Resolve "Get drugs by target"

Closes #163 (closed)

frontend-js/src/main/js/map/data/Chemical.js

 "use strict";
 
 var Annotation = require("./Annotation");
+
 var Target = require("./Target");
+var TargettingStructure = require("./TargettingStructure");
 
 function Chemical(javaObject) {
+  TargettingStructure.call(this, javaObject);
   if (javaObject !== undefined) {
-    this.setName(javaObject.name);
     this.setReferences(javaObject.references);
     this.setDescription(javaObject.description);
     this.setSynonyms(javaObject.synonyms);
-    this.setId(javaObject.id);
-    this.setTargets(javaObject.targets);
 
     this.setDirectEvidence(javaObject.directEvidence);
     this.setDirectEvidenceReferences(javaObject.directEvidenceReferences);
   }
 }
 
+Chemical.prototype = Object.create(TargettingStructure.prototype);
+Chemical.prototype.constructor = Chemical;
+
 Chemical.prototype.setDirectEvidence = function(directeEvidence) {
   this._directeEvidence = directeEvidence;
 };
@@ -63,22 +66,6 @@ Chemical.prototype.getSynonyms = function() {
   return this._synonyms;
 };
 
-Chemical.prototype.setName = function(name) {
-  this._name = name;
-};
-
-Chemical.prototype.getName = function() {
-  return this._name;
-};
-
-Chemical.prototype.setId = function(id) {
-  this._id = id;
-};
-
-Chemical.prototype.getId = function() {
-  return this._id;
-};
-
 Chemical.prototype.setDescription = function(description) {
   this._description = description;
 };
@@ -87,17 +74,6 @@ Chemical.prototype.getDescription = function() {
   return this._description;
 };
 
-Chemical.prototype.setTargets = function(targets) {
-  this._targets = [];
-  for (var i = 0; i < targets.length; i++) {
-    this._targets.push(new Target(targets[i]));
-  }
-};
-
-Chemical.prototype.getTargets = function() {
-  return this._targets;
-};
-
 Chemical.prototype.setBloodBrainBarrier = function(bloodBrainBarrier) {
   this._bloodBrainBarrier = bloodBrainBarrier;
 };