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    1   /* Copyright 2004 Acegi Technology Pty Limited
    2    *
    3    * Licensed under the Apache License, Version 2.0 (the "License");
    4    * you may not use this file except in compliance with the License.
    5    * You may obtain a copy of the License at
    6    *
    7    *     http://www.apache.org/licenses/LICENSE-2.0
    8    *
    9    * Unless required by applicable law or agreed to in writing, software
    10   * distributed under the License is distributed on an "AS IS" BASIS,
    11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12   * See the License for the specific language governing permissions and
    13   * limitations under the License.
    14   */
    15
    16  package org.acegisecurity.acl.basic.cache;
    17
    18  import org.acegisecurity.acl.basic.AclObjectIdentity;
    19  import org.acegisecurity.acl.basic.BasicAclEntry;
    20  import org.acegisecurity.acl.basic.BasicAclEntryCache;
    21
    22
    23  /***
    24   * Does not perform any caching.
    25   *
    26   * <P>
    27   * <B>Do not use in production settings</B>, as ACL queries are likely to be
    28   * extensive.
    29   * </p>
    30   *
    31   * @author Ben Alex
    32   * @version $Id: NullAclEntryCache.java,v 1.2 2005/11/17 00:56:47 benalex Exp $
    33   */
    34  public class NullAclEntryCache implements BasicAclEntryCache {
    35      //~ Methods ================================================================
    36
    37      /***
    38       * As nothing ever stored in the cache, will always return
    39       * <code>null</code>.
    40       *
    41       * @param aclObjectIdentity ignored
    42       *
    43       * @return always <code>null</code>
    44       */
    45      public BasicAclEntry[] getEntriesFromCache(
    46          AclObjectIdentity aclObjectIdentity) {
    47          return null;
    48      }
    49
    50      /***
    51       * Meets method signature but doesn't store in any cache.
    52       *
    53       * @param basicAclEntry ignored
    54       */
    55      public void putEntriesInCache(BasicAclEntry[] basicAclEntry) {}
    56  }