| /* |
| * 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.hadoop.yarn.server.federation.policies.amrmproxy; |
| |
| import java.util.Map; |
| |
| import org.apache.hadoop.yarn.server.federation.policies.AbstractConfigurableFederationPolicy; |
| import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo; |
| import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo; |
| |
| /** |
| * Base abstract class for {@link FederationAMRMProxyPolicy} implementations, |
| * that provides common validation for reinitialization. |
| */ |
| public abstract class AbstractAMRMProxyPolicy extends |
| AbstractConfigurableFederationPolicy implements FederationAMRMProxyPolicy { |
| |
| @Override |
| public void validate(WeightedPolicyInfo newPolicyInfo) |
| throws FederationPolicyInitializationException { |
| super.validate(newPolicyInfo); |
| Map<SubClusterIdInfo, Float> newWeights = |
| newPolicyInfo.getAMRMPolicyWeights(); |
| if (newWeights == null || newWeights.size() < 1) { |
| throw new FederationPolicyInitializationException( |
| "Weight vector cannot be null/empty."); |
| } |
| } |
| |
| } |