+++ /dev/null
-package org.apache.lucene.search;
-
-/**
- * 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.
- */
-
-/** Expert: Describes the score computation for document and query, and
- * can distinguish a match independent of a positive value. */
-public class ComplexExplanation extends Explanation {
- private Boolean match;
-
- public ComplexExplanation() {
- super();
- }
-
- public ComplexExplanation(boolean match, float value, String description) {
- // NOTE: use of "boolean" instead of "Boolean" in params is conscious
- // choice to encourage clients to be specific.
- super(value, description);
- this.match = Boolean.valueOf(match);
- }
-
- /**
- * The match status of this explanation node.
- * @return May be null if match status is unknown
- */
- public Boolean getMatch() { return match; }
- /**
- * Sets the match status assigned to this explanation node.
- * @param match May be null if match status is unknown
- */
- public void setMatch(Boolean match) { this.match = match; }
- /**
- * Indicates whether or not this Explanation models a good match.
- *
- * <p>
- * If the match status is explicitly set (i.e.: not null) this method
- * uses it; otherwise it defers to the superclass.
- * </p>
- * @see #getMatch
- */
- @Override
- public boolean isMatch() {
- Boolean m = getMatch();
- return (null != m ? m.booleanValue() : super.isMatch());
- }
-
- @Override
- protected String getSummary() {
- if (null == getMatch())
- return super.getSummary();
-
- return getValue() + " = "
- + (isMatch() ? "(MATCH) " : "(NON-MATCH) ")
- + getDescription();
- }
-
-}