Add missing @OverRide to classes (apache#1553)

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/configurator/AbstractConfigurator.java

@@ -44,10 +44,12 @@ public static void main(String[] args) {
         System.out.println(URL.encode("timeout=100"));
     }
 
+    @Override
     public URL getUrl() {
         return configuratorUrl;
     }
 
+    @Override
     public URL configure(URL url) {
         if (configuratorUrl == null || configuratorUrl.getHost() == null
                 || url == null || url.getHost() == null) {
@@ -107,6 +109,7 @@ private URL configureIfMatch(String host, URL url) {
      * @param o
      * @return
      */
+    @Override
     public int compareTo(Configurator o) {
         if (o == null) {
             return -1;

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/configurator/absent/AbsentConfigurator.java

@@ -29,6 +29,7 @@ public AbsentConfigurator(URL url) {
         super(url);
     }
 
+    @Override
     public URL doConfigure(URL currentUrl, URL configUrl) {
         return currentUrl.addParametersIfAbsent(configUrl.getParameters());
     }

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/configurator/absent/AbsentConfiguratorFactory.java

@@ -26,6 +26,7 @@
  */
 public class AbsentConfiguratorFactory implements ConfiguratorFactory {
 
+    @Override
     public Configurator getConfigurator(URL url) {
         return new AbsentConfigurator(url);
     }

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/configurator/override/OverrideConfigurator.java

@@ -29,6 +29,7 @@ public OverrideConfigurator(URL url) {
         super(url);
     }
 
+    @Override
     public URL doConfigure(URL currentUrl, URL configUrl) {
         return currentUrl.addParameters(configUrl.getParameters());
     }

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/configurator/override/OverrideConfiguratorFactory.java

@@ -26,6 +26,7 @@
  */
 public class OverrideConfiguratorFactory implements ConfiguratorFactory {
 
+    @Override
     public Configurator getConfigurator(URL url) {
         return new OverrideConfigurator(url);
     }

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/directory/AbstractDirectory.java

@@ -66,6 +66,7 @@ public AbstractDirectory(URL url, URL consumerUrl, List<Router> routers) {
         setRouters(routers);
     }
 
+    @Override
     public List<Invoker<T>> list(Invocation invocation) throws RpcException {
         if (destroyed) {
             throw new RpcException("Directory already destroyed .url: " + getUrl());
@@ -86,6 +87,7 @@ public List<Invoker<T>> list(Invocation invocation) throws RpcException {
         return invokers;
     }
 
+    @Override
     public URL getUrl() {
         return url;
     }
@@ -121,10 +123,11 @@ public boolean isDestroyed() {
         return destroyed;
     }
 
+    @Override
     public void destroy() {
         destroyed = true;
     }
 
     protected abstract List<Invoker<T>> doList(Invocation invocation) throws RpcException;
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/directory/StaticDirectory.java

@@ -51,10 +51,12 @@ public StaticDirectory(URL url, List<Invoker<T>> invokers, List<Router> routers)
         this.invokers = invokers;
     }
 
+    @Override
     public Class<T> getInterface() {
         return invokers.get(0).getInterface();
     }
 
+    @Override
     public boolean isAvailable() {
         if (isDestroyed()) {
             return false;
@@ -67,6 +69,7 @@ public boolean isAvailable() {
         return false;
     }
 
+    @Override
     public void destroy() {
         if (isDestroyed()) {
             return;
@@ -84,4 +87,4 @@ protected List<Invoker<T>> doList(Invocation invocation) throws RpcException {
         return invokers;
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/loadbalance/AbstractLoadBalance.java

@@ -35,6 +35,7 @@ static int calculateWarmupWeight(int uptime, int warmup, int weight) {
         return ww < 1 ? 1 : (ww > weight ? weight : ww);
     }
 
+    @Override
     public <T> Invoker<T> select(List<Invoker<T>> invokers, URL url, Invocation invocation) {
         if (invokers == null || invokers.isEmpty())
             return null;
@@ -60,4 +61,4 @@ protected int getWeight(Invoker<?> invoker, Invocation invocation) {
         return weight;
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/loadbalance/LeastActiveLoadBalance.java

@@ -35,6 +35,7 @@ public class LeastActiveLoadBalance extends AbstractLoadBalance {
 
     private final Random random = new Random();
 
+    @Override
     protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation invocation) {
         int length = invokers.size(); // Number of invokers
         int leastActive = -1; // The least active value of all invokers
@@ -83,4 +84,4 @@ protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation
         // If all invokers have the same weight value or totalWeight=0, return evenly.
         return invokers.get(leastIndexs[random.nextInt(leastCount)]);
     }
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/loadbalance/RandomLoadBalance.java

@@ -33,6 +33,7 @@ public class RandomLoadBalance extends AbstractLoadBalance {
 
     private final Random random = new Random();
 
+    @Override
     protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation invocation) {
         int length = invokers.size(); // Number of invokers
         int totalWeight = 0; // The sum of weights
@@ -60,4 +61,4 @@ protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation
         return invokers.get(random.nextInt(length));
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/loadbalance/RoundRobinLoadBalance.java

@@ -37,6 +37,7 @@ public class RoundRobinLoadBalance extends AbstractLoadBalance {
 
     private final ConcurrentMap<String, AtomicPositiveInteger> sequences = new ConcurrentHashMap<String, AtomicPositiveInteger>();
 
+    @Override
     protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation invocation) {
         String key = invokers.get(0).getUrl().getServiceKey() + "." + invocation.getMethodName();
         int length = invokers.size(); // Number of invokers
@@ -99,4 +100,4 @@ public void decrement() {
         }
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java

@@ -24,6 +24,7 @@ public class ArrayMerger implements Merger<Object[]> {
 
     public static final ArrayMerger INSTANCE = new ArrayMerger();
 
