org.apache.flink.streaming.api.functions.sink.filesystem.rollingpolicies.CheckpointRollingPolicy 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.streaming.api.functions.sink.filesystem.rollingpolicies;
import org.apache.flink.annotation.PublicEvolving;
import org.apache.flink.streaming.api.functions.sink.filesystem.PartFileInfo;
import org.apache.flink.streaming.api.functions.sink.filesystem.RollingPolicy;
import java.io.IOException;
/**
* An abstract {@link RollingPolicy} which rolls on every checkpoint.
*/
@PublicEvolving
public abstract class CheckpointRollingPolicy implements RollingPolicy {
public boolean shouldRollOnCheckpoint(PartFileInfo partFileState) {
return true;
}
public abstract boolean shouldRollOnEvent(final PartFileInfo partFileState, IN element) throws IOException;
public abstract boolean shouldRollOnProcessingTime(final PartFileInfo partFileState, final long currentTime) throws IOException;
/**
* The base abstract builder class for {@link CheckpointRollingPolicy}.
*/
public abstract static class PolicyBuilder> {
@SuppressWarnings("unchecked")
protected T self() {
return (T) this;
}
public abstract CheckpointRollingPolicy build();
}
}