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https://issues.apache.org/jira/browse/GIRAPH-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418479#comment-13418479
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Eli Reisman commented on GIRAPH-214:
------------------------------------
I have let this go for a while as I gained knowledge of the codebase working on
issues more related to my internship. Coming back, I see bit more where the
issues are. But with all the changes in the code and the changes with upcoming
API redesign etc. this must be super stale. If its OK, I would like to let this
lie fallow a bit longer until some of that code is in, then try to get this
patch up to date at that point when some stuff it touches have stabilized. Is
that OK? Thanks for everyone's patience.
> GiraphJob should have configuration split out of it to be cleaner (GiraphConf)
> ------------------------------------------------------------------------------
>
> Key: GIRAPH-214
> URL: https://issues.apache.org/jira/browse/GIRAPH-214
> Project: Giraph
> Issue Type: Bug
> Reporter: Avery Ching
> Assignee: Eli Reisman
> Priority: Minor
> Attachments: GIRAPH-214-1.patch, GIRAPH-214-2.patch,
> GIRAPH-214-3.patch, GIRAPH-214-4.patch
>
>
> Currently all the configuration for Giraph is part of GiraphJob, making
> things messy for GiraphJob.
> It would be better if we added a GiraphConf (similar to Hive) that is
> responsible for handling configuration of the Job.
> i.e.
> public class GiraphJob extends Configuration....
> To simplify config, we should make get/set methods for as many of the
> parameters as possible.
> We are targeting configuration such as
> /**
> * Set the vertex class (required)
> *
> * @param vertexClass Runs vertex computation
> */
> public final void setVertexClass(Class<?> vertexClass) {
> getConfiguration().setClass(VERTEX_CLASS, vertexClass, BasicVertex.class);
> }
> /**
> * Set the vertex input format class (required)
> *
> * @param vertexInputFormatClass Determines how graph is input
> */
> public final void setVertexInputFormatClass(
> Class<?> vertexInputFormatClass) {
> getConfiguration().setClass(VERTEX_INPUT_FORMAT_CLASS,
> vertexInputFormatClass,
> VertexInputFormat.class);
> }
> /**
> * Set the vertex output format class (optional)
> *
> * @param vertexOutputFormatClass Determines how graph is output
> */
> public final void setVertexOutputFormatClass(
> Class<?> vertexOutputFormatClass) {
> getConfiguration().setClass(VERTEX_OUTPUT_FORMAT_CLASS,
> vertexOutputFormatClass,
> VertexOutputFormat.class);
> }
> /**
> * Set the vertex combiner class (optional)
> *
> * @param vertexCombinerClass Determines how vertex messages are combined
> */
> public final void setVertexCombinerClass(Class<?> vertexCombinerClass) {
> getConfiguration().setClass(VERTEX_COMBINER_CLASS,
> vertexCombinerClass,
> VertexCombiner.class);
> }
> /**
> * Set the graph partitioner class (optional)
> *
> * @param graphPartitionerFactoryClass Determines how the graph is
> partitioned
> */
> public final void setGraphPartitionerFactoryClass(
> Class<?> graphPartitionerFactoryClass) {
> getConfiguration().setClass(GRAPH_PARTITIONER_FACTORY_CLASS,
> graphPartitionerFactoryClass,
> GraphPartitionerFactory.class);
> }
> /**
> * Set the vertex resolver class (optional)
> *
> * @param vertexResolverClass Determines how vertex mutations are resolved
> */
> public final void setVertexResolverClass(Class<?> vertexResolverClass) {
> getConfiguration().setClass(VERTEX_RESOLVER_CLASS,
> vertexResolverClass,
> VertexResolver.class);
> }
> /**
> * Set the worker context class (optional)
> *
> * @param workerContextClass Determines what code is executed on a each
> * worker before and after each superstep and computation
> */
> public final void setWorkerContextClass(Class<?> workerContextClass) {
> getConfiguration().setClass(WORKER_CONTEXT_CLASS,
> workerContextClass,
> WorkerContext.class);
> }
> ...etc.
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