created ResourcesBuilder

Author: Tale152

src/interconnected_node/fabric_layer/resources/ResourcesBuilder.ts

@@ -0,0 +1,70 @@
+import { throwIfNotNull } from '../../../common/ErrorHandling';
+import { DeviceType } from './hardware/DeviceType';
+import { Disk } from './hardware/Disk';
+import { Hardware } from './hardware/Hardware';
+import { Memory } from './hardware/Memory';
+import { Processor } from './hardware/Processor';
+import { ConnectionMedium } from './network/ConnectionMedium';
+import { Network } from './network/Network';
+import { NetworkMetrics } from './network/NetworkMetrics';
+import { Resources } from './Resources';
+import { OperatingSystem } from './software/OperatingSystem';
+import { Software } from './software/Software';
+import { SupportedTask } from './software/SupportedTask';
+
+export class ResourcesBuilder {
+  private hardware: Hardware | null = null;
+  private software: Software | null = null;
+  private network: Network | null = null;
+  private resources: Resources | null = null;
+
+  setHardware(
+    deviceType: DeviceType,
+    processor: Processor,
+    memory: Memory,
+    disk: Disk
+  ): ResourcesBuilder {
+    throwIfNotNull(this.hardware, 'Hardware is already set');
+    this.hardware = new Hardware(deviceType, memory, disk, processor);
+    return this;
+  }
+
+  setSoftware(
+    operatingSystem: OperatingSystem,
+    supportedTasks: Set<SupportedTask>
+  ): ResourcesBuilder {
+    throwIfNotNull(this.software, 'Software is already set');
+    this.software = new Software(supportedTasks, operatingSystem);
+    return this;
+  }
+
+  setNetwork(
+    connectionMedium: ConnectionMedium,
+    networkMetrics: NetworkMetrics
+  ): ResourcesBuilder {
+    throwIfNotNull(this.network, 'Network is already set');
+    this.network = new Network(connectionMedium, networkMetrics);
+    return this;
+  }
+
+  build(): Resources {
+    throwIfNotNull(
+      this.resources,
+      'A Resources instance has already been built'
+    );
+    if (
+      this.hardware !== null &&
+      this.software !== null &&
+      this.network !== null
+    ) {
+      this.resources = new Resources(
+        this.hardware,
+        this.software,
+        this.network
+      );
+      return this.resources;
+    } else {
+      throw new Error('Incorrect build process');
+    }
+  }
+}