org.apache.flink.table.planner.plan.trait.MiniBatchInterval Maven / Gradle / Ivy
Show all versions of flink-table-planner-blink_2.11 Show documentation
/*
* 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.table.planner.plan.trait;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Objects;
import static org.apache.flink.util.Preconditions.checkNotNull;
/** The pojo class that describes the mini-batch interval and mini-batch mode. */
public class MiniBatchInterval {
public static final String FIELD_NAME_INTERVAL = "interval";
public static final String FIELD_NAME_MODE = "mode";
/** interval of mini-batch. */
@JsonProperty(FIELD_NAME_INTERVAL)
private final long interval;
/** The type of mini-batch: rowtime/proctime. */
@JsonProperty(FIELD_NAME_MODE)
private final MiniBatchMode mode;
/** default none value. */
public static final MiniBatchInterval NONE = new MiniBatchInterval(0L, MiniBatchMode.None);
/**
* specific for cases when there exists nodes require watermark but mini-batch interval of
* watermark is disabled by force, e.g. existing window aggregate.
*
* The difference between NONE AND NO_MINIBATCH is when merging with other miniBatchInterval,
* NONE case yields other miniBatchInterval, while NO_MINIBATCH case yields NO_MINIBATCH.
*/
public static final MiniBatchInterval NO_MINIBATCH =
new MiniBatchInterval(-1L, MiniBatchMode.None);
@JsonCreator
public MiniBatchInterval(
@JsonProperty(FIELD_NAME_INTERVAL) long interval,
@JsonProperty(FIELD_NAME_MODE) MiniBatchMode mode) {
this.interval = interval;
this.mode = checkNotNull(mode);
}
public long getInterval() {
return interval;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
MiniBatchInterval that = (MiniBatchInterval) o;
return interval == that.interval && mode == that.mode;
}
@Override
public int hashCode() {
return Objects.hash(interval, mode);
}
public MiniBatchMode getMode() {
return mode;
}
@Override
public String toString() {
return "MiniBatchInterval{" + "interval=" + interval + ", mode=" + mode + '}';
}
}