/*
* 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 com.facebook.presto.raptor.metadata;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import java.util.List;
import java.util.OptionalInt;
import java.util.Set;
import java.util.UUID;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
public class ShardInfo
{
private final UUID shardUuid;
private final OptionalInt bucketNumber;
private final Set<String> nodeIdentifiers;
private final List<ColumnStats> columnStats;
private final long rowCount;
private final long compressedSize;
private final long uncompressedSize;
@JsonCreator
public ShardInfo(
@JsonProperty("shardUuid") UUID shardUuid,
@JsonProperty("bucketNumber") OptionalInt bucketNumber,
@JsonProperty("nodeIdentifiers") Set<String> nodeIdentifiers,
@JsonProperty("columnStats") List<ColumnStats> columnStats,
@JsonProperty("rowCount") long rowCount,
@JsonProperty("compressedSize") long compressedSize,
@JsonProperty("uncompressedSize") long uncompressedSize)
{
this.shardUuid = requireNonNull(shardUuid, "shardUuid is null");
this.bucketNumber = requireNonNull(bucketNumber, "bucketNumber is null");
this.nodeIdentifiers = ImmutableSet.copyOf(requireNonNull(nodeIdentifiers, "nodeIdentifiers is null"));
this.columnStats = ImmutableList.copyOf(requireNonNull(columnStats, "columnStats is null"));
checkArgument(rowCount >= 0, "rowCount must be positive");
checkArgument(compressedSize >= 0, "compressedSize must be positive");
checkArgument(uncompressedSize >= 0, "uncompressedSize must be positive");
this.rowCount = rowCount;
this.compressedSize = compressedSize;
this.uncompressedSize = uncompressedSize;
}
@JsonProperty
public UUID getShardUuid()
{
return shardUuid;
}
@JsonProperty
public OptionalInt getBucketNumber()
{
return bucketNumber;
}
@JsonProperty
public Set<String> getNodeIdentifiers()
{
return nodeIdentifiers;
}
@JsonProperty
public List<ColumnStats> getColumnStats()
{
return columnStats;
}
@JsonProperty
public long getRowCount()
{
return rowCount;
}
@JsonProperty
public long getCompressedSize()
{
return compressedSize;
}
@JsonProperty
public long getUncompressedSize()
{
return uncompressedSize;
}
@Override
public String toString()
{
return toStringHelper(this)
.add("shardUuid", shardUuid)
.add("bucketNumber", bucketNumber.isPresent() ? bucketNumber.getAsInt() : null)
.add("nodeIdentifiers", nodeIdentifiers)
.add("columnStats", columnStats)
.add("rowCount", rowCount)
.add("compressedSize", compressedSize)
.add("uncompressedSize", uncompressedSize)
.omitNullValues()
.toString();
}
}