| /* |
| * 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.geode.cache; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import org.apache.geode.cache.control.ResourceManager; |
| import org.apache.geode.distributed.DistributedMember; |
| |
| /** |
| * Indicates a low memory condition either on the local or a remote {@link Cache}. The |
| * {@link ResourceManager} monitors local tenured memory consumption and determines when operations |
| * are rejected. |
| * |
| * @see ResourceManager#setCriticalHeapPercentage(float) |
| * @see Region#put(Object, Object) |
| * |
| * @since GemFire 6.0 |
| */ |
| public class LowMemoryException extends ResourceException { |
| |
| private static final long serialVersionUID = 6585765466722883168L; |
| private final Set<DistributedMember> critMems; |
| |
| /** |
| * Creates a new instance of <code>LowMemoryException</code>. |
| */ |
| public LowMemoryException() { |
| this.critMems = Collections.emptySet(); |
| } |
| |
| /** |
| * Constructs an instance of <code>LowMemoryException</code> with the specified detail message. |
| * |
| * @param msg the detail message |
| * @param criticalMembers the member(s) which are/were in a critical state |
| */ |
| public LowMemoryException(String msg, final Set<DistributedMember> criticalMembers) { |
| super(msg); |
| this.critMems = Collections.unmodifiableSet(criticalMembers); |
| } |
| |
| /** |
| * Get a read-only set of members in a critical state at the time this exception was constructed. |
| * |
| * @return the critical members |
| */ |
| public Set<DistributedMember> getCriticalMembers() { |
| return this.critMems; |
| } |
| } |