pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / util / Bits.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/util/Bits.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/util/Bits.java
new file mode 100644 (file)
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--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/util/Bits.java
@@ -0,0 +1,61 @@
+package org.apache.lucene.util;
+
+/**
+ * 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.
+ */
+
+/**
+ * @lucene.experimental
+ */
+
+public interface Bits {
+  public boolean get(int index);
+  public int length();
+
+  public static final Bits[] EMPTY_ARRAY = new Bits[0];
+  
+  public static class MatchAllBits implements Bits {
+    final int len;
+    
+    public MatchAllBits( int len ) {
+      this.len = len;
+    }
+
+    public boolean get(int index) {
+      return true;
+    }
+
+    public int length() {
+      return len;
+    }
+  }
+
+  public static class MatchNoBits implements Bits {
+    final int len;
+    
+    public MatchNoBits( int len ) {
+      this.len = len;
+    }
+
+    public boolean get(int index) {
+      return false;
+    }
+
+    public int length() {
+      return len;
+    }
+  }
+}