| /* |
| * 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.druid.timeline.partition; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.RangeSet; |
| import org.apache.druid.data.input.InputRow; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * An extendable linear shard spec. {@link #partitionNum} represents an unique id of a partition. |
| */ |
| public final class LinearShardSpec implements ShardSpec |
| { |
| private final int partitionNum; |
| |
| @JsonCreator |
| public LinearShardSpec(@JsonProperty("partitionNum") Integer partitionNum) |
| { |
| this.partitionNum = Preconditions.checkNotNull(partitionNum, "Must set partitionNum on LinearShardSpec"); |
| } |
| |
| @JsonProperty("partitionNum") |
| @Override |
| public int getPartitionNum() |
| { |
| return partitionNum; |
| } |
| |
| @Override |
| public int getNumCorePartitions() |
| { |
| return 0; |
| } |
| |
| @Override |
| public ShardSpecLookup getLookup(final List<? extends ShardSpec> shardSpecs) |
| { |
| return (long timestamp, InputRow row) -> shardSpecs.get(0); |
| } |
| |
| @Override |
| public List<String> getDomainDimensions() |
| { |
| return ImmutableList.of(); |
| } |
| |
| @Override |
| public boolean possibleInDomain(Map<String, RangeSet<String>> domain) |
| { |
| return true; |
| } |
| |
| @Override |
| public <T> PartitionChunk<T> createChunk(T obj) |
| { |
| return new LinearPartitionChunk<>(partitionNum, obj); |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof LinearShardSpec)) { |
| return false; |
| } |
| LinearShardSpec that = (LinearShardSpec) o; |
| return partitionNum == that.partitionNum; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return partitionNum; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "LinearShardSpec{" + |
| "partitionNum=" + partitionNum + |
| '}'; |
| } |
| } |