scorenodeiterator.java

来自「jsr170接口的java实现。是个apache的开源项目。」· Java 代码 · 共 51 行

/*
 * 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.
 */
package org.apache.jackrabbit.core.query.lucene;

import org.apache.jackrabbit.core.NodeImpl;

import javax.jcr.NodeIterator;

/**
 * Extends the {@link javax.jcr.NodeIterator} interface by adding a {@link
 * #getScore()} method that returns the score for the node that is returned by
 * {@link javax.jcr.NodeIterator#nextNode()}.
 */
public interface ScoreNodeIterator extends NodeIterator {

    /**
     * Returns the score of the node returned by {@link #nextNode()}. In other
     * words, this method returns the score value of the next
     * <code>Node</code>.
     *
     * @return the score of the node returned by {@link #nextNode()}.
     * @throws java.util.NoSuchElementException
     *          if there is no next node.
     */
    float getScore();

    /**
     * Returns the next <code>Node</code> in the result set.
     *
     * @return the next <code>Node</code> in the result set.
     * @throws java.util.NoSuchElementException
     *          if iteration has no more <code>Node</code>s.
     */
    NodeImpl nextNodeImpl();

}