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Expose several options from MockDirWrapper via index settings 

Index settings can now override default behavior for 'double write'
and 'no delete open files' on MockDirectoryWrapper if tests use these
options in a legit. way. ie. in a restore situation a double write
is a legit operation.
This commit is contained in:
Simon Willnauer 2013-09-28 22:05:22 +02:00
parent 831c3fabc6
commit 6c54e030d4
1 changed files with 11 additions and 2 deletions
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13
src/test/java/org/elasticsearch/index/store/mock/MockDirectoryHelper.java
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@ -46,18 +46,25 @@ public class MockDirectoryHelper {
public static final String RANDOM_IO_EXCEPTION_RATE_ON_OPEN = "index.store.mock.random.io_exception_rate_on_open";
public static final String RANDOM_THROTTLE = "index.store.mock.random.throttle";
public static final String CHECK_INDEX_ON_CLOSE = "index.store.mock.check_index_on_close";
public static final String RANDOM_PREVENT_DOUBLE_WRITE = "index.store.mock.random.prevent_double_write";
public static final String RANDOM_NO_DELETE_OPEN_FILE = "index.store.mock.random.no_delete_open_file";
public static final Set<MockDirectoryWrapper> wrappers = ConcurrentCollections.newConcurrentSet();
private final Random random;
private final double randomIOExceptionRate;
private final double randomIOExceptionRateOnOpen;
private final Throttling throttle;
private final boolean checkIndexOnClose;
private Settings indexSettings;
private ShardId shardId;
private final Settings indexSettings;
private final ShardId shardId;
private final boolean preventDoubleWrite;
private final boolean noDeleteOpenFile;
public MockDirectoryHelper(ShardId shardId, Settings indexSettings, ESLogger logger) {
randomIOExceptionRate = indexSettings.getAsDouble(RANDOM_IO_EXCEPTION_RATE, 0.0d);
randomIOExceptionRateOnOpen = indexSettings.getAsDouble(RANDOM_IO_EXCEPTION_RATE_ON_OPEN, 0.0d);
preventDoubleWrite = indexSettings.getAsBoolean(RANDOM_PREVENT_DOUBLE_WRITE, true); // true is default in MDW
noDeleteOpenFile = indexSettings.getAsBoolean(RANDOM_NO_DELETE_OPEN_FILE, true); // true is default in MDW
final long seed = indexSettings.getAsLong(AbstractIntegrationTest.INDEX_SEED_SETTING, 0l);
random = new Random(seed);
random.nextInt(shardId.getId() + 1); // some randomness per shard
@ -77,6 +84,8 @@ public class MockDirectoryHelper {
w.setRandomIOExceptionRateOnOpen(randomIOExceptionRateOnOpen);
w.setThrottling(throttle);
w.setCheckIndexOnClose(checkIndexOnClose);
w.setPreventDoubleWrite(preventDoubleWrite);
w.setNoDeleteOpenFile(noDeleteOpenFile);
wrappers.add(w);
return new FilterDirectory(w) {
@Override