Merge branch 'gerrit/stabilization-3b6982ce7f'
Change-Id: I2ea64b20d39dc9cb4e14f350424f0e4b2e038e2c
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/NCQueryServiceServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/NCQueryServiceServlet.java
index 0b0f262..d6ebdad 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/NCQueryServiceServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/NCQueryServiceServlet.java
@@ -36,7 +36,6 @@
import org.apache.asterix.common.api.IRequestReference;
import org.apache.asterix.common.config.GlobalConfig;
import org.apache.asterix.common.exceptions.ErrorCode;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.exceptions.RuntimeDataException;
import org.apache.asterix.common.messaging.api.INCMessageBroker;
import org.apache.asterix.common.messaging.api.MessageFuture;
@@ -46,6 +45,7 @@
import org.apache.asterix.translator.SessionOutput;
import org.apache.hyracks.api.application.INCServiceContext;
import org.apache.hyracks.api.exceptions.Warning;
+import org.apache.hyracks.api.util.ExceptionUtils;
import org.apache.hyracks.http.api.IChannelClosedHandler;
import org.apache.hyracks.http.api.IServletRequest;
import org.apache.hyracks.http.server.HttpServer;
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
index e18e50c..0242ecd 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
@@ -434,6 +434,10 @@
}
}
+ protected synchronized void doRecover(MetadataProvider metadataProvider) throws HyracksDataException {
+ doStart(metadataProvider);
+ }
+
private void cancelJob(Throwable th) {
cancelJobSafely(metadataProvider, th);
final WaitForStateSubscriber cancelSubscriber =
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/RecoveryTask.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/RecoveryTask.java
index 968876d..3bc1c28 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/RecoveryTask.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/RecoveryTask.java
@@ -125,7 +125,7 @@
try {
if (!cancelRecovery && listener.getState() == ActivityState.TEMPORARILY_FAILED) {
listener.setState(ActivityState.RECOVERING);
- listener.doStart(metadataProvider);
+ listener.doRecover(metadataProvider);
}
LOGGER.log(level, "Recovery completed successfully");
return null;
@@ -141,7 +141,7 @@
releaseRecoveryLocks(metadataProvider);
}
} while (policy.retry(failure));
- // Recovery task is essntially over now either through failure or through cancellation(stop)
+ // Recovery task is essentially over now either through failure or through cancellation(stop)
synchronized (listener) {
listener.notifyAll();
if (listener.getState() != ActivityState.TEMPORARILY_FAILED
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
index 7ddf877..4b6f01d 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
@@ -76,7 +76,6 @@
import org.apache.asterix.common.exceptions.AsterixException;
import org.apache.asterix.common.exceptions.CompilationException;
import org.apache.asterix.common.exceptions.ErrorCode;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.exceptions.MetadataException;
import org.apache.asterix.common.exceptions.RuntimeDataException;
import org.apache.asterix.common.exceptions.WarningCollector;
@@ -3580,7 +3579,7 @@
printer.print(jobId);
}
} catch (Exception e) {
- if (ExceptionUtils.getRootCause(e) instanceof InterruptedException) {
+ if (org.apache.hyracks.api.util.ExceptionUtils.getRootCause(e) instanceof InterruptedException) {
Thread.currentThread().interrupt();
throw new RuntimeDataException(ErrorCode.REQUEST_CANCELLED, clientRequest.getId());
}
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/utils/RebalanceUtil.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/utils/RebalanceUtil.java
index 429cda9..ccb73b6 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/utils/RebalanceUtil.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/utils/RebalanceUtil.java
@@ -34,7 +34,6 @@
import org.apache.asterix.app.active.ActiveNotificationHandler;
import org.apache.asterix.common.api.IMetadataLockManager;
import org.apache.asterix.common.dataflow.ICcApplicationContext;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.metadata.DataverseName;
import org.apache.asterix.common.transactions.TxnId;
import org.apache.asterix.common.utils.JobUtils;
@@ -182,7 +181,7 @@
work.run();
done = true;
} catch (Exception e) {
- Throwable rootCause = ExceptionUtils.getRootCause(e);
+ Throwable rootCause = org.apache.hyracks.api.util.ExceptionUtils.getRootCause(e);
if (rootCause instanceof java.lang.InterruptedException) {
interruptedException = (InterruptedException) rootCause;
// clear the interrupted state from the thread
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/CancellationTestExecutor.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/CancellationTestExecutor.java
