/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 storm.trident;

import backtype.storm.topology.ResourceDeclarer;
import storm.trident.planner.Node;


public class TridentState implements ResourceDeclarer<TridentState> {
    TridentTopology _topology;
    Node _node;

    protected TridentState(TridentTopology topology, Node node) {
        _topology = topology;
        _node = node;
    }
    
    public Stream newValuesStream() {
        return new Stream(_topology, _node.name, _node);
    }

    public TridentState parallelismHint(int parallelism) {
        _node.parallelismHint = parallelism;
        return this;
    }

    @Override
    public TridentState setCPULoad(Number load) {
        _node.setCPULoad(load);
        return this;
    }

    @Override
    public TridentState setMemoryLoad(Number onHeap) {
        _node.setMemoryLoad(onHeap);
        return this;
    }

    @Override
    public TridentState setMemoryLoad(Number onHeap, Number offHeap) {
        _node.setMemoryLoad(onHeap, offHeap);
        return this;
    }
}