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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.query.builder;
import java.util.LinkedHashMap;
import java.util.List;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.openecomp.aai.db.props.AAIProperties;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.serialization.db.EdgeRule;
import org.openecomp.aai.serialization.db.EdgeRules;
public abstract class GremlinPipelineBuilder extends QueryBuilder {
private GremlinPipeline pipeline = null;
private EdgeRules edgeRules = EdgeRules.getInstance();
private int parentStepIndex = 0;
private int stepIndex = 0;
public GremlinPipelineBuilder(Loader loader) {
super(loader);
pipeline = new GremlinPipeline(new IdentityPipe()).V();
}
public GremlinPipelineBuilder(Loader loader, Vertex start) {
super(loader, start);
pipeline = new GremlinPipeline(start);
}
@Override
public QueryBuilder getVerticesByIndexedProperty(String key, Object value) {
return this.getVerticesByProperty(key, value);
}
@Override
public QueryBuilder getVerticesByProperty(String key, Object value) {
//this is because the index is registered as an Integer
if (value != null && value.getClass().equals(Long.class)) {
pipeline.has(key,new Integer(value.toString()));
} else {
pipeline.has(key, value);
}
stepIndex++;
return this;
}
@Override
public QueryBuilder getChildVerticesFromParent(String parentKey, String parentValue, String childType) {
pipeline.has(parentKey, parentValue).has(AAIProperties.NODE_TYPE, childType);
stepIndex++;
return this;
}
@Override
public QueryBuilder getTypedVerticesByMap(String type, LinkedHashMap<String, String> map) {
for (String key : map.keySet()) {
pipeline.has(key, map.get(key));
stepIndex++;
}
pipeline.has(AAIProperties.NODE_TYPE, type);
stepIndex++;
return this;
}
@Override
public QueryBuilder createDBQuery(Introspector obj) {
this.createKeyQuery(obj);
this.createContainerQuery(obj);
return this;
}
@Override
public QueryBuilder createKeyQuery(Introspector obj) {
List<String> keys = obj.getKeys();
Object val = null;
for (String key : keys) {
val = obj.getValue(key);
//this is because the index is registered as an Integer
if (val != null && val.getClass().equals(Long.class)) {
pipeline.has(key,new Integer(val.toString()));
} else {
pipeline.has(key, val);
}
stepIndex++;
}
return this;
}
@Override
public QueryBuilder createContainerQuery(Introspector obj) {
String type = obj.getChildDBName();
String abstractType = obj.getMetadata("abstract");
if (abstractType != null) {
String[] inheritors = obj.getMetadata("inheritors").split(",");
GremlinPipeline[] pipes = new GremlinPipeline[inheritors.length];
for (int i = 0; i < inheritors.length; i++) {
pipes[i] = new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, inheritors[i]);
}
pipeline.or(pipes);
} else {
pipeline.has(AAIProperties.NODE_TYPE, type);
}
stepIndex++;
return this;
}
@Override
public QueryBuilder createEdgeTraversal(Introspector parent, Introspector child) {
String parentName = parent.getDbName();
String childName = child.getDbName();
String isAbstractType = parent.getMetadata("abstract");
if ("true".equals(isAbstractType)) {
formBoundary();
pipeline.outE().has("isParent", true).inV();
} else {
if (parent.isContainer()) {
parentName = parent.getChildDBName();
}
if (child.isContainer()) {
childName = child.getChildDBName();
}
this.edgeQuery(parentName, childName);
}
return this;
}
@Override
public QueryBuilder createEdgeTraversal(Vertex parent, Introspector child) {
String nodeType = parent.getProperty(AAIProperties.NODE_TYPE);
this.edgeQuery(nodeType, child.getDbName());
return this;
}
private void edgeQuery(String outType, String inType) {
formBoundary();
EdgeRule rule;
String label = "";
try {
rule = edgeRules.getEdgeRule(outType, inType);
label = rule.getLabel();
} catch (AAIException e) {
// TODO Auto-generated catch block
}
pipeline = pipeline.out(label);
stepIndex++;
}
@Override
public Object getQuery() {
return this.pipeline;
}
@Override
public Object getParentQuery() {
GremlinPipeline parent = new GremlinPipeline();
if (parentStepIndex == 0) {
parentStepIndex = stepIndex;
}
List<Pipe> pipes = this.pipeline.getPipes();
//add two for the garbage identity pipes
for (int i = 0; i < parentStepIndex + 2; i++) {
parent.add(pipes.get(i));
}
return parent;
}
@Override
public void formBoundary() {
parentStepIndex = stepIndex;
}
@Override
public Vertex getStart() {
return this.start;
}
}
*/
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