/*
* 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 org.apache.streams.local.test.providers;
import org.apache.streams.core.StreamsProvider;
import org.apache.streams.core.StreamsResultSet;
import org.joda.time.DateTime;
import java.math.BigInteger;
import java.util.concurrent.LinkedBlockingQueue;
/**
* Provides new, empty instances of result set.
*/
public class EmptyResultSetProvider implements StreamsProvider {
@Override
public String getId() {
return "EmptyResultSetProvider";
}
@Override
public void startStream() {
//NOP
}
@Override
public StreamsResultSet readCurrent() {
return new StreamsResultSet(new LinkedBlockingQueue<>());
}
@Override
public StreamsResultSet readNew(BigInteger sequence) {
return new StreamsResultSet(new LinkedBlockingQueue<>());
}
@Override
public StreamsResultSet readRange(DateTime start, DateTime end) {
return new StreamsResultSet(new LinkedBlockingQueue<>());
}
@Override
public boolean isRunning() {
return true;
}
@Override
public void prepare(Object configurationObject) {
//NOP
}
@Override
public void cleanUp() {
//NOP
}
}