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https://issues.apache.org/jira/browse/STORM-1616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15191189#comment-15191189
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ASF GitHub Bot commented on STORM-1616:
---------------------------------------
Github user knusbaum commented on a diff in the pull request:
https://github.com/apache/storm/pull/1199#discussion_r55854925
--- Diff:
storm-core/src/jvm/org/apache/storm/trident/operation/DefaultResourceDeclarer.java
---
@@ -0,0 +1,62 @@
+/**
+ * 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.storm.trident.operation;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.apache.storm.Config;
+import org.apache.storm.utils.Utils;
+import org.apache.storm.topology.ResourceDeclarer;
+
+public class DefaultResourceDeclarer implements ResourceDeclarer,
ITridentResource {
+
+ private Map<String, Number> resources = new HashMap<>();
+ private Map conf = Utils.readStormConfig();
+
+ @Override
+ public DefaultResourceDeclarer setMemoryLoad(Number onHeap) {
+ return setMemoryLoad(onHeap,
Utils.getDouble(conf.get(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB)));
+ }
+
+ @Override
+ public DefaultResourceDeclarer setMemoryLoad(Number onHeap, Number
offHeap) {
+ if (onHeap != null) {
+ onHeap = onHeap.doubleValue();
+
resources.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, onHeap);
+ }
+ if (offHeap!=null) {
+ offHeap = offHeap.doubleValue();
+
resources.put(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB, offHeap);
+ }
+ return this;
+ }
+
+ @Override
+ public DefaultResourceDeclarer setCPULoad(Number amount) {
+ if(amount != null) {
+ amount = amount.doubleValue();
+ resources.put(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT,
amount);
+ }
+ return this;
+ }
+
+ @Override
+ public Map<String, Number> getResources() {
--- End diff --
it provides an interface to get the resources back out of something
extending DefaultResourceDeclarer. This is used in TridentTopology.
> Add RAS API for Trident
> -----------------------
>
> Key: STORM-1616
> URL: https://issues.apache.org/jira/browse/STORM-1616
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Kyle Nusbaum
> Assignee: Kyle Nusbaum
>
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