| package org.apache.lucene.store; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| /** |
| * 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. |
| */ |
| |
| /** |
| * Used by MockDirectoryWrapper to create an input stream that |
| * keeps track of when it's been closed. |
| */ |
| |
| public class MockIndexInputWrapper extends IndexInput { |
| private MockDirectoryWrapper dir; |
| final String name; |
| private IndexInput delegate; |
| private boolean isClone; |
| |
| /** Construct an empty output buffer. */ |
| public MockIndexInputWrapper(MockDirectoryWrapper dir, String name, IndexInput delegate) { |
| this.name = name; |
| this.dir = dir; |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| // turn on the following to look for leaks closing inputs, |
| // after fixing TestTransactions |
| // dir.maybeThrowDeterministicException(); |
| } finally { |
| delegate.close(); |
| // Pending resolution on LUCENE-686 we may want to |
| // remove the conditional check so we also track that |
| // all clones get closed: |
| if (!isClone) { |
| dir.removeIndexInput(this, name); |
| } |
| } |
| } |
| |
| @Override |
| public Object clone() { |
| IndexInput iiclone = (IndexInput) delegate.clone(); |
| MockIndexInputWrapper clone = new MockIndexInputWrapper(dir, name, iiclone); |
| clone.isClone = true; |
| // Pending resolution on LUCENE-686 we may want to |
| // uncomment this code so that we also track that all |
| // clones get closed: |
| /* |
| synchronized(dir.openFiles) { |
| if (dir.openFiles.containsKey(name)) { |
| Integer v = (Integer) dir.openFiles.get(name); |
| v = Integer.valueOf(v.intValue()+1); |
| dir.openFiles.put(name, v); |
| } else { |
| throw new RuntimeException("BUG: cloned file was not open?"); |
| } |
| } |
| */ |
| return clone; |
| } |
| |
| @Override |
| public long getFilePointer() { |
| return delegate.getFilePointer(); |
| } |
| |
| @Override |
| public void seek(long pos) throws IOException { |
| delegate.seek(pos); |
| } |
| |
| @Override |
| public long length() { |
| return delegate.length(); |
| } |
| |
| @Override |
| public byte readByte() throws IOException { |
| return delegate.readByte(); |
| } |
| |
| @Override |
| public void readBytes(byte[] b, int offset, int len) throws IOException { |
| delegate.readBytes(b, offset, len); |
| } |
| |
| @Override |
| public void copyBytes(IndexOutput out, long numBytes) throws IOException { |
| delegate.copyBytes(out, numBytes); |
| } |
| |
| @Override |
| public void readBytes(byte[] b, int offset, int len, boolean useBuffer) |
| throws IOException { |
| delegate.readBytes(b, offset, len, useBuffer); |
| } |
| |
| @Override |
| public int readInt() throws IOException { |
| return delegate.readInt(); |
| } |
| |
| @Override |
| public int readVInt() throws IOException { |
| return delegate.readVInt(); |
| } |
| |
| @Override |
| public long readLong() throws IOException { |
| return delegate.readLong(); |
| } |
| |
| @Override |
| public long readVLong() throws IOException { |
| return delegate.readVLong(); |
| } |
| |
| @Override |
| public String readString() throws IOException { |
| return delegate.readString(); |
| } |
| |
| @Override |
| public Map<String,String> readStringStringMap() throws IOException { |
| return delegate.readStringStringMap(); |
| } |
| |
| @Override |
| public void setModifiedUTF8StringsMode() { |
| delegate.setModifiedUTF8StringsMode(); |
| } |
| |
| @Override |
| public void readChars(char[] buffer, int start, int length) |
| throws IOException { |
| delegate.readChars(buffer, start, length); |
| } |
| |
| @Override |
| public void skipChars(int length) throws IOException { |
| delegate.skipChars(length); |
| } |
| } |