co.cask.cdap.etl.mock.spark.Window Maven / Gradle / Ivy
/*
* Copyright © 2016 Cask Data, 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 co.cask.cdap.etl.mock.spark;
import co.cask.cdap.api.plugin.PluginClass;
import co.cask.cdap.api.plugin.PluginPropertyField;
import co.cask.cdap.etl.api.streaming.Windower;
import co.cask.cdap.etl.proto.v2.ETLPlugin;
import com.google.common.collect.ImmutableMap;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* Window plugin.
*/
public class Window extends Windower {
public static final PluginClass PLUGIN_CLASS = getPluginClass();
private final Conf conf;
public Window(Conf conf) {
this.conf = conf;
}
@Override
public long getWidth() {
return conf.width;
}
@Override
public long getSlideInterval() {
return conf.slideInterval;
}
/**
* Config for window plugin.
*/
public static class Conf {
long width;
long slideInterval;
}
public static ETLPlugin getPlugin(long width, long slideInterval) throws IOException {
return new ETLPlugin("Window", Windower.PLUGIN_TYPE,
ImmutableMap.of("width", String.valueOf(width),
"slideInterval", String.valueOf(slideInterval)),
null);
}
private static PluginClass getPluginClass() {
Map properties = new HashMap<>();
properties.put("width", new PluginPropertyField("width", "", "long", true, false));
properties.put("slideInterval", new PluginPropertyField("slideInterval", "", "long", true, false));
return new PluginClass(Windower.PLUGIN_TYPE, "Window", "", Window.class.getName(), "conf", properties);
}
}