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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.spike.event.outgoing;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.annotations.SerializedName;
import org.onap.aai.spike.exception.SpikeException;
/**
* This class provides a generic representation of a Vertex as provided by the graph data store.
*
*/
public class SpikeVertex {
/**
* The unique identifier used to identify this vertex in the graph data store.
*/
@SerializedName("key")
private String id;
@SerializedName("schema-version")
private String modelVersion;
/** Type label assigned to this vertex. */
private String type;
/** Map of all of the properties assigned to this vertex. */
private JsonElement properties;
/** Marshaller/unmarshaller for converting to/from JSON. */
private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create();
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public JsonElement getProperties() {
return properties;
}
public void setProperties(JsonElement properties) {
this.properties = properties;
}
public String getModelVersion() {
return modelVersion;
}
public void setModelVersion(String modelVersion) {
this.modelVersion = modelVersion;
}
/**
* Unmarshalls this Vertex object into a JSON string.
*
* @return - A JSON format string representation of this Vertex.
*/
public String toJson() {
return gson.toJson(this);
}
/**
* Marshalls the provided JSON string into a Vertex object.
*
* @param json - The JSON string to produce the Vertex from.
*
* @return - A Vertex object.
*
* @throws SpikeException
*/
public static SpikeVertex fromJson(String json) throws SpikeException {
try {
// Make sure that we were actually provided a non-empty string
// before we
// go any further.
if (json == null || json.isEmpty()) {
throw new SpikeException("Empty or null JSON string.");
}
// Marshall the string into a Vertex object.
return gson.fromJson(json, SpikeVertex.class);
} catch (Exception ex) {
throw new SpikeException("Unable to parse JSON string: " + ex.getMessage());
}
}
@Override
public String toString() {
return toJson();
}
}
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