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The reactive Postgres client

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/*
 * Copyright (C) 2017 Julien Viet
 *
 * 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 io.reactiverse.pgclient.impl;

import io.reactiverse.pgclient.Row;
import io.reactiverse.pgclient.impl.codec.decoder.RowDescription;
import io.vertx.core.AsyncResult;
import io.vertx.core.Handler;

import java.util.stream.Collector;

/**
 * @author Julien Viet
 */
abstract class ExtendedQueryCommandBase extends QueryCommandBase {

  protected final PreparedStatement ps;
  protected final int fetch;
  protected final String portal;
  protected final boolean suspended;

  ExtendedQueryCommandBase(PreparedStatement ps,
                           int fetch,
                           String portal,
                           boolean suspended,
                           boolean singleton,
                           Collector collector,
                           QueryResultHandler resultHandler,
                           Handler> handler) {
    super(collector, resultHandler, handler);
    this.ps = ps;
    this.fetch = fetch;
    this.portal = portal;
    this.suspended = suspended;
    this.decoder = new RowResultDecoder<>(collector, singleton, ps.rowDesc);
  }

  @Override
  String sql() {
    return ps.sql;
  }

  @Override
  public void handleParseComplete() {
    // Response to Parse
  }

  @Override
  public void handlePortalSuspended() {
    R result = decoder.complete();
    RowDescription desc = decoder.description();
    int size = decoder.size();
    decoder.reset();
    this.result = true;
    resultHandler.handleResult(0, size, desc, result);
  }

  @Override
  public void handleBindComplete() {
    // Response to Bind
  }
}