the class InsertStatementHandlerTest method preparePutWithReservedKeywords.

private Put preparePutWithReservedKeywords() {
    Key partitionKey = new Key("from", ANY_TEXT_1);
    Key clusteringKey = new Key("to", ANY_TEXT_2);
    return new Put(partitionKey, clusteringKey).withValue("one", ANY_INT_1).forNamespace("keyspace").forTable("table");
}

Example 70 with Put

use of com.scalar.db.api.Put in project scalardb by scalar-labs.

the class UpdateStatementHandlerTest method preparePutWithReservedKeywords.

private Put preparePutWithReservedKeywords() {
    Key partitionKey = new Key("from", ANY_TEXT_1);
    Key clusteringKey = new Key("to", ANY_TEXT_2);
    return new Put(partitionKey, clusteringKey).withValue("one", ANY_INT_1).forNamespace("keyspace").forTable("table");
}