org.apache.flink.connector.pulsar.source.split.PulsarPartitionSplit Maven / Gradle / Ivy

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/*
 * Licensed 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.pulsar.source.split;

import org.apache.flink.annotation.Internal;
import org.apache.flink.api.connector.source.SourceSplit;
import org.apache.flink.connector.pulsar.source.AbstractPartition;
import org.apache.flink.connector.pulsar.source.StartOffsetInitializer;
import org.apache.flink.connector.pulsar.source.StopCondition;

import org.apache.pulsar.client.api.MessageId;

import javax.annotation.Nullable;

import java.io.Serializable;

import static org.apache.flink.util.Preconditions.checkNotNull;

/**
 * A {@link SourceSplit} for a Pulsar partition.
 */
@Internal
public class PulsarPartitionSplit implements SourceSplit, Serializable, Cloneable {
    private final AbstractPartition partition;
    private final StartOffsetInitializer startOffsetInitializer;
    private final StopCondition stopCondition;
    @Nullable
    private MessageId lastConsumedId;

    public PulsarPartitionSplit(AbstractPartition partition, StartOffsetInitializer startOffsetInitializer, StopCondition stopCondition) {
        this.partition = checkNotNull(partition);
        this.startOffsetInitializer = checkNotNull(startOffsetInitializer);
        this.stopCondition = checkNotNull(stopCondition);
    }

    public String getTopic() {
        return partition.getTopic();
    }

    public AbstractPartition getPartition() {
        return partition;
    }

    public StartOffsetInitializer getStartOffsetInitializer() {
        return startOffsetInitializer;
    }

    public StopCondition getStopCondition() {
        return stopCondition;
    }

   /* public Collection getKeyRanges() {
        return partition.getKeyRanges();
    }*/

    @Nullable
    public MessageId getLastConsumedId() {
        return lastConsumedId;
    }

    public void setLastConsumedId(MessageId lastConsumedId) {
        this.lastConsumedId = lastConsumedId;
    }

    @Override
    public String splitId() {
        return partition.toString();
    }

    @Override
    public String toString() {
        return String.format("[Partition: %s, lastConsumedId: %d]", partition, lastConsumedId);
    }

    @Override
    public PulsarPartitionSplit clone() {
        try {
            return (PulsarPartitionSplit) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new IllegalStateException(e);
        }
    }
}