+++ /dev/null
-package org.apache.lucene.queryParser.core.config;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF 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
- *
- * 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.
- */
-
-import java.util.LinkedList;
-
-import org.apache.lucene.queryParser.core.processors.QueryNodeProcessor;
-import org.apache.lucene.queryParser.core.util.StringUtils;
-import org.apache.lucene.util.Attribute;
-import org.apache.lucene.util.AttributeSource;
-
-/**
- * This class can be used to hold any query configuration and no field
- * configuration. For field configuration, it creates a empty
- * {@link FieldConfig} object and delegate it to field config listeners,
- * these are responsible for setting up all the field configuration.
- *
- * {@link QueryConfigHandler} should be extended by classes that intends to
- * provide configuration to {@link QueryNodeProcessor} objects.
- *
- * This class extends {@link AttributeSource}, so {@link Attribute}s can be
- * attached to it.
- *
- * The class that extends {@link QueryConfigHandler} should also provide
- * {@link FieldConfig} objects for each collection field.
- *
- * @see Attribute
- * @see FieldConfig
- * @see FieldConfigListener
- * @see QueryConfigHandler
- *
- */
-public abstract class QueryConfigHandler extends AbstractQueryConfig {
-
- private LinkedList<FieldConfigListener> listeners = new LinkedList<FieldConfigListener>();
-
- /**
- * Returns an implementation of
- * {@link FieldConfig} for a specific field name. If the implemented
- * {@link QueryConfigHandler} does not know a specific field name, it may
- * return <code>null</code>, indicating there is no configuration for that
- * field.
- *
- * @param fieldName
- * the field name
- * @return a {@link FieldConfig} object containing the field name
- * configuration or <code>null</code>, if the implemented
- * {@link QueryConfigHandler} has no configuration for that field
- *
- * @deprecated use {@link #getFieldConfig(String)} instead
- *
- */
- @Deprecated
- public FieldConfig getFieldConfig(CharSequence fieldName) {
- return getFieldConfig(StringUtils.toString(fieldName));
- }
-
- /**
- * Returns an implementation of
- * {@link FieldConfig} for a specific field name. If the implemented
- * {@link QueryConfigHandler} does not know a specific field name, it may
- * return <code>null</code>, indicating there is no configuration for that
- * field.
- *
- * @param fieldName
- * the field name
- * @return a {@link FieldConfig} object containing the field name
- * configuration or <code>null</code>, if the implemented
- * {@link QueryConfigHandler} has no configuration for that field
- */
- public FieldConfig getFieldConfig(String fieldName) {
- FieldConfig fieldConfig = new FieldConfig(fieldName);
-
- for (FieldConfigListener listener : this.listeners) {
- listener.buildFieldConfig(fieldConfig);
- }
-
- return fieldConfig;
-
- }
-
- /**
- * Adds a listener. The added listeners are called in the order they are
- * added.
- *
- * @param listener
- * the listener to be added
- */
- public void addFieldConfigListener(FieldConfigListener listener) {
- this.listeners.add(listener);
- }
-
-}