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org/hibernate/hql/CollectionProperties.java
// $Id: CollectionProperties.java 5699 2005-02-13 11:50:11Z oneovthafew $
package org.hibernate.hql;

import org.hibernate.persister.collection.CollectionPropertyNames;

import java.util.HashMap;
import java.util.Map;

/**
 * Provides a map of collection function names to the corresponding property names.
 *
 @author josh Aug 16, 2004 7:51:45 PM
 */
public final class CollectionProperties {
  public static final Map HQL_COLLECTION_PROPERTIES;

  private static final String COLLECTION_INDEX_LOWER = CollectionPropertyNames.COLLECTION_INDEX.toLowerCase();

  static {
    HQL_COLLECTION_PROPERTIES = new HashMap();
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_ELEMENTS.toLowerCase(), CollectionPropertyNames.COLLECTION_ELEMENTS );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_INDICES.toLowerCase(), CollectionPropertyNames.COLLECTION_INDICES );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_SIZE.toLowerCase(), CollectionPropertyNames.COLLECTION_SIZE );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_MAX_INDEX.toLowerCase(), CollectionPropertyNames.COLLECTION_MAX_INDEX );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_MIN_INDEX.toLowerCase(), CollectionPropertyNames.COLLECTION_MIN_INDEX );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_MAX_ELEMENT.toLowerCase(), CollectionPropertyNames.COLLECTION_MAX_ELEMENT );
    HQL_COLLECTION_PROPERTIES.putCollectionPropertyNames.COLLECTION_MIN_ELEMENT.toLowerCase(), CollectionPropertyNames.COLLECTION_MIN_ELEMENT );
    HQL_COLLECTION_PROPERTIES.putCOLLECTION_INDEX_LOWER, CollectionPropertyNames.COLLECTION_INDEX );
  }

  private CollectionProperties() {
  }

  public static boolean isCollectionProperty(String name) {
    String key = name.toLowerCase();
    // CollectionPropertyMapping processes everything except 'index'.
    if COLLECTION_INDEX_LOWER.equalskey ) ) {
      return false;
    }
    else {
      return HQL_COLLECTION_PROPERTIES.containsKeykey );
    }
  }

  public static String getNormalizedPropertyName(String name) {
    return String HQL_COLLECTION_PROPERTIES.getname );
  }

  public static boolean isAnyCollectionProperty(String name) {
    String key = name.toLowerCase();
    return HQL_COLLECTION_PROPERTIES.containsKeykey );
  }
}