BREAKING CHANGE(core): refactored ObjectMap and introduced concat feature

ts/lik.fastmap.ts

@@ -10,8 +10,14 @@ export class FastMap<T> {
     return this.mapObject[keyArg] ? false : true;
   }
 
-  public addToMap(keyArg: string, objectArg: T): boolean {
-    if (this.isUniqueKey(keyArg)) {
+  public addToMap(
+    keyArg: string,
+    objectArg: T,
+    optionsArg?: {
+      force: boolean;
+    }
+  ): boolean {
+    if (this.isUniqueKey(keyArg) || (optionsArg && optionsArg.force)) {
       this.mapObject[keyArg] = objectArg;
       return true;
     } else {
@@ -32,9 +38,9 @@ export class FastMap<T> {
   public getKeys() {
     const keys: string[] = [];
     for (const keyArg in this.mapObject) {
-       if (this.mapObject[keyArg]) {
-         keys.push(keyArg);
-       }
+      if (this.mapObject[keyArg]) {
+        keys.push(keyArg);
+      }
     }
     return keys;
   }
@@ -42,4 +48,35 @@ export class FastMap<T> {
   public clean() {
     this.mapObject = {};
   }
+
+  /**
+   * returns a new Objectmap that includes
+   */
+  public concat(fastMapArg: FastMap<T>) {
+    const concatedFastmap = new FastMap<T>();
+    for (const key of this.getKeys()) {
+      concatedFastmap.addToMap(key, this.getByKey(key));
+    }
+
+    for (const key of fastMapArg.getKeys()) {
+      concatedFastmap.addToMap(key, fastMapArg.getByKey(key), {
+        force: true
+      });
+    }
+
+    return concatedFastmap;
+  }
+
+  /**
+   * tries to merge another Objectmap
+   * Note: uniqueKeyCollisions will cause overwrite
+   * @param objectMapArg
+   */
+  public addAllFromOther(fastMapArg: FastMap<T>) {
+    for (const key of fastMapArg.getKeys()) {
+      this.addToMap(key, fastMapArg.getByKey(key), {
+        force: true
+      });
+    }
+  }
 }

ts/lik.interestmap.ts

@@ -1,5 +1,5 @@
 import * as plugins from './lik.plugins';
-import { Objectmap } from './lik.objectmap';
+import { ObjectMap } from './lik.objectmap';
 
 import { Observable } from 'rxjs';
 
@@ -11,7 +11,7 @@ export class InterestMap<DTInterestId, DTInterestFullfillment> {
   /**
    * stores interests that are currently fullfilled by the cache
    */
-  private interestObjectMap = new Objectmap<Interest<DTInterestId, DTInterestFullfillment>>();
+  private interestObjectMap = new ObjectMap<Interest<DTInterestId, DTInterestFullfillment>>();
 
   /**
    * a function to compare interests

ts/lik.looptracker.ts

@@ -1,9 +1,9 @@
 import * as plugins from './lik.plugins';
 
-import { Objectmap } from './lik.objectmap';
+import { ObjectMap } from './lik.objectmap';
 
 export class LoopTracker<T> {
-  referenceObjectMap = new Objectmap<any>();
+  referenceObjectMap = new ObjectMap<any>();
   constructor() {
     // nothing here
   }

ts/lik.objectmap.ts

@@ -12,7 +12,7 @@ export interface IObjectmapFindFunction<T> {
 /**
  * allows keeping track of objects
  */
-export class Objectmap<T> {
+export class ObjectMap<T> {
   private fastMap = new FastMap<T>();
 
   // events
@@ -186,4 +186,23 @@ export class Objectmap<T> {
       this.fastMap.removeFromMap(keyArg);
     }
   }
+
+  /**
+   * returns a new Objectmap that includes 
+   */
+  public concat(objectMapArg: ObjectMap<T>) {
+    const concattedObjectMap = new ObjectMap<T>();
+    concattedObjectMap.fastMap.addAllFromOther(this.fastMap);
+    concattedObjectMap.fastMap.addAllFromOther(objectMapArg.fastMap);
+    return concattedObjectMap;
+  }
+
+  /**
+   * tries to merge another Objectmap
+   * Note: uniqueKeyCollisions will cause overwrite
+   * @param objectMapArg
+   */
+  public addAllFromOther(objectMapArg: ObjectMap<T>) {
+    this.fastMap.addAllFromOther(objectMapArg.fastMap);
+  }
 }