/*
* Copyright © 2014 Cask Data, Inc.
*
* 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 co.cask.cdap.internal.app;
import co.cask.cdap.api.ResourceSpecification;
import co.cask.cdap.api.procedure.ProcedureSpecification;
import co.cask.cdap.internal.procedure.DefaultProcedureSpecification;
import com.google.common.reflect.TypeToken;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.Set;
/**
*
*/
final class ProcedureSpecificationCodec extends AbstractSpecificationCodec<ProcedureSpecification> {
@Override
public JsonElement serialize(ProcedureSpecification src, Type typeOfSrc, JsonSerializationContext context) {
JsonObject jsonObj = new JsonObject();
jsonObj.add("className", new JsonPrimitive(src.getClassName()));
jsonObj.add("name", new JsonPrimitive(src.getName()));
jsonObj.add("description", new JsonPrimitive(src.getDescription()));
jsonObj.add("datasets", serializeSet(src.getDataSets(), context, String.class));
jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));
jsonObj.add("resources", context.serialize(src.getResources(),
new TypeToken<ResourceSpecification>() { }.getType()));
jsonObj.addProperty("instances", src.getInstances());
return jsonObj;
}
@Override
public ProcedureSpecification deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
JsonObject jsonObj = json.getAsJsonObject();
String className = jsonObj.get("className").getAsString();
String name = jsonObj.get("name").getAsString();
String description = jsonObj.get("description").getAsString();
Set<String> dataSets = deserializeSet(jsonObj.get("datasets"), context, String.class);
Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
ResourceSpecification resourceSpec = context.deserialize(jsonObj.get("resources"),
new TypeToken<ResourceSpecification>() { }.getType());
JsonElement instanceElem = jsonObj.get("instances");
int instances = (instanceElem == null || instanceElem.isJsonNull()) ? 1 : jsonObj.get("instances").getAsInt();
return new DefaultProcedureSpecification(className, name, description, dataSets,
properties, resourceSpec, instances);
}
}