Add tags to annotations

Author: ryantenney

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/CachedGauge.java

@@ -30,10 +30,15 @@
 public @interface CachedGauge {
 
     /**
-     * @return The name of the counter.
+     * @return The gauge's name.
      */
     String name() default "";
 
+    /**
+     * @return The gauge's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class.

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/Counted.java

@@ -31,10 +31,15 @@
 public @interface Counted {
 
     /**
-     * @return The name of the counter.
+     * @return The counter's name.
      */
     String name() default "";
 
+    /**
+     * @return The counter's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class. When annotating a class, this must be {@code false}.

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/ExceptionMetered.java

@@ -47,11 +47,16 @@
     String DEFAULT_NAME_SUFFIX = "exceptions";
 
     /**
-     * @return The name of the meter. If not specified, the meter will be given a name based on the method
+     * @return The meter's name. If not specified, the meter will be given a name based on the method
      * it decorates and the suffix "Exceptions".
      */
     String name() default "";
 
+    /**
+     * @return The meter's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class. When annotating a class, this must be {@code false}.
@@ -62,4 +67,5 @@
      * @return The type of exceptions that the meter will catch and count.
      */
     Class<? extends Throwable> cause() default Exception.class;
+
 }

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/Gauge.java

@@ -22,14 +22,21 @@
 @Retention(RetentionPolicy.RUNTIME)
 @Target({ ElementType.METHOD, ElementType.FIELD, ElementType.ANNOTATION_TYPE })
 public @interface Gauge {
+
     /**
      * @return The gauge's name.
      */
     String name() default "";
 
+    /**
+     * @return The gauge's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class.
      */
     boolean absolute() default false;
+
 }

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/Metered.java

@@ -26,14 +26,21 @@
 @Retention(RetentionPolicy.RUNTIME)
 @Target({ ElementType.TYPE, ElementType.CONSTRUCTOR, ElementType.METHOD, ElementType.ANNOTATION_TYPE })
 public @interface Metered {
+
     /**
-     * @return The name of the meter.
+     * @return The meter's name.
      */
     String name() default "";
 
+    /**
+     * @return The meter's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class. When annotating a class, this must be {@code false}.
      */
     boolean absolute() default false;
+
 }

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/Metric.java

@@ -50,10 +50,15 @@
 public @interface Metric {
 
     /**
-     * @return The name of the metric.
+     * @return The metric's name.
      */
     String name() default "";
 
+    /**
+     * @return The metric's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false},
      * use the given name relative to the annotated class.

metrics-annotation/src/main/java/io/dropwizard/metrics/annotation/Timed.java

@@ -26,14 +26,21 @@
 @Retention(RetentionPolicy.RUNTIME)
 @Target({ ElementType.TYPE, ElementType.CONSTRUCTOR, ElementType.METHOD, ElementType.ANNOTATION_TYPE })
 public @interface Timed {
+
     /**
-     * @return The name of the timer.
+     * @return The timer's name.
      */
     String name() default "";
 
+    /**
+     * @return The timer's tags.
+     */
+    String[] tags() default {};
+
     /**
      * @return If {@code true}, use the given name as an absolute name. If {@code false}, use the given name
      * relative to the annotated class. When annotating a class, this must be {@code false}.
      */
     boolean absolute() default false;
+
 }