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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 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.openecomp.aai.serialization.queryformats;
import java.util.Iterator;
import java.util.List;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.VertexProperty;
import org.openecomp.aai.db.props.AAIProperties;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.serialization.db.DBSerializer;
import org.openecomp.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
import org.openecomp.aai.serialization.queryformats.params.Depth;
import org.openecomp.aai.serialization.queryformats.params.NodesOnly;
import org.openecomp.aai.serialization.queryformats.utils.UrlBuilder;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
public class RawFormat implements FormatMapper {
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 RawFormat(Builder builder) {
this.urlBuilder = builder.getUrlBuilder();
this.loader = builder.getLoader();
this.serializer = builder.getSerializer();
this.depth = builder.getDepth();
this.nodesOnly = builder.isNodesOnly();
}
@Override
public JsonObject formatObject(Object input) throws AAIFormatVertexException {
Vertex v = (Vertex)input;
JsonObject json = new JsonObject();
json.addProperty("id", v.id().toString());
json.addProperty("node-type", v.<String>value(AAIProperties.NODE_TYPE));
json.addProperty("url", this.urlBuilder.pathed(v));
json.add("properties", this.createPropertiesObject(v));
if (!nodesOnly) {
json.add("related-to", this.createRelationshipObject(v));
}
return json;
}
@Override
public int parallelThreshold() {
return 100;
}
public JsonObject createPropertiesObject(Vertex v) throws AAIFormatVertexException {
JsonObject json = new JsonObject();
Iterator<VertexProperty<Object>> iter = v.properties();
while (iter.hasNext()) {
VertexProperty<Object> prop = iter.next();
if (prop.value() instanceof String) {
json.addProperty(prop.key(), (String)prop.value());
} else if (prop.value() instanceof Boolean) {
json.addProperty(prop.key(), (Boolean)prop.value());
} else if (prop.value() instanceof Number) {
json.addProperty(prop.key(), (Number)prop.value());
} else if (prop.value() instanceof List) {
Gson gson = new Gson();
String list = gson.toJson(prop.value());
json.addProperty(prop.key(), list);
} else {
//throw exception?
return null;
}
}
return json;
}
protected JsonArray createRelationshipObject(Vertex v) throws AAIFormatVertexException {
JsonArray jarray = new JsonArray();
Iterator<Vertex> iter = v.vertices(Direction.BOTH);
while (iter.hasNext()) {
Vertex related = iter.next();
JsonObject json = new JsonObject();
json.addProperty("id", related.id().toString());
json.addProperty("node-type", related.<String>value(AAIProperties.NODE_TYPE));
json.addProperty("url", this.urlBuilder.pathed(related));
jarray.add(json);
}
return jarray;
}
public static class Builder implements NodesOnly<Builder>, Depth<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;
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;
}
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 RawFormat build() {
if (modelDriven) {
return new SimpleFormat(this);
} else {
return new RawFormat(this);
}
}
}
}
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