org.apache.flink.connector.base.source.reader.fetcher.AddSplitsTask Maven / Gradle / Ivy
/*
* 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.flink.connector.base.source.reader.fetcher;
import org.apache.flink.api.connector.source.SourceSplit;
import org.apache.flink.connector.base.source.reader.splitreader.SplitReader;
import org.apache.flink.connector.base.source.reader.splitreader.SplitsAddition;
import java.util.List;
import java.util.Map;
/** The task to add splits. */
class AddSplitsTask implements SplitFetcherTask {
private final SplitReader splitReader;
private final List splitsToAdd;
private final Map assignedSplits;
AddSplitsTask(
SplitReader splitReader,
List splitsToAdd,
Map assignedSplits) {
this.splitReader = splitReader;
this.splitsToAdd = splitsToAdd;
this.assignedSplits = assignedSplits;
}
@Override
public boolean run() {
for (SplitT s : splitsToAdd) {
assignedSplits.put(s.splitId(), s);
}
splitReader.handleSplitsChanges(new SplitsAddition<>(splitsToAdd));
return true;
}
@Override
public void wakeUp() {
// Do nothing.
}
@Override
public String toString() {
return String.format("AddSplitsTask: [%s]", splitsToAdd);
}
}