diff --git a/src/main/java/org/springframework/data/gemfire/config/EvictionAttributesFactoryBean.java b/src/main/java/org/springframework/data/gemfire/config/EvictionAttributesFactoryBean.java new file mode 100644 index 00000000..d22bb594 --- /dev/null +++ b/src/main/java/org/springframework/data/gemfire/config/EvictionAttributesFactoryBean.java @@ -0,0 +1,136 @@ +/* + * Copyright 2010 the original author or authors. + * + * Licensed 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.springframework.data.gemfire.config; + +import org.springframework.beans.factory.FactoryBean; +import org.springframework.beans.factory.InitializingBean; + +import com.gemstone.gemfire.cache.EvictionAction; +import com.gemstone.gemfire.cache.EvictionAttributes; +import com.gemstone.gemfire.cache.util.ObjectSizer; + +/** + * Simple utility class used for defining nested factory-method like definitions w/o polluting the container with useless beans. + * + * @author Costin Leau + */ +class EvictionAttributesFactoryBean implements FactoryBean, InitializingBean { + + private EvictionAttributes evictionAttr; + + private Integer threshold = null; + private ObjectSizer objectSizer = null; + private EvictionAction action = null; + private EvictionType type = EvictionType.ENTRY_COUNT; + + public void afterPropertiesSet() { + if (action == null) { + action = EvictionAction.DEFAULT_EVICTION_ACTION; + } + + evictionAttr = createAttributes(); + } + + private EvictionAttributes createAttributes() { + switch (type) { + case HEAP_PERCENTAGE: + return EvictionAttributes.createLRUHeapAttributes(objectSizer, action); + + case MEMORY_SIZE: + if (threshold != null) { + return EvictionAttributes.createLRUMemoryAttributes(threshold, objectSizer, action); + } + return EvictionAttributes.createLRUMemoryAttributes(objectSizer, action); + + // consider entry count as default + case ENTRY_COUNT: + default: + if (threshold != null) { + return EvictionAttributes.createLRUEntryAttributes(threshold, action); + } + return EvictionAttributes.createLRUMemoryAttributes(threshold); + } + } + + public EvictionAttributes getObject() { + return evictionAttr; + } + + public Class getObjectType() { + return (evictionAttr != null ? evictionAttr.getClass() : EvictionAttributes.class); + } + + public boolean isSingleton() { + return true; + } + + /** + * @return the threshold + */ + public int getThreshold() { + return threshold; + } + + /** + * @param threshold the threshold to set + */ + public void setThreshold(int threshold) { + this.threshold = threshold; + } + + /** + * @return the objectSizer + */ + public ObjectSizer getObjectSizer() { + return objectSizer; + } + + /** + * @param objectSizer the objectSizer to set + */ + public void setObjectSizer(ObjectSizer objectSizer) { + this.objectSizer = objectSizer; + } + + /** + * @return the action + */ + public EvictionAction getAction() { + return action; + } + + /** + * @param action the action to set + */ + public void setAction(EvictionAction action) { + this.action = action; + } + + /** + * @return the type + */ + public EvictionType getType() { + return type; + } + + /** + * @param type the type to set + */ + public void setType(EvictionType type) { + this.type = type; + } +} \ No newline at end of file diff --git a/src/main/java/org/springframework/data/gemfire/config/EvictionType.java b/src/main/java/org/springframework/data/gemfire/config/EvictionType.java new file mode 100644 index 00000000..fe935025 --- /dev/null +++ b/src/main/java/org/springframework/data/gemfire/config/EvictionType.java @@ -0,0 +1,27 @@ +/* + * Copyright 2010 the original author or authors. + * + * Licensed 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.springframework.data.gemfire.config; + +/** + * Simple enumeration for the various GemFire eviction types. + * + * @author Costin Leau + */ +enum EvictionType { + + ENTRY_COUNT, MEMORY_SIZE, HEAP_PERCENTAGE +}