+    @Override
     public Object[] merge(Object[]... others) {
         if (others.length == 0) {
             return null;

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/BooleanArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class BooleanArrayMerger implements Merger<boolean[]> {
 
+    @Override
     public boolean[] merge(boolean[]... items) {
         int totalLen = 0;
         for (boolean[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ByteArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class ByteArrayMerger implements Merger<byte[]> {
 
+    @Override
     public byte[] merge(byte[]... items) {
         int total = 0;
         for (byte[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/CharArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class CharArrayMerger implements Merger<char[]> {
 
+    @Override
     public char[] merge(char[]... items) {
         int total = 0;
         for (char[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/DoubleArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class DoubleArrayMerger implements Merger<double[]> {
 
+    @Override
     public double[] merge(double[]... items) {
         int total = 0;
         for (double[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/FloatArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class FloatArrayMerger implements Merger<float[]> {
 
+    @Override
     public float[] merge(float[]... items) {
         int total = 0;
         for (float[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/IntArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class IntArrayMerger implements Merger<int[]> {
 
+    @Override
     public int[] merge(int[]... items) {
         int totalLen = 0;
         for (int[] item : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ListMerger.java

@@ -24,6 +24,7 @@
 
 public class ListMerger implements Merger<List<?>> {
 
+    @Override
     public List<Object> merge(List<?>... items) {
         List<Object> result = new ArrayList<Object>();
         for (List<?> item : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/LongArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class LongArrayMerger implements Merger<long[]> {
 
+    @Override
     public long[] merge(long[]... items) {
         int total = 0;
         for (long[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/MapMerger.java

@@ -23,6 +23,7 @@
 
 public class MapMerger implements Merger<Map<?, ?>> {
 
+    @Override
     public Map<?, ?> merge(Map<?, ?>... items) {
         if (items.length == 0) {
             return null;

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/SetMerger.java

@@ -23,6 +23,7 @@
 
 public class SetMerger implements Merger<Set<?>> {
 
+    @Override
     public Set<Object> merge(Set<?>... items) {
 
         Set<Object> result = new HashSet<Object>();

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ShortArrayMerger.java

@@ -21,6 +21,7 @@
 
 public class ShortArrayMerger implements Merger<short[]> {
 
+    @Override
     public short[] merge(short[]... items) {
         int total = 0;
         for (short[] array : items) {

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/MockInvokersSelector.java

@@ -33,6 +33,7 @@
  */
 public class MockInvokersSelector implements Router {
 
+    @Override
     public <T> List<Invoker<T>> route(final List<Invoker<T>> invokers,
                                       URL url, final Invocation invocation) throws RpcException {
         if (invocation.getAttachments() == null) {
@@ -86,10 +87,12 @@ private <T> boolean hasMockProviders(final List<Invoker<T>> invokers) {
         return hasMockProvider;
     }
 
+    @Override
     public URL getUrl() {
         return null;
     }
 
+    @Override
     public int compareTo(Router o) {
         return 1;
     }

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/condition/ConditionRouter.java

@@ -142,6 +142,7 @@ else if (",".equals(separator)) { // Should be seperateed by ','
         return condition;
     }
 
+    @Override
     public <T> List<Invoker<T>> route(List<Invoker<T>> invokers, URL url, Invocation invocation)
             throws RpcException {
         if (invokers == null || invokers.isEmpty()) {
@@ -173,10 +174,12 @@ public <T> List<Invoker<T>> route(List<Invoker<T>> invokers, URL url, Invocation
         return invokers;
     }
 
+    @Override
     public URL getUrl() {
         return url;
     }
 
+    @Override
     public int compareTo(Router o) {
         if (o == null || o.getClass() != ConditionRouter.class) {
             return 1;
@@ -266,4 +269,4 @@ private boolean isMatch(String value, URL param) {
             return false;
         }
     }
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/condition/ConditionRouterFactory.java

@@ -28,8 +28,9 @@ public class ConditionRouterFactory implements RouterFactory {
 
     public static final String NAME = "condition";
 
+    @Override
     public Router getRouter(URL url) {
         return new ConditionRouter(url);
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/file/FileRouterFactory.java

@@ -37,6 +37,7 @@ public void setRouterFactory(RouterFactory routerFactory) {
         this.routerFactory = routerFactory;
     }
 
+    @Override
     public Router getRouter(URL url) {
         try {
             // Transform File URL into Script Route URL, and Load
@@ -61,4 +62,4 @@ public Router getRouter(URL url) {
         }
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/script/ScriptRouter.java

@@ -79,10 +79,12 @@ public ScriptRouter(URL url) {
         this.rule = rule;
     }
 
+    @Override
     public URL getUrl() {
         return url;
     }
 
+    @Override
     @SuppressWarnings("unchecked")
     public <T> List<Invoker<T>> route(List<Invoker<T>> invokers, URL url, Invocation invocation) throws RpcException {
         try {
@@ -112,6 +114,7 @@ public <T> List<Invoker<T>> route(List<Invoker<T>> invokers, URL url, Invocation
         }
     }
 
+    @Override
     public int compareTo(Router o) {
         if (o == null || o.getClass() != ScriptRouter.class) {
             return 1;
@@ -120,4 +123,4 @@ public int compareTo(Router o) {
         return this.priority == c.priority ? rule.compareTo(c.rule) : (this.priority > c.priority ? 1 : -1);
     }
 
-}
+}

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/script/ScriptRouterFactory.java

@@ -37,8 +37,9 @@ public class ScriptRouterFactory implements RouterFactory {
 
     public static final String NAME = "script";
 
+    @Override
     public Router getRouter(URL url) {
         return new ScriptRouter(url);
     }
 
-}
+}