stratos git commit: Adding PartitionContext class

[la...@apache.org]

Repository: stratos
Updated Branches:
  refs/heads/master cfbcf3d5b -> 113974d70


Adding PartitionContext class


Project: http://git-wip-us.apache.org/repos/asf/stratos/repo
Commit: http://git-wip-us.apache.org/repos/asf/stratos/commit/113974d7
Tree: http://git-wip-us.apache.org/repos/asf/stratos/tree/113974d7
Diff: http://git-wip-us.apache.org/repos/asf/stratos/diff/113974d7

Branch: refs/heads/master
Commit: 113974d7024d985142c01b7c945198692ff0627d
Parents: cfbcf3d
Author: Lahiru Sandaruwan <la...@apache.org>
Authored: Fri Nov 28 11:31:17 2014 +0530
Committer: Lahiru Sandaruwan <la...@apache.org>
Committed: Fri Nov 28 11:31:17 2014 +0530

----------------------------------------------------------------------
 .../stratos/autoscaler/PartitionContext.java    | 185 +++++++++++++++++++
 1 file changed, 185 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/stratos/blob/113974d7/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/PartitionContext.java
----------------------------------------------------------------------
diff --git a/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/PartitionContext.java b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/PartitionContext.java
new file mode 100644
index 0000000..a13f4e9
--- /dev/null
+++ b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/PartitionContext.java
@@ -0,0 +1,185 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.stratos.autoscaler;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.stratos.cloud.controller.stub.deployment.partition.Partition;
+import org.apache.stratos.messaging.domain.instance.context.InstanceContext;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This will keep track of partition level information.
+ */
+public abstract class PartitionContext {
+    private static final Log log = LogFactory.getLog(PartitionContext.class);
+    private final String id;
+    private int scaleDownRequestsCount = 0;
+    private float averageRequestsServedPerInstance;
+
+    private int minInstanceCount = 0, maxInstanceCount = 0;
+
+
+
+    int requiredInstanceCountBasedOnStats;
+    private int requiredInstanceCountBasedOnDependencies;
+
+    private Map<String, InstanceContext> instanceIdToInstanceContextMap;
+
+    private final Partition[] partitions;
+
+    //details required for partition selection algorithms
+    private int currentPartitionIndex;
+
+    public PartitionContext(String id, Partition[] partitions) {
+
+        super();
+        this.id = id;
+        if (partitions == null) {
+            this.partitions = new Partition[0];
+        } else {
+            this.partitions = Arrays.copyOf(partitions, partitions.length);
+        }
+        for (Partition partition : partitions) {
+            minInstanceCount += partition.getPartitionMin();
+            maxInstanceCount += partition.getPartitionMax();
+        }
+        requiredInstanceCountBasedOnStats = minInstanceCount;
+        requiredInstanceCountBasedOnDependencies = minInstanceCount;
+        instanceIdToInstanceContextMap = new HashMap<String, InstanceContext>();
+
+    }
+
+
+
+    public int getMinInstanceCount() {
+        return minInstanceCount;
+    }
+
+    public void setMinInstanceCount(int minInstanceCount) {
+        this.minInstanceCount = minInstanceCount;
+    }
+
+    public int getMaxInstanceCount() {
+        return maxInstanceCount;
+    }
+
+    public void setMaxInstanceCount(int maxInstanceCount) {
+        this.maxInstanceCount = maxInstanceCount;
+    }
+
+    public int hashCode() {
+
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((this.id == null) ? 0 : this.id.hashCode());
+        return result;
+
+    }
+
+    public boolean equals(final Object obj) {
+
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!(obj instanceof PartitionContext)) {
+            return false;
+        }
+        final PartitionContext other = (PartitionContext) obj;
+        if (this.id == null) {
+            if (this.id != null) {
+                return false;
+            }
+        } else if (!this.id.equals(this.id)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "NetworkPartitionContext [id=" + id + ", minInstanceCount=" +
+                minInstanceCount + ", maxInstanceCount=" + maxInstanceCount + "]";
+    }
+
+    public int getCurrentPartitionIndex() {
+        return currentPartitionIndex;
+    }
+
+    public void setCurrentPartitionIndex(int currentPartitionIndex) {
+        this.currentPartitionIndex = currentPartitionIndex;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public Partition[] getPartitions() {
+        return partitions;
+    }
+
+    public int getScaleDownRequestsCount() {
+        return scaleDownRequestsCount;
+    }
+
+    public void resetScaleDownRequestsCount() {
+        this.scaleDownRequestsCount = 0;
+    }
+
+    public void increaseScaleDownRequestsCount() {
+        this.scaleDownRequestsCount += 1;
+    }
+
+    public float getRequiredInstanceCountBasedOnStats() {
+        return requiredInstanceCountBasedOnStats;
+    }
+
+    public void setRequiredInstanceCountBasedOnStats(int requiredInstanceCountBasedOnStats) {
+        this.requiredInstanceCountBasedOnStats = requiredInstanceCountBasedOnStats;
+    }
+
+    public int getRequiredInstanceCountBasedOnDependencies() {
+        return requiredInstanceCountBasedOnDependencies;
+    }
+
+    public void setRequiredInstanceCountBasedOnDependencies(int requiredInstanceCountBasedOnDependencies) {
+        this.requiredInstanceCountBasedOnDependencies = requiredInstanceCountBasedOnDependencies;
+    }
+
+    public Map<String, InstanceContext> getInstanceIdToInstanceContextMap() {
+        return instanceIdToInstanceContextMap;
+    }
+
+    public void setInstanceIdToInstanceContextMap(Map<String, InstanceContext> instanceIdToInstanceContextMap) {
+        this.instanceIdToInstanceContextMap = instanceIdToInstanceContextMap;
+    }
+
+    public void addInstanceContext(InstanceContext context) {
+        this.instanceIdToInstanceContextMap.put(context.getInstanceId(), context);
+
+    }
+
+    public abstract int getCurrentElementCount();
+}