/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2009 Sun Microsystems, Inc.
 */
package org.opends.sdk.schema;



import org.opends.sdk.*;



/**
 * This class implements a default ordering matching rule that matches
 * normalized values in byte order.
 */
abstract class AbstractOrderingMatchingRuleImpl extends
    AbstractMatchingRuleImpl
{
  AbstractOrderingMatchingRuleImpl()
  {
    // Nothing to do.
  }



  @Override
  public Assertion getAssertion(Schema schema, ByteSequence value)
      throws DecodeException
  {
    final ByteString normAssertion =
        normalizeAttributeValue(schema, value);
    return new Assertion()
    {
      public ConditionResult matches(ByteSequence attributeValue)
      {
        return attributeValue.compareTo(normAssertion) < 0 ? ConditionResult.TRUE
            : ConditionResult.FALSE;
      }
    };
  }



  @Override
  public Assertion getGreaterOrEqualAssertion(Schema schema,
      ByteSequence value) throws DecodeException
  {
    final ByteString normAssertion =
        normalizeAttributeValue(schema, value);
    return new Assertion()
    {
      public ConditionResult matches(ByteSequence attributeValue)
      {
        return attributeValue.compareTo(normAssertion) >= 0 ? ConditionResult.TRUE
            : ConditionResult.FALSE;
      }
    };
  }



  @Override
  public Assertion getLessOrEqualAssertion(Schema schema,
      ByteSequence value) throws DecodeException
  {
    final ByteString normAssertion =
        normalizeAttributeValue(schema, value);
    return new Assertion()
    {
      public ConditionResult matches(ByteSequence attributeValue)
      {
        return attributeValue.compareTo(normAssertion) <= 0 ? ConditionResult.TRUE
            : ConditionResult.FALSE;
      }
    };
  }
}