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package com.avaje.ebean.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Specify cache tuning for a specific entity type.
 * 
 * If this is not specified then the system default settings are used.
 * 
 */
@Target({ ElementType.TYPE })
@Retention(RetentionPolicy.RUNTIME)
public @interface CacheTuning {

  /**
   * The maximum size for the cache.
   * 
   * This defaults to 0 which means unlimited.
   * 
   */
  int maxSize() default 0;

  /**
   * The maximum time (in seconds) that a cache entry is allowed to stay in the
   * cache when it has not been accessed.
   * 
   * This defaults to 0 which means unlimited.
   * 
   */
  int maxIdleSecs() default 0;

  /**
   * The maximum time (in seconds) a cache entry is allowed to stay in the
   * cache.
   * 
   * This is not generally required as the cache entries are automatically
   * evicted when related data changes are committed.
   * 
   * 
   * This defaults to 0 which means unlimited.
   * 
   */
  int maxSecsToLive() default 0;
};