/**
* 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.blur.command.commandtype;
import java.util.Collections;
import java.util.Set;
import java.util.TreeSet;
import org.apache.blur.command.BaseContext;
import org.apache.blur.command.Shard;
import org.apache.blur.command.annotation.OptionalArgument;
import org.apache.blur.command.annotation.RequiredArgument;
public abstract class ClusterExecuteServerReadCommandSingleTable<T> extends ClusterExecuteServerReadCommand<T> {
@RequiredArgument("The name of the table.")
private String table;
@OptionalArgument("The shard ids (e.g. shard-0000000).")
private Set<String> shards;
@Override
public Set<String> routeTables(BaseContext context) {
return asSet(table);
}
@SuppressWarnings("unchecked")
@Override
public Set<Shard> routeShards(BaseContext context, Set<String> tables) {
if (shards == null) {
return Collections.EMPTY_SET;
}
Set<Shard> result = new TreeSet<Shard>();
for (String shard : shards) {
result.add(new Shard(table, shard));
}
return result;
}
public String getTable() {
return table;
}
public void setTable(String table) {
this.table = table;
}
public Set<String> getShards() {
return shards;
}
public void setShards(Set<String> shards) {
this.shards = shards;
}
public void addShard(String shard) {
if (shards == null) {
shards = new TreeSet<String>();
}
shards.add(shard);
}
}