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YARN-8104. Add API to fetch node to attribute mapping. Contributed by…
… Bibin A Chundatt.
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65 changes: 65 additions & 0 deletions
65
...src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNodesToAttributesRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.hadoop.yarn.api.protocolrecords; | ||
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| import org.apache.hadoop.classification.InterfaceAudience; | ||
| import org.apache.hadoop.classification.InterfaceStability; | ||
| import org.apache.hadoop.yarn.api.ApplicationClientProtocol; | ||
| import org.apache.hadoop.yarn.util.Records; | ||
|
|
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| import java.util.Set; | ||
|
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| /** | ||
| * <p> | ||
| * The request from clients to get nodes to attributes mapping | ||
| * in the cluster from the <code>ResourceManager</code>. | ||
| * </p> | ||
| * | ||
| * @see ApplicationClientProtocol#getNodesToAttributes | ||
| * (GetNodesToAttributesRequest) | ||
| */ | ||
| @InterfaceAudience.Public | ||
| @InterfaceStability.Evolving | ||
| public abstract class GetNodesToAttributesRequest { | ||
|
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| public static GetNodesToAttributesRequest newInstance(Set<String> hostNames) { | ||
| GetNodesToAttributesRequest request = | ||
| Records.newRecord(GetNodesToAttributesRequest.class); | ||
| request.setHostNames(hostNames); | ||
| return request; | ||
| } | ||
|
|
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| /** | ||
| * Set hostnames for which mapping is required. | ||
| * | ||
| * @param hostnames | ||
| */ | ||
| @InterfaceAudience.Public | ||
| @InterfaceStability.Evolving | ||
| public abstract void setHostNames(Set<String> hostnames); | ||
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| /** | ||
| * Get hostnames for which mapping is required. | ||
| * | ||
| * @return Set<String> of hostnames. | ||
| */ | ||
| @InterfaceAudience.Public | ||
| @InterfaceStability.Evolving | ||
| public abstract Set<String> getHostNames(); | ||
| } |
63 changes: 63 additions & 0 deletions
63
...rc/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNodesToAttributesResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.hadoop.yarn.api.protocolrecords; | ||
|
|
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| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Evolving; | ||
| import org.apache.hadoop.yarn.api.ApplicationClientProtocol; | ||
| import org.apache.hadoop.yarn.api.records.NodeAttribute; | ||
| import org.apache.hadoop.yarn.util.Records; | ||
|
|
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| import java.util.Map; | ||
| import java.util.Set; | ||
|
|
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| /** | ||
| * <p> | ||
| * The response sent by the <code>ResourceManager</code> to a client requesting | ||
| * nodes to attributes mapping. | ||
| * </p> | ||
| * | ||
| * @see ApplicationClientProtocol#getNodesToAttributes | ||
| * (GetNodesToAttributesRequest) | ||
| */ | ||
| @Public | ||
| @Evolving | ||
| public abstract class GetNodesToAttributesResponse { | ||
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| public static GetNodesToAttributesResponse newInstance( | ||
| Map<String, Set<NodeAttribute>> map) { | ||
| GetNodesToAttributesResponse response = | ||
| Records.newRecord(GetNodesToAttributesResponse.class); | ||
| response.setNodeToAttributes(map); | ||
| return response; | ||
| } | ||
|
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| @Public | ||
| @Evolving | ||
| public abstract void setNodeToAttributes(Map<String, Set<NodeAttribute>> map); | ||
|
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| /** | ||
| * Get hostnames to NodeAttributes mapping. | ||
| * | ||
| * @return Map<String, Set<NodeAttribute>> host to attributes. | ||
| */ | ||
| @Public | ||
| @Evolving | ||
| public abstract Map<String, Set<NodeAttribute>> getNodeToAttributes(); | ||
| } |
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