[jboss-cvs] JBossAS SVN: r77330 - in trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load: metric and 1 other directories.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Thu Aug 21 17:31:20 EDT 2008
Author: pferraro
Date: 2008-08-21 17:31:20 -0400 (Thu, 21 Aug 2008)
New Revision: 77330
Added:
trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProviderMBean.java
trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/LoadMetricMBean.java
Modified:
trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProvider.java
trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/impl/AbstractLoadMetric.java
Log:
Add mbean interfaces to expose parameters used to tweak load balancing at runtime.
Modified: trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProvider.java
===================================================================
--- trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProvider.java 2008-08-21 21:30:16 UTC (rev 77329)
+++ trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProvider.java 2008-08-21 21:31:20 UTC (rev 77330)
@@ -38,7 +38,7 @@
*
* @author Paul Ferraro
*/
-public class DynamicLoadBalanceFactorProvider implements LoadBalanceFactorProvider, LoadMetricSourceRegistration
+public class DynamicLoadBalanceFactorProvider implements LoadBalanceFactorProvider, LoadMetricSourceRegistration, DynamicLoadBalanceFactorProviderMBean
{
private final Logger log = Logger.getLogger(this.getClass());
private final Collection<LoadMetricSource> sources = new ArrayList<LoadMetricSource>();
@@ -162,9 +162,8 @@
}
/**
- * Get the decayFactor.
- *
- * @return the decayFactor.
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.impl.DynamicLoadBalanceFactorProviderMBean#getDecayFactor()
*/
public int getDecayFactor()
{
@@ -172,9 +171,8 @@
}
/**
- * Set the exponential decay factor applied to historic load values.
- *
- * @param decayFactor The decayFactor to set.
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.impl.DynamicLoadBalanceFactorProviderMBean#setDecayFactor(int)
*/
public void setDecayFactor(int decayFactor)
{
@@ -187,9 +185,8 @@
}
/**
- * Get the history.
- *
- * @return the history.
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.impl.DynamicLoadBalanceFactorProviderMBean#getHistory()
*/
public int getHistory()
{
@@ -197,9 +194,8 @@
}
/**
- * Set the number of historic load values to consider when calculating the current load factor.
- *
- * @param history The history to set.
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.impl.DynamicLoadBalanceFactorProviderMBean#setHistory(int)
*/
public void setHistory(int history)
{
Added: trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProviderMBean.java
===================================================================
--- trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProviderMBean.java (rev 0)
+++ trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/impl/DynamicLoadBalanceFactorProviderMBean.java 2008-08-21 21:31:20 UTC (rev 77330)
@@ -0,0 +1,55 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.web.tomcat.service.modcluster.load.impl;
+
+/**
+ * @author Paul Ferraro
+ *
+ */
+public interface DynamicLoadBalanceFactorProviderMBean
+{
+ /**
+ * Returns the history count.
+ * @return a positive integer
+ */
+ int getHistory();
+
+ /**
+ * Sets the number of historical load values to consider when calculating the load balance factor.
+ * @param history
+ * @throws IllegalArgumentException if specified value is not a positive number
+ */
+ void setHistory(int history);
+
+ /**
+ * Returns the exponential decay factor.
+ * @return a positive integer
+ */
+ int getDecayFactor();
+
+ /**
+ * Sets the exponential decay factor to be applied to historical load values.
+ * @param decayFactor the new decay factor
+ * @throws IllegalArgumentException if specified value is not a positive number
+ */
+ void setDecayFactor(int decayFactor);
+}
Added: trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/LoadMetricMBean.java
===================================================================
--- trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/LoadMetricMBean.java (rev 0)
+++ trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/LoadMetricMBean.java 2008-08-21 21:31:20 UTC (rev 77330)
@@ -0,0 +1,34 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.web.tomcat.service.modcluster.load.metric;
+
+
+/**
+ * @author Paul Ferraro
+ *
+ */
+public interface LoadMetricMBean extends LoadMetric
+{
+ void setWeight(int weight);
+
+ void setCapacity(double capacity);
+}
Modified: trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/impl/AbstractLoadMetric.java
===================================================================
--- trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/impl/AbstractLoadMetric.java 2008-08-21 21:30:16 UTC (rev 77329)
+++ trunk/tomcat/src/main/org/jboss/web/tomcat/service/modcluster/load/metric/impl/AbstractLoadMetric.java 2008-08-21 21:31:20 UTC (rev 77330)
@@ -22,13 +22,14 @@
package org.jboss.web.tomcat.service.modcluster.load.metric.impl;
import org.jboss.web.tomcat.service.modcluster.load.metric.LoadMetric;
+import org.jboss.web.tomcat.service.modcluster.load.metric.LoadMetricMBean;
/**
* Abstract {@link LoadMetric} implementation with basic mutators/accessors.
*
* @author Paul Ferraro
*/
-public abstract class AbstractLoadMetric implements LoadMetric
+public abstract class AbstractLoadMetric implements LoadMetricMBean
{
private volatile int weight = 0;
private volatile double capacity = 1;
@@ -42,6 +43,10 @@
return this.weight;
}
+ /**
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.metric.LoadMetricMBean#setWeight(int)
+ */
public void setWeight(int weight)
{
this.weight = weight;
@@ -56,6 +61,10 @@
return this.capacity;
}
+ /**
+ * @{inheritDoc}
+ * @see org.jboss.web.tomcat.service.modcluster.load.metric.LoadMetricMBean#setCapacity(double)
+ */
public void setCapacity(double capacity)
{
if (capacity <= 0)
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