01: package org.apache.lucene.index;
02:
03: /**
04: * Licensed to the Apache Software Foundation (ASF) under one or more
05: * contributor license agreements. See the NOTICE file distributed with
06: * this work for additional information regarding copyright ownership.
07: * The ASF licenses this file to You under the Apache License, Version 2.0
08: * (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: *
11: * http://www.apache.org/licenses/LICENSE-2.0
12: *
13: * Unless required by applicable law or agreed to in writing, software
14: * distributed under the License is distributed on an "AS IS" BASIS,
15: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16: * See the License for the specific language governing permissions and
17: * limitations under the License.
18: */
19:
20: import java.io.IOException;
21:
22: import org.apache.lucene.store.GCJIndexInput;
23:
24: class GCJSegmentReader extends SegmentReader {
25:
26: /** Try to use an optimized native implementation of TermDocs. The optimized
27: * implementation can only be used when the segment's directory is a
28: * GCJDirectory and it is not in compound format. */
29: public final TermDocs termDocs() throws IOException {
30: if (freqStream instanceof GCJIndexInput) { // it's a GCJIndexInput
31: return new GCJTermDocs(this ); // so can use GCJTermDocs
32: } else {
33: return super.termDocs();
34: }
35: }
36: }
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