public void testRefCounts1() throws IOException {
Directory dir1 = getDir1(random());
Directory dir2 = getDir2(random());
LeafReader ir1, ir2;
// close subreaders, ParallelReader will not change refCounts, but close on its own close
ParallelLeafReader pr =
new ParallelLeafReader(
ir1 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir1)),
ir2 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir2)));
// check RefCounts
assertEquals(1, ir1.getRefCount());
assertEquals(1, ir2.getRefCount());
pr.close();
assertEquals(0, ir1.getRefCount());
assertEquals(0, ir2.getRefCount());
dir1.close();
dir2.close();
}
public void testIncompatibleIndexes() throws IOException {
// two documents:
Directory dir1 = getDir1(random());
// one document only:
Directory dir2 = newDirectory();
IndexWriter w2 = new IndexWriter(dir2, newIndexWriterConfig(new MockAnalyzer(random())));
Document d3 = new Document();
d3.add(newTextField("f3", "v1", Field.Store.YES));
w2.addDocument(d3);
w2.close();
LeafReader ir1 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir1));
LeafReader ir2 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir2));
try {
new ParallelLeafReader(ir1, ir2);
fail("didn't get exptected exception: indexes don't have same number of documents");
} catch (IllegalArgumentException e) {
// expected exception
}
try {
new ParallelLeafReader(
random().nextBoolean(), new LeafReader[] {ir1, ir2}, new LeafReader[] {ir1, ir2});
fail("didn't get expected exception: indexes don't have same number of documents");
} catch (IllegalArgumentException e) {
// expected exception
}
// check RefCounts
assertEquals(1, ir1.getRefCount());
assertEquals(1, ir2.getRefCount());
ir1.close();
ir2.close();
dir1.close();
dir2.close();
}
public void testRefCounts2() throws IOException {
Directory dir1 = getDir1(random());
Directory dir2 = getDir2(random());
LeafReader ir1 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir1));
LeafReader ir2 = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir2));
// don't close subreaders, so ParallelReader will increment refcounts
ParallelLeafReader pr = new ParallelLeafReader(false, ir1, ir2);
// check RefCounts
assertEquals(2, ir1.getRefCount());
assertEquals(2, ir2.getRefCount());
pr.close();
assertEquals(1, ir1.getRefCount());
assertEquals(1, ir2.getRefCount());
ir1.close();
ir2.close();
assertEquals(0, ir1.getRefCount());
assertEquals(0, ir2.getRefCount());
dir1.close();
dir2.close();
}