Improve segmented journal actor metrics

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / OperationLimiter.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/OperationLimiter.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/OperationLimiter.java
deleted file mode 100644 (file)
index ad26d0a..0000000
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/OperationLimiter.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2015 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.cluster.datastore;
-
-import akka.dispatch.OnComplete;
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
-import java.util.concurrent.Semaphore;
-import java.util.concurrent.TimeUnit;
-import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
-import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Class for limiting operations. It extends {@link OnComplete}, so we can plug it seamlessly
- * into akka to release permits as futures complete.
- */
-public class OperationLimiter extends OnComplete<Object> {
-    private static final Logger LOG = LoggerFactory.getLogger(OperationLimiter.class);
-    private final TransactionIdentifier identifier;
-    private final long acquireTimeout;
-    private final Semaphore semaphore;
-    private final int maxPermits;
-
-    OperationLimiter(final TransactionIdentifier identifier, final int maxPermits, final long acquireTimeoutSeconds) {
-        this.identifier = Preconditions.checkNotNull(identifier);
-
-        Preconditions.checkArgument(acquireTimeoutSeconds >= 0);
-        this.acquireTimeout = TimeUnit.SECONDS.toNanos(acquireTimeoutSeconds);
-
-        Preconditions.checkArgument(maxPermits >= 0);
-        this.maxPermits = maxPermits;
-        this.semaphore = new Semaphore(maxPermits);
-    }
-
-    void acquire() {
-        acquire(1);
-    }
-
-    void acquire(final int acquirePermits) {
-        try {
-            if (!semaphore.tryAcquire(acquirePermits, acquireTimeout, TimeUnit.NANOSECONDS)) {
-                LOG.warn("Failed to acquire operation permit for transaction {}", identifier);
-            }
-        } catch (InterruptedException e) {
-            if (LOG.isDebugEnabled()) {
-                LOG.debug("Interrupted when trying to acquire operation permit for transaction {}", identifier, e);
-            } else {
-                LOG.warn("Interrupted when trying to acquire operation permit for transaction {}", identifier);
-            }
-        }
-    }
-
-    @Override
-    public void onComplete(final Throwable throwable, final Object message) {
-        if (message instanceof BatchedModificationsReply) {
-            this.semaphore.release(((BatchedModificationsReply)message).getNumBatched());
-        } else {
-            this.semaphore.release();
-        }
-    }
-
-    public TransactionIdentifier getIdentifier() {
-        return identifier;
-    }
-
-    @VisibleForTesting
-    int availablePermits(){
-        return semaphore.availablePermits();
-    }
-
-    /**
-     * Release all the permits
-     */
-    public void releaseAll() {
-        this.semaphore.release(maxPermits-availablePermits());
-    }
-}