/*
* The MIT License
*
* Copyright 2015 Tim Boudreau.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.mastfrog.acteur.mongo.async;
import com.google.inject.Inject;
import com.mastfrog.acteur.Acteur;
import com.mastfrog.acteurbase.Chain;
import com.mongodb.async.client.FindIterable;
import com.mongodb.async.client.MongoCollection;
import io.netty.buffer.ByteBuf;
import org.bson.conversions.Bson;
/**
* Acteur which can be used in @Concluders to run a query and stream its
* results. Expects to find an instance of Bson (Document, etc.) and
* CursorControl available (passed to next() in a preceding acteur in the
* chain).
*
* @author Tim Boudreau
*/
public class QueryActeur extends Acteur {
@SuppressWarnings("unchecked")
@Inject
QueryActeur(Bson query, CursorControl ctrl, MongoCollection<?> collection, Chain<Acteur> chain) {
FindIterable<ByteBuf> find = collection.find(query, ByteBuf.class);
chain.add(WriteCursorContentsAsJSON.class);
next(find);
}
}