index d4f92fb..db7ca7d 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/CancellationTestExecutor.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/CancellationTestExecutor.java
@@ -33,7 +33,6 @@
import java.util.concurrent.Future;
import java.util.function.Predicate;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.utils.Servlets;
import org.apache.asterix.test.runtime.SqlppExecutionWithCancellationTest;
import org.apache.asterix.testframework.context.TestCaseContext;
@@ -43,6 +42,7 @@
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
+import org.apache.hyracks.api.util.ExceptionUtils;
import org.junit.Assert;
public class CancellationTestExecutor extends TestExecutor {
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/RebalanceCancellationTestExecutor.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/RebalanceCancellationTestExecutor.java
index 3318459..d35bfb7 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/RebalanceCancellationTestExecutor.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/RebalanceCancellationTestExecutor.java
@@ -29,7 +29,6 @@
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.utils.Servlets;
import org.apache.asterix.testframework.context.TestCaseContext;
import org.apache.asterix.testframework.xml.ComparisonEnum;
@@ -38,6 +37,7 @@
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
+import org.apache.hyracks.api.util.ExceptionUtils;
import org.apache.logging.log4j.Level;
import org.junit.Assert;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/runtime/SqlppExecutionWithCancellationTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/runtime/SqlppExecutionWithCancellationTest.java
index c5ca66a..eae9d09 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/runtime/SqlppExecutionWithCancellationTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/runtime/SqlppExecutionWithCancellationTest.java
@@ -20,9 +20,9 @@
import java.util.Collection;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.test.common.CancellationTestExecutor;
import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.hyracks.api.util.ExceptionUtils;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/txn/LogManagerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/txn/LogManagerTest.java
index 685d983..fb08fe3 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/txn/LogManagerTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/txn/LogManagerTest.java
@@ -31,7 +31,6 @@
import org.apache.asterix.common.config.TransactionProperties;
import org.apache.asterix.common.dataflow.DatasetLocalResource;
import org.apache.asterix.common.exceptions.ACIDException;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.common.transactions.DatasetId;
import org.apache.asterix.common.transactions.ILockManager;
import org.apache.asterix.common.transactions.ILogManager;
@@ -113,7 +112,7 @@
logManager.log(logRecord);
}
} catch (ACIDException e) {
- Throwable rootCause = ExceptionUtils.getRootCause(e);
+ Throwable rootCause = org.apache.hyracks.api.util.ExceptionUtils.getRootCause(e);
if (rootCause instanceof java.lang.InterruptedException) {
interrupted.set(true);
}
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/NoOpFrameOperationCallbackFactory.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/NoOpFrameOperationCallbackFactory.java
index 1d7ad2d..915f3b3 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/NoOpFrameOperationCallbackFactory.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/NoOpFrameOperationCallbackFactory.java
@@ -55,5 +55,10 @@
public void fail(Throwable th) {
// No Op
}
+
+ @Override
+ public void open() throws HyracksDataException {
+ // No Op
+ }
}
}
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ExceptionUtils.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ExceptionUtils.java
deleted file mode 100644
index f73848f..0000000
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ExceptionUtils.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * 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.
- */
-package org.apache.asterix.common.exceptions;
-
-import java.util.function.Predicate;
-
-import org.apache.hyracks.api.exceptions.IFormattedException;
-
-public class ExceptionUtils {
- public static final String INCORRECT_PARAMETER = "Incorrect parameter.\n";
- public static final String PARAMETER_NAME = "Parameter name: ";
- public static final String EXPECTED_VALUE = "Expected value: ";
- public static final String PASSED_VALUE = "Passed value: ";
-
- private ExceptionUtils() {
- }
-
- public static String incorrectParameterMessage(String parameterName, String expectedValue, String passedValue) {
- return INCORRECT_PARAMETER + PARAMETER_NAME + parameterName + System.lineSeparator() + EXPECTED_VALUE
- + expectedValue + System.lineSeparator() + PASSED_VALUE + passedValue;
- }
-
- // Gets the error message for the root cause of a given Throwable instance.
