/*
 * Copyright 2009 Phil Burk, Mobileer 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 com.jsyn.unitgen;

import com.jsyn.ports.UnitDataQueuePort;
import com.jsyn.ports.UnitInputPort;

/**
 * Base class for writing to a sample.
 *
 * Note that you must call start() on subclasses of this unit because it does not have an output for pulling data.
 *
 * @author Phil Burk (C) 2009 Mobileer Inc
 */
public abstract class SequentialDataWriter extends UnitGenerator {
    public UnitDataQueuePort dataQueue;
    public UnitInputPort input;

    public SequentialDataWriter() {
        addPort(dataQueue = new UnitDataQueuePort("Data"));
    }

    /**
     * This unit won't do anything unless you start() it.
     */
    @Override
    public boolean isStartRequired() {
        return true;
    }
}