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InstancePartitionSelectorFactory.java
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InstancePartitionSelectorFactory.java
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/**
* 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.pinot.controller.helix.core.assignment.instance;
import java.util.Arrays;
import org.apache.pinot.common.assignment.InstancePartitions;
import org.apache.pinot.spi.config.table.assignment.InstanceAssignmentConfig;
import org.apache.pinot.spi.config.table.assignment.InstanceReplicaGroupPartitionConfig;
public class InstancePartitionSelectorFactory {
private InstancePartitionSelectorFactory() {
}
public static InstancePartitionSelector getInstance(InstanceAssignmentConfig.PartitionSelector partitionSelector,
InstanceReplicaGroupPartitionConfig instanceReplicaGroupPartitionConfig, String tableNameWithType,
InstancePartitions existingInstancePartitions) {
return getInstance(partitionSelector, instanceReplicaGroupPartitionConfig, tableNameWithType,
existingInstancePartitions, null);
}
public static InstancePartitionSelector getInstance(InstanceAssignmentConfig.PartitionSelector partitionSelector,
InstanceReplicaGroupPartitionConfig instanceReplicaGroupPartitionConfig, String tableNameWithType,
InstancePartitions existingInstancePartitions, InstancePartitions preConfiguredInstancePartitions
) {
switch (partitionSelector) {
case FD_AWARE_INSTANCE_PARTITION_SELECTOR:
return new FDAwareInstancePartitionSelector(instanceReplicaGroupPartitionConfig, tableNameWithType,
existingInstancePartitions);
case INSTANCE_REPLICA_GROUP_PARTITION_SELECTOR:
return new InstanceReplicaGroupPartitionSelector(instanceReplicaGroupPartitionConfig, tableNameWithType,
existingInstancePartitions);
case MIRROR_SERVER_SET_PARTITION_SELECTOR:
return new MirrorServerSetInstancePartitionSelector(instanceReplicaGroupPartitionConfig, tableNameWithType,
existingInstancePartitions, preConfiguredInstancePartitions);
default:
throw new IllegalStateException("Unexpected PartitionSelector: " + partitionSelector + ", should be from"
+ Arrays.toString(InstanceAssignmentConfig.PartitionSelector.values()));
}
}
}