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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.serialization.queryformats;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.introspection.Loader;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
import org.onap.aai.serialization.queryformats.params.AsTree;
import org.onap.aai.serialization.queryformats.params.Depth;
import org.onap.aai.serialization.queryformats.params.NodesOnly;
import org.onap.aai.serialization.queryformats.utils.UrlBuilder;
import org.onap.aai.util.AAIConfig;
public class ResourceWithSoT extends MultiFormatMapper {
protected JsonParser parser = new JsonParser();
protected final DBSerializer serializer;
protected final Loader loader;
protected final UrlBuilder urlBuilder;
protected final int depth;
protected final boolean nodesOnly;
protected ResourceWithSoT(Builder builder) {
this.urlBuilder = builder.getUrlBuilder();
this.loader = builder.getLoader();
this.serializer = builder.getSerializer();
this.depth = builder.getDepth();
this.nodesOnly = builder.isNodesOnly();
this.isTree = builder.isTree();
}
@Override
public int parallelThreshold() {
return 100;
}
public static class Builder implements NodesOnly<Builder>, Depth<Builder>, AsTree<Builder> {
protected final Loader loader;
protected final DBSerializer serializer;
protected final UrlBuilder urlBuilder;
protected boolean includeUrl = false;
protected boolean nodesOnly = false;
protected int depth = 1;
protected boolean modelDriven = false;
protected boolean tree = false;
public Builder(Loader loader, DBSerializer serializer, UrlBuilder urlBuilder) {
this.loader = loader;
this.serializer = serializer;
this.urlBuilder = urlBuilder;
}
protected Loader getLoader() {
return this.loader;
}
protected DBSerializer getSerializer() {
return this.serializer;
}
protected UrlBuilder getUrlBuilder() {
return this.urlBuilder;
}
public Builder includeUrl() {
this.includeUrl = true;
return this;
}
protected boolean isTree() { return this.tree; }
public Builder isTree(Boolean tree) {
this.tree = tree;
return this;
}
public Builder nodesOnly(Boolean nodesOnly) {
this.nodesOnly = nodesOnly;
return this;
}
public boolean isNodesOnly() {
return this.nodesOnly;
}
public Builder depth(Integer depth) {
this.depth = depth;
return this;
}
public int getDepth() {
return this.depth;
}
public boolean isIncludeUrl() {
return this.includeUrl;
}
public Builder modelDriven() {
this.modelDriven = true;
return this;
}
public boolean getModelDriven() {
return this.modelDriven;
}
public ResourceWithSoT build() {
return new ResourceWithSoT(this);
}
}
/**
*
* Returns an Optional<JsonObject> to convert the contents from the given Vertex object into a JsonObject.
* The fields returned are to record the time stamp of the creation/modification of the object, the user responsible
* for
* the change, and the last http method performed on the object.
*
* @param v
* @return
* @throws AAIFormatVertexException
*/
@Override
protected Optional<JsonObject> getJsonFromVertex(Vertex v) throws AAIFormatVertexException {
// Null check
if (v == null) {
return Optional.empty();
}
JsonObject json = new JsonObject();
Object createdTimestampObj = v.property(AAIProperties.CREATED_TS).value();
Object lastModifiedTimestampObj = v.property(AAIProperties.LAST_MOD_TS).value();
Object sotObj = v.property(AAIProperties.SOURCE_OF_TRUTH).value();
Object lastModSotObj = v.property(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH).value();
long createdTimestamp = Long.parseLong(createdTimestampObj.toString());
long lastModifiedTimestamp = Long.parseLong(lastModifiedTimestampObj.toString());
long threshold = Long.parseLong(AAIConfig.get("aai.resource.format.threshold", "10"));
// Add to the property field of the JSON payload
json.addProperty("aai-created-ts", createdTimestampObj.toString());
json.addProperty("aai-last-mod-ts", lastModifiedTimestampObj.toString());
json.addProperty("source-of-truth", sotObj.toString());
json.addProperty("last-mod-source-of-truth", lastModSotObj.toString());
// Check if the timestamp difference between creation and last modification are greater than a certain
// threshold, and if the source of truth differs
// If the timestamp difference is marginal and the SoT (creator/modifier) is the same, the last action performed
// is likely to be a creation.
long timestampDiff = lastModifiedTimestamp - createdTimestamp;
boolean isSameSoT = sotObj.toString().equals(lastModSotObj.toString());
if (timestampDiff <= threshold && isSameSoT)
json.addProperty("last-action-performed", "Created");
else
json.addProperty("last-action-performed", "Modified");
return Optional.of(json);
}
@Override
protected Optional<JsonObject> getJsonFromVertex(Vertex input, Map<String, List<String>> properties) throws AAIFormatVertexException {
return Optional.empty();
}
}
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