opt

libraries/mogo-map/src/main/java/com/mogo/map/MogoCoordinatesTransformer.java

@@ -0,0 +1,47 @@
+package com.mogo.map;
+
+public
+/**
+ * @author congtaowang
+ * @since 2020/12/17
+ *
+ * 描述
+ */
+class MogoCoordinatesTransformer implements CoordinatesTransformer {
+
+    private CoordinatesTransformer mDelegate;
+
+    private static volatile MogoCoordinatesTransformer sInstance;
+
+    private MogoCoordinatesTransformer(){
+        mDelegate = MogoMapDelegateFactory.getCoordinatesTransformer();
+    }
+
+    public static MogoCoordinatesTransformer getInstance(){
+        if( sInstance == null ){
+            synchronized( MogoCoordinatesTransformer.class ) {
+                if( sInstance == null ){
+                    sInstance = new MogoCoordinatesTransformer();
+                }
+            }
+        }
+        return sInstance;
+    }
+
+    public synchronized void release(){
+        sInstance = null;
+    }
+
+    private Object readResolve() {
+        // 阻止反序列化，必须实现 Serializable 接口
+        return sInstance;
+    }
+
+    @Override
+    public double[] transform( double lat, double lon ) {
+        if ( mDelegate != null ) {
+            return mDelegate.transform( lat, lon );
+        }
+        return null;
+    }
+}

libraries/mogo-map/src/main/java/com/mogo/map/MogoMapDelegateFactory.java

@@ -133,4 +133,8 @@ class MogoMapDelegateFactory {
     public static IMogoTrafficSearch getTrafficSearch() {
         return getApiBuilder().getTrafficSearch();
     }
+
+    public static CoordinatesTransformer getCoordinatesTransformer(){
+        return getApiBuilder().getCoordinatesTransformer();
+    }
 }