/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.metadata.sys;
import com.google.common.collect.ImmutableMap;
import io.crate.analyze.WhereClause;
import io.crate.metadata.Routing;
import io.crate.metadata.table.AbstractTableInfo;
import io.crate.metadata.table.ColumnPolicy;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.collect.MapBuilder;
import java.util.Map;
import java.util.Set;
public abstract class SysTableInfo extends AbstractTableInfo {
public static final String SCHEMA = "sys";
protected final ClusterService clusterService;
protected SysTableInfo(ClusterService clusterService, SysSchemaInfo sysSchemaInfo) {
super(sysSchemaInfo);
this.clusterService = clusterService;
}
protected Routing tableRouting(WhereClause whereClause) {
DiscoveryNodes nodes = clusterService.state().nodes();
ImmutableMap.Builder<String, Map<String, Set<Integer>>> builder = ImmutableMap.builder();
for (DiscoveryNode node : nodes) {
builder.put(
node.id(),
MapBuilder.<String, Set<Integer>>newMapBuilder().put(ident().fqn(), null).map()
);
}
return new Routing(builder.build());
}
@Override
public ColumnPolicy columnPolicy() {
return ColumnPolicy.STRICT;
}
}