/*-
 * ============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;
	}
	
}
*/