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

Example 16 with Mutation

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

the class DynamoMutation method getConditionBindMap.

@Nonnull
public Map<String, AttributeValue> getConditionBindMap() {
    ValueBinder binder = new ValueBinder(CONDITION_VALUE_ALIAS);
    Mutation mutation = (Mutation) getOperation();
    mutation.getCondition().ifPresent(c -> c.getExpressions().forEach(e -> e.getColumn().accept(binder)));
    return binder.build();
}

Example 17 with Mutation

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

the class DynamoMutation method getConditionColumnMap.

@Nonnull
public Map<String, String> getConditionColumnMap() {
    Map<String, String> ret = new HashMap<>();
    Mutation mutation = (Mutation) getOperation();
    if (mutation.getCondition().isPresent()) {
        int index = 0;
        for (ConditionalExpression expression : mutation.getCondition().get().getExpressions()) {
            ret.put(CONDITION_COLUMN_NAME_ALIAS + index, expression.getName());
            index++;
        }
    }
    return ret;
}

Example 18 with Mutation

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

the class MultiStorage method mutate.

@Override
public void mutate(List<? extends Mutation> mutations) throws ExecutionException {
    checkArgument(mutations.size() != 0);
    if (mutations.size() == 1) {
        Mutation mutation = mutations.get(0);
        if (mutation instanceof Put) {
            put((Put) mutation);
        } else if (mutation instanceof Delete) {
            delete((Delete) mutation);
        }
        return;
    }
    mutations = copyAndSetTargetToIfNot(mutations);
    getStorage(mutations.get(0)).mutate(mutations);
}

Example 19 with Mutation

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

the class GrpcStorageTest method mutate_StubThrowFailedPreconditionError_ShouldThrowNoMutationException.

@Test
public void mutate_StubThrowFailedPreconditionError_ShouldThrowNoMutationException() {
    // Arrange
    Key partitionKey = new Key("col1", 1);
    List<Mutation> mutations = Arrays.asList(new Put(partitionKey), new Delete(partitionKey));
    when(blockingStub.mutate(any())).thenThrow(Status.FAILED_PRECONDITION.asRuntimeException());
    // Act
    assertThatThrownBy(() -> storage.mutate(mutations)).isInstanceOf(NoMutationException.class);
}

Example 20 with Mutation

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

the class Cassandra method mutate.

@Override
public void mutate(List<? extends Mutation> mutations) throws ExecutionException {
    checkArgument(mutations.size() != 0);
    if (mutations.size() == 1) {
        Mutation mutation = mutations.get(0);
        if (mutation instanceof Put) {
            put((Put) mutation);
        } else if (mutation instanceof Delete) {
            delete((Delete) mutation);
        }
        return;
    }
    mutations = copyAndSetTargetToIfNot(mutations);
    operationChecker.check(mutations);
    for (Mutation mutation : mutations) {
        operationChecker.check(mutation);
    }
    batch.handle(mutations);
}