spark CompositeReadLimit 源码
spark CompositeReadLimit 代码
文件路径：/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/streaming/CompositeReadLimit.java
/*
* 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.spark.sql.connector.read.streaming;
import org.apache.spark.annotation.Evolving;
import java.util.Arrays;
/**
/**
* Represents a {@link ReadLimit} where the {@link MicroBatchStream} should scan approximately
* given maximum number of rows with at least the given minimum number of rows.
*
* @see SupportsAdmissionControl#latestOffset(Offset, ReadLimit)
* @since 3.2.0
*/
@Evolving
public final class CompositeReadLimit implements ReadLimit {
private ReadLimit[] readLimits;
CompositeReadLimit(ReadLimit[] readLimits) {
this.readLimits = readLimits;
}
public ReadLimit[] getReadLimits() { return readLimits; }
@Override
public String toString() {
return "CompositeReadLimit{" + "readLimits=" + Arrays.toString(readLimits) + '}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CompositeReadLimit that = (CompositeReadLimit) o;
return Arrays.equals(getReadLimits(), that.getReadLimits());
}
@Override
public int hashCode() {
return Arrays.hashCode(getReadLimits());
}
}
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