- public static String getErrorMessage(Throwable th) {
- Throwable cause = getRootCause(th);
- return cause.getMessage();
- }
-
- // Finds the root cause of a given Throwable instance.
- public static Throwable getRootCause(Throwable e) {
- Throwable current = e;
- Throwable cause = e.getCause();
- while (cause != null && cause != current) {
- current = cause;
- cause = current.getCause();
- }
- return current;
- }
-
- /**
- * Determines whether supplied exception contains a matching cause in its hierarchy, or is itself a match
- */
- public static boolean matchingCause(Throwable e, Predicate<Throwable> test) {
- Throwable current = e;
- Throwable cause = e.getCause();
- while (cause != null && cause != current) {
- if (test.test(cause)) {
- return true;
- }
- Throwable nextCause = current.getCause();
- current = cause;
- cause = nextCause;
- }
- return test.test(e);
- }
-
- /**
- * Unwraps enclosed exceptions until a non-product exception is found, otherwise returns the root production
- * exception
- */
- public static Throwable unwrap(Throwable e) {
- Throwable current = e;
- Throwable cause = e.getCause();
- while (cause != null && cause != current && current instanceof IFormattedException) {
- current = cause;
- cause = current.getCause();
- }
- return current;
- }
-}
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/input/stream/LocalFSInputStream.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/input/stream/LocalFSInputStream.java
index f9eade5..ad762bf 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/input/stream/LocalFSInputStream.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/input/stream/LocalFSInputStream.java
@@ -26,7 +26,6 @@
import java.io.FileInputStream;
import java.io.IOException;
-import org.apache.asterix.common.exceptions.ExceptionUtils;
import org.apache.asterix.external.dataflow.AbstractFeedDataFlowController;
import org.apache.asterix.external.util.FeedLogManager;
import org.apache.asterix.external.util.FileSystemWatcher;
@@ -129,7 +128,7 @@
if (in == null) {
return false;
}
- Throwable root = ExceptionUtils.getRootCause(th);
+ Throwable root = org.apache.hyracks.api.util.ExceptionUtils.getRootCause(th);
if (root instanceof HyracksDataException) {
HyracksDataException r = (HyracksDataException) root;
boolean advance = false;
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
index 61d48c5..f18992f 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
@@ -228,6 +228,7 @@
blockingOperatorDisabled = true;
}
+ @Override
public boolean isBlockingOperatorDisabled() {
return blockingOperatorDisabled;
}
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
index f1412db..9240f25 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
@@ -32,7 +32,7 @@
public static final int METADATA_OBJECT_NAME_LENGTH_LIMIT_UTF8 = 251;
public static final int DATAVERSE_NAME_TOTAL_LENGTH_LIMIT_UTF8 = METADATA_OBJECT_NAME_LENGTH_LIMIT_UTF8 * 4;
public static final Pattern METADATA_OBJECT_NAME_INVALID_CHARS =
- Pattern.compile(SystemUtils.IS_OS_WINDOWS ? "[\u0000-\u001F\u007F\"*/:<>\\\\|+,.;=\\[\\]\n]" : "[\u0000/]");
+ Pattern.compile(SystemUtils.IS_OS_WINDOWS ? "[\u0000-\u001F\u007F\"*/:<>\\\\|+,;=\\[\\]\n]" : "[\u0000/]");
// Name of the dataverse the metadata lives in.
