tech.ydb.topic.description.PartitionStats Maven / Gradle / Ivy

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There is a newer version: 2.3.0
package tech.ydb.topic.description;

import java.time.Duration;
import java.time.Instant;

import javax.annotation.Nullable;

/**
 * @author Nikolay Perfilov
 */
public class PartitionStats {
    private final OffsetsRange partitionOffsets;
    private final long storeSizeBytes;
    private final Instant lastWriteTime;
    @Nullable
    private final Duration maxWriteTimeLag;
    private final MultipleWindowsStat bytesWritten;
    private final int partitionNodeId;

    private PartitionStats(Builder builder) {
        this.partitionOffsets = builder.partitionOffsets;
        this.storeSizeBytes = builder.storeSizeBytes;
        this.lastWriteTime = builder.lastWriteTime;
        this.maxWriteTimeLag = builder.maxWriteTimeLag;
        this.bytesWritten = builder.bytesWritten;
        this.partitionNodeId = builder.partitionNodeId;
    }

    public OffsetsRange getPartitionOffsets() {
        return partitionOffsets;
    }

    public long getStoreSizeBytes() {
        return storeSizeBytes;
    }

    public Instant getLastWriteTime() {
        return lastWriteTime;
    }

    @Nullable
    public Duration getMaxWriteTimeLag() {
        return maxWriteTimeLag;
    }

    public MultipleWindowsStat getBytesWritten() {
        return bytesWritten;
    }

    public int getPartitionNodeId() {
        return partitionNodeId;
    }

    public static Builder newBuilder() {
        return new Builder();
    }

    /**
     * BUILDER
     */
    public static class Builder {
        private OffsetsRange partitionOffsets;
        private long storeSizeBytes;
        private Instant lastWriteTime;
        private Duration maxWriteTimeLag = null;
        private MultipleWindowsStat bytesWritten;
        private int partitionNodeId;

        public Builder setPartitionOffsets(OffsetsRange partitionOffsets) {
            this.partitionOffsets = partitionOffsets;
            return this;
        }

        public Builder setStoreSizeBytes(long storeSizeBytes) {
            this.storeSizeBytes = storeSizeBytes;
            return this;
        }

        public Builder setLastWriteTime(Instant lastWriteTime) {
            this.lastWriteTime = lastWriteTime;
            return this;
        }

        public Builder setMaxWriteTimeLag(Duration maxWriteTimeLag) {
            this.maxWriteTimeLag = maxWriteTimeLag;
            return this;
        }

        public Builder setBytesWritten(MultipleWindowsStat bytesWritten) {
            this.bytesWritten = bytesWritten;
            return this;
        }

        public Builder setPartitionNodeId(int partitionNodeId) {
            this.partitionNodeId = partitionNodeId;
            return this;
        }

        public PartitionStats build() {
            return new PartitionStats(this);
        }
    }
}