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/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.cli.net;
import java.util.List;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.store.service.MapInfo;
import org.onosproject.store.service.StorageAdminService;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* Command to list the various maps in the system.
*/
@Command(scope = "onos", name = "maps",
description = "Lists information about consistent maps in the system")
public class MapsListCommand extends AbstractShellCommand {
// TODO: Add support to display different eventually
// consistent maps as well.
private static final String FMT = "name=%s size=%d";
/**
* Displays map info as text.
*
* @param mapInfo map descriptions
*/
private void displayMaps(List<MapInfo> mapInfo) {
for (MapInfo info : mapInfo) {
print(FMT, info.name(), info.size());
}
}
/**
* Converts list of map info into a JSON object.
*
* @param mapInfo map descriptions
*/
private JsonNode json(List<MapInfo> mapInfo) {
ObjectMapper mapper = new ObjectMapper();
ArrayNode maps = mapper.createArrayNode();
// Create a JSON node for each map
mapInfo.stream()
.forEach(info -> {
ObjectNode map = mapper.createObjectNode();
map.put("name", info.name())
.put("size", info.size());
maps.add(map);
});
return maps;
}
@Override
protected void execute() {
StorageAdminService storageAdminService = get(StorageAdminService.class);
List<MapInfo> mapInfo = storageAdminService.getMapInfo();
if (outputJson()) {
print("%s", json(mapInfo));
} else {
displayMaps(mapInfo);
}
}
}
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