/* * #! * Ontopia Engine * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * Licensed 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 * * 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 net.ontopia.topicmaps.core.index; import java.util.Collection; import java.util.Iterator; import net.ontopia.infoset.core.LocatorIF; import net.ontopia.topicmaps.core.OccurrenceIF; /** * INTERNAL: Index that holds information about occurrences in the * topic map. The intention is to provide quick lookup of occurrences * by value. * * @since 2.2 */ public interface OccurrenceIndexIF extends IndexIF { /** * INTERNAL: Gets all occurrences that have the specified value * independent of datatype. * * @return A collection of OccurrenceIF objects. */ public Collection<OccurrenceIF> getOccurrences(String value); /** * INTERNAL: Gets all occurrences that have the specified value and * datatype. * * @return A collection of OccurrenceIF objects. * @since 4.0 */ public Collection<OccurrenceIF> getOccurrences(String value, LocatorIF datatype); /** * INTERNAL: Gets all occurrences of any datatype that have a value * starting with the specified prefix. * * @return A collection of OccurrenceIF objects. */ public Collection<OccurrenceIF> getOccurrencesByPrefix(String prefix); /** * INTERNAL: Gets all occurrences that have the specifed datatype * and a value starting with the specified prefix. * * @return A collection of OccurrenceIF objects. * @since 4.0 */ public Collection<OccurrenceIF> getOccurrencesByPrefix(String prefix, LocatorIF datatype); /** * INTERNAL: Gets all occurrence values that are greather than or * equal to the given value. */ public Iterator<String> getValuesGreaterThanOrEqual(String value); /** * INTERNAL: Gets all occurrence values that are smaller than or * equal to the given value. */ public Iterator<String> getValuesSmallerThanOrEqual(String value); }