public static final DataverseName METADATA_DATAVERSE_NAME = DataverseName.createBuiltinDataverseName("Metadata");
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryInsertOperatorNodePushable.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryInsertOperatorNodePushable.java
index a886161..eadb614 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryInsertOperatorNodePushable.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryInsertOperatorNodePushable.java
@@ -191,6 +191,7 @@
PrimaryIndexLogMarkerCallback callback = new PrimaryIndexLogMarkerCallback((AbstractLSMIndex) index);
TaskUtil.put(ILogMarkerCallback.KEY_MARKER_CALLBACK, callback, ctx);
}
+ frameOpCallback.open();
writer.open();
keySearchCmp =
BTreeUtils.getSearchMultiComparator(((ITreeIndex) index).getComparatorFactories(), frameTuple);
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryUpsertOperatorNodePushable.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryUpsertOperatorNodePushable.java
index f5bddc5..8e0de5f 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryUpsertOperatorNodePushable.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/LSMPrimaryUpsertOperatorNodePushable.java
@@ -291,7 +291,13 @@
public void fail(Throwable th) {
callback.fail(th);
}
+
+ @Override
+ public void open() throws HyracksDataException {
+ callback.open();
+ }
};
+ frameOpCallback.open();
} catch (Throwable e) { // NOSONAR: Re-thrown
throw HyracksDataException.create(e);
}
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
index 717eac7..c6b7843 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
@@ -217,4 +217,6 @@
public Map<String, Object> getConfig();
+ public boolean isBlockingOperatorDisabled();
+
}
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
index 3175367..f2532b4 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
@@ -44,6 +44,9 @@
@Override
public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
throws AlgebricksException {
+ if (context.getMetadataProvider().isBlockingOperatorDisabled()) {
+ return false;
+ }
AbstractLogicalOperator op0 = (AbstractLogicalOperator) opRef.getValue();
if (op0.getOperatorTag() != LogicalOperatorTag.SUBPLAN) {
return false;
diff --git a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
index 6e5c2c9..11aefc6 100644
--- a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
+++ b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
@@ -191,7 +191,7 @@
@Override
public void flush() throws HyracksDataException {
- writer.flush();
+ appender.flush(writer);
}
/**
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExceptionUtils.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExceptionUtils.java
index d748ed8..7c304b9 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExceptionUtils.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExceptionUtils.java
@@ -23,9 +23,11 @@
import java.util.List;
import java.util.Map;
import java.util.function.Function;
+import java.util.function.Predicate;
import org.apache.hyracks.api.exceptions.ErrorCode;
import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.IFormattedException;
import org.apache.hyracks.util.ThrowingFunction;
import com.google.common.util.concurrent.UncheckedExecutionException;
@@ -158,4 +160,41 @@
throw HyracksDataException.create(e.getCause());
}
}
+
+ // Gets the error message for the root cause of a given Throwable instance.
+ public static String getErrorMessage(Throwable th) {
+ Throwable cause = getRootCause(th);
+ return cause.getMessage();
+ }
+
+ /**
+ * Determines whether supplied exception contains a matching cause in its hierarchy, or is itself a match
+ */
+ public static boolean matchingCause(Throwable e, Predicate<Throwable> test) {
+ Throwable current = e;
+ Throwable cause = e.getCause();
+ while (cause != null && cause != current) {
+ if (test.test(cause)) {
+ return true;
+ }
+ Throwable nextCause = current.getCause();
+ current = cause;
+ cause = nextCause;
+ }
+ return test.test(e);
+ }
+
+ /**
+ * Unwraps enclosed exceptions until a non-product exception is found, otherwise returns the root production
+ * exception
+ */
+ public static Throwable unwrap(Throwable e) {
+ Throwable current = e;
+ Throwable cause = e.getCause();
+ while (cause != current && cause instanceof IFormattedException) {
+ current = cause;
+ cause = current.getCause();
+ }
+ return current;
+ }
}
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IFrameOperationCallback.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IFrameOperationCallback.java
index 78e5862..1f89af2 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IFrameOperationCallback.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IFrameOperationCallback.java
@@ -40,4 +40,9 @@
* @param th
*/
void fail(Throwable th);
+
+ /**
+ * Called when the task has opened for initialization.
+ */
+ void open() throws HyracksDataException;
}