org.apereo.inspektr.audit.support.MaxAgeWhereClauseMatchCriteria Maven / Gradle / Ivy

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo 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 the following location:
 *
 *   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.apereo.inspektr.audit.support;

import java.util.Calendar;
import java.util.Collections;
import java.util.List;

/**
 * Produces a where clause to select audit records older than some arbitrary
 * cutoff age in days.
 *
 * @author Marvin S. Addison
 * @version $Revision: $
 * @since 1.0
 *
 */
public class MaxAgeWhereClauseMatchCriteria extends AbstractWhereClauseMatchCriteria {
 
  /** Name of creation date column name in audit record table */
  private static final String DATE_COLUMN = "AUD_DATE";

  /** Maximum age of records */
  protected int maxAge;


  /**
   * Creates a new instance that selects audit records older than the given
   * number of days as measured from the present time.
   *
   * @param maxAgeDays Cutoff age of records in days.
   */
  public MaxAgeWhereClauseMatchCriteria(final int maxAgeDays) {
    this.maxAge = maxAgeDays;
    addCriteria(DATE_COLUMN, "<");
  }
  
 
  /** {@inheritDoc} */
  public List getParameterValues() {
    final Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_MONTH, -this.maxAge);
    return Collections.singletonList(cal.getTime());
  }
}