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// Copyright 2015-2019 SWIM.AI inc.
//
// 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 swim.streamlet;

public class ValueOutput extends AbstractInlet {
  protected I state;

  public ValueOutput(I state) {
    this.state = state;
  }

  public ValueOutput() {
    this(null);
  }

  public I get() {
    return this.state;
  }

  @Override
  protected void onReconcileOutput(int version) {
    if (this.input != null) {
      this.state = this.input.get();
    }
  }
}