Pre Merge pull request !335 from zhyoki/zh/get_memory_info

library/src/main/ets/ImageKnife.ets

@@ -380,4 +380,47 @@ export class ImageKnife {
   getEngineKeyImpl(): IEngineKey {
     return this.dispatcher.getEngineKeyImpl();
   }
+
+  // 获取磁盘和memory的情况
+  public getMemoryMaxSize(): number {
+    if (this.memoryCache instanceof MemoryLruCache) {
+      return this.memoryCache.maxMemory;
+    }
+    return -1;
+  }
+
+  public getCurrentMemoryCount(): number {
+    if (this.memoryCache instanceof MemoryLruCache) {
+      return this.memoryCache.size();
+    }
+    return -1;
+  }
+
+  public getCurrentMemorySize(): number {
+    if (this.memoryCache instanceof MemoryLruCache) {
+      return this.memoryCache.currentMemory;
+    }
+    return -1;
+  }
+
+  public getDiskMaxSize(): number {
+    if (this.fileCache) {
+      return this.fileCache.maxMemory;
+    }
+    return -1;
+  }
+
+  public getCurrentDiskCount(): number {
+    if (this.fileCache) {
+      return this.fileCache.size();
+    }
+    return -1;
+  }
+
+  public getCurrentDiskSize(): number {
+    if (this.fileCache) {
+      return this.fileCache.currentMemory;
+    }
+    return -1;
+  }
 }