/*
 * 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.
 */
package com.facebook.presto.client;

import com.facebook.presto.common.type.TimeZoneKey;
import com.facebook.presto.spi.security.SelectedRole;

import javax.annotation.Nullable;

import java.io.Closeable;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

public interface StatementClient
        extends Closeable
{
    String getQuery();

    TimeZoneKey getTimeZone();

    boolean isRunning();

    boolean isClientAborted();

    boolean isClientError();

    boolean isFinished();

    StatementStats getStats();

    QueryStatusInfo currentStatusInfo();

    QueryData currentData();

    QueryStatusInfo finalStatusInfo();

    Optional<String> getSetCatalog();

    Optional<String> getSetSchema();

    Map<String, String> getSetSessionProperties();

    Set<String> getResetSessionProperties();

    Map<String, SelectedRole> getSetRoles();

    Map<String, String> getAddedPreparedStatements();

    Set<String> getDeallocatedPreparedStatements();

    @Nullable
    String getStartedTransactionId();

    boolean isClearTransactionId();

    Map<String, String> getAddedSessionFunctions();

    Set<String> getRemovedSessionFunctions();

    boolean advance();

    void cancelLeafStage();

    @Override
    void close();
}
