1 files changed, 195 insertions, 0 deletions
diff --git a/java/com/google/gerrit/metrics/DisabledMetricMaker.java b/java/com/google/gerrit/metrics/DisabledMetricMaker.java
new file mode 100644
index 0000000000..bc88a60d6f
--- /dev/null
+++ b/java/com/google/gerrit/metrics/DisabledMetricMaker.java
@@ -0,0 +1,195 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.metrics;
+
+import com.google.gerrit.extensions.registration.RegistrationHandle;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+/** Exports no metrics, useful for running batch programs. */
+public class DisabledMetricMaker extends MetricMaker {
+  @Override
+  public Counter0 newCounter(String name, Description desc) {
+    return new Counter0() {
+      @Override
+      public void incrementBy(long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1> Counter1<F1> newCounter(String name, Description desc, Field<F1> field1) {
+    return new Counter1<F1>() {
+      @Override
+      public void incrementBy(F1 field1, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2> Counter2<F1, F2> newCounter(
+      String name, Description desc, Field<F1> field1, Field<F2> field2) {
+    return new Counter2<F1, F2>() {
+      @Override
+      public void incrementBy(F1 field1, F2 field2, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2, F3> Counter3<F1, F2, F3> newCounter(
+      String name, Description desc, Field<F1> field1, Field<F2> field2, Field<F3> field3) {
+    return new Counter3<F1, F2, F3>() {
+      @Override
+      public void incrementBy(F1 field1, F2 field2, F3 field3, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public Timer0 newTimer(String name, Description desc) {
+    return new Timer0(name) {
+      @Override
+      protected void doRecord(long value, TimeUnit unit) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1> Timer1<F1> newTimer(String name, Description desc, Field<F1> field1) {
+    return new Timer1<F1>(name) {
+      @Override
+      protected void doRecord(F1 field1, long value, TimeUnit unit) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2> Timer2<F1, F2> newTimer(
+      String name, Description desc, Field<F1> field1, Field<F2> field2) {
+    return new Timer2<F1, F2>(name) {
+      @Override
+      protected void doRecord(F1 field1, F2 field2, long value, TimeUnit unit) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2, F3> Timer3<F1, F2, F3> newTimer(
+      String name, Description desc, Field<F1> field1, Field<F2> field2, Field<F3> field3) {
+    return new Timer3<F1, F2, F3>(name) {
+      @Override
+      protected void doRecord(F1 field1, F2 field2, F3 field3, long value, TimeUnit unit) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public Histogram0 newHistogram(String name, Description desc) {
+    return new Histogram0() {
+      @Override
+      public void record(long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1> Histogram1<F1> newHistogram(String name, Description desc, Field<F1> field1) {
+    return new Histogram1<F1>() {
+      @Override
+      public void record(F1 field1, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2> Histogram2<F1, F2> newHistogram(
+      String name, Description desc, Field<F1> field1, Field<F2> field2) {
+    return new Histogram2<F1, F2>() {
+      @Override
+      public void record(F1 field1, F2 field2, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, F2, F3> Histogram3<F1, F2, F3> newHistogram(
+      String name, Description desc, Field<F1> field1, Field<F2> field2, Field<F3> field3) {
+    return new Histogram3<F1, F2, F3>() {
+      @Override
+      public void record(F1 field1, F2 field2, F3 field3, long value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <V> CallbackMetric0<V> newCallbackMetric(
+      String name, Class<V> valueClass, Description desc) {
+    return new CallbackMetric0<V>() {
+      @Override
+      public void set(V value) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public <F1, V> CallbackMetric1<F1, V> newCallbackMetric(
+      String name, Class<V> valueClass, Description desc, Field<F1> field1) {
+    return new CallbackMetric1<F1, V>() {
+      @Override
+      public void set(F1 field1, V value) {}
+
+      @Override
+      public void forceCreate(F1 field1) {}
+
+      @Override
+      public void remove() {}
+    };
+  }
+
+  @Override
+  public RegistrationHandle newTrigger(Set<CallbackMetric<?>> metrics, Runnable trigger) {
+    return new RegistrationHandle() {
+      @Override
+      public void remove() {}
+    };
+  }
+}