pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / facet / src / java / org / apache / lucene / facet / util / MultiCategoryListIterator.java

diff --git a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/util/MultiCategoryListIterator.java b/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/util/MultiCategoryListIterator.java
deleted file mode 100644 (file)
index 3a6e509..0000000
--- a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/util/MultiCategoryListIterator.java
+++ /dev/null
@@ -1,83 +0,0 @@
-package org.apache.lucene.facet.util;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.lucene.facet.search.CategoryListIterator;
-
-/**
- * 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.
- */
-
-/**
- * Iterates over multiple {@link CategoryListIterator}s, consuming the provided
- * iterators in order.
- * 
- * @lucene.experimental
- */
-public class MultiCategoryListIterator implements CategoryListIterator {
-
-  private final CategoryListIterator[] iterators;
-  private final List<CategoryListIterator> validIterators;
-  private final List<CategoryListIterator> perDocValidIterators;
-
-  /** Receives the iterators to iterate on */
-  public MultiCategoryListIterator(CategoryListIterator... iterators) {
-    this.iterators = iterators;
-    this.validIterators = new ArrayList<CategoryListIterator>();
-    this.perDocValidIterators = new ArrayList<CategoryListIterator>();
-  }
-
-  /** Fails if all given iterators fail to init */
-  public boolean init() throws IOException {
-    for (CategoryListIterator cli : iterators) {
-      if (cli.init()) {
-        validIterators.add(cli);
-      }
-    }
-    return !validIterators.isEmpty();
-  }
-
-  /**
-   * Return a value larger than {@link Integer#MAX_VALUE} only if all
-   * iterators are exhausted
-   */
-  public long nextCategory() throws IOException {
-    while (!perDocValidIterators.isEmpty()) {
-      long value = perDocValidIterators.get(0).nextCategory();
-      if (value <= Integer.MAX_VALUE) {
-        return value;
-      }
-      perDocValidIterators.remove(0);
-    }
-    return 0x100000000L;
-  }
-
-  /**
-   * Fails only if skipTo on all the provided iterators returned {@code false}
-   */
-  public boolean skipTo(int docId) throws IOException {
-    perDocValidIterators.clear();
-    for (CategoryListIterator cli : validIterators) {
-      if (cli.skipTo(docId)) {
-        perDocValidIterators.add(cli);
-      }
-    }
-    return !perDocValidIterators.isEmpty();
-  }
-
-}