Add blueprint wiring for netty configs

[controller.git] / opendaylight / config / netty-timer-config / src / main / java / org / opendaylight / controller / config / yang / netty / timer / HashedWheelTimerCloseable.java

diff --git a/opendaylight/config/netty-timer-config/src/main/java/org/opendaylight/controller/config/yang/netty/timer/HashedWheelTimerCloseable.java b/opendaylight/config/netty-timer-config/src/main/java/org/opendaylight/controller/config/yang/netty/timer/HashedWheelTimerCloseable.java
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index 0000000..4b23af1
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+++ b/opendaylight/config/netty-timer-config/src/main/java/org/opendaylight/controller/config/yang/netty/timer/HashedWheelTimerCloseable.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.config.yang.netty.timer;
+
+import io.netty.util.HashedWheelTimer;
+import io.netty.util.Timeout;
+import io.netty.util.Timer;
+import io.netty.util.TimerTask;
+import java.util.Set;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+import javax.annotation.Nullable;
+
+public final class HashedWheelTimerCloseable implements AutoCloseable, Timer {
+
+    private final Timer timer;
+
+    private HashedWheelTimerCloseable(Timer timer) {
+        this.timer = timer;
+    }
+
+    @Override
+    public void close() throws Exception {
+        stop();
+    }
+
+    @Override
+    public Timeout newTimeout(TimerTask task, long delay, TimeUnit unit) {
+        return this.timer.newTimeout(task, delay, unit);
+    }
+
+    @Override
+    public Set<Timeout> stop() {
+        return this.timer.stop();
+    }
+
+    public static HashedWheelTimerCloseable newInstance(@Nullable ThreadFactory threadFactory,
+            @Nullable Long duration, @Nullable Integer ticksPerWheel) {
+        TimeUnit unit = TimeUnit.MILLISECONDS;
+        if(!nullOrNonZero(duration) && threadFactory == null && nullOrNonZero(ticksPerWheel)) {
+            return new HashedWheelTimerCloseable(new HashedWheelTimer(duration, unit));
+        }
+
+        if(!nullOrNonZero(duration) && threadFactory == null && !nullOrNonZero(ticksPerWheel)) {
+            return new HashedWheelTimerCloseable(new HashedWheelTimer(duration, unit, ticksPerWheel));
+        }
+
+        if(nullOrNonZero(duration) && threadFactory != null && nullOrNonZero(ticksPerWheel)) {
+            return new HashedWheelTimerCloseable(new HashedWheelTimer(threadFactory));
+        }
+
+        if(!nullOrNonZero(duration) && threadFactory != null && nullOrNonZero(ticksPerWheel)) {
+            return new HashedWheelTimerCloseable(
+                    new HashedWheelTimer(threadFactory, duration, unit));
+        }
+
+        if(!nullOrNonZero(duration) && threadFactory != null && !nullOrNonZero(ticksPerWheel)) {
+            return new HashedWheelTimerCloseable(
+                    new HashedWheelTimer(threadFactory, duration, unit, ticksPerWheel));
+        }
+
+        return new HashedWheelTimerCloseable(new HashedWheelTimer());
+    }
+
+    private static boolean nullOrNonZero(Number n) {
+        return n == null || n.longValue() <= 0;
+    }
+}
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