01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.apache.lucene.store.jdbc.index;
18:
19: import java.io.IOException;
20:
21: import org.apache.lucene.store.ConfigurableBufferedIndexInput;
22: import org.apache.lucene.store.jdbc.JdbcDirectory;
23: import org.apache.lucene.store.jdbc.JdbcFileEntrySettings;
24:
25: /**
26: * A simple base class that performs index input memory based buffering. The buffer size can be configured
27: * under the {@link #BUFFER_SIZE_SETTING} name.
28: *
29: * @author kimchy
30: */
31: public abstract class JdbcBufferedIndexInput extends
32: ConfigurableBufferedIndexInput implements JdbcIndexConfigurable {
33:
34: /**
35: * The buffer size setting name. See {@link JdbcFileEntrySettings#setIntSetting(String,int)}.
36: * Should be set in bytes.
37: */
38: public static final String BUFFER_SIZE_SETTING = "indexInput.bufferSize";
39:
40: public void configure(String name, JdbcDirectory jdbcDirectory,
41: JdbcFileEntrySettings settings) throws IOException {
42: setBufferSize(settings.getSettingAsInt(BUFFER_SIZE_SETTING,
43: BUFFER_SIZE));
44: }
45: }
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