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Improved support for batched statements.

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This commit is contained in:
Greg Burd 2017-11-08 13:50:39 -05:00
parent a198989a76
commit 5570a97dff
14 changed files with 228 additions and 88 deletions
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35
src/main/java/net/helenus/core/AbstractUnitOfWork.java
View file

@ -18,6 +18,7 @@ package net.helenus.core;
import static net.helenus.core.HelenusSession.deleted;
import com.datastax.driver.core.BatchStatement;
import com.datastax.driver.core.ResultSet;
import com.diffplug.common.base.Errors;
import com.google.common.base.Stopwatch;
import com.google.common.collect.HashBasedTable;
@ -25,10 +26,12 @@ import com.google.common.collect.Table;
import com.google.common.collect.TreeTraverser;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.stream.Collectors;
import net.helenus.core.cache.CacheUtil;
import net.helenus.core.cache.Facet;
import net.helenus.core.operation.AbstractOperation;
import net.helenus.core.operation.BatchOperation;
import net.helenus.support.Either;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -56,7 +59,7 @@ public abstract class AbstractUnitOfWork<E extends Exception>
private boolean aborted = false;
private boolean committed = false;
private long committedAt = 0L;
private List<AbstractOperation<?, ?>> operations = new ArrayList<AbstractOperation<?, ?>>();
private BatchOperation batch;
protected AbstractUnitOfWork(HelenusSession session, AbstractUnitOfWork<E> parent) {
Objects.requireNonNull(session, "containing session cannot be null");
@ -269,7 +272,10 @@ public abstract class AbstractUnitOfWork<E extends Exception>
}
public void batch(AbstractOperation s) {
operations.add(s);
if (batch == null) {
batch = new BatchOperation(session);
}
batch.add(s);
}
private Iterator<AbstractUnitOfWork<E>> getChildNodes() {
@ -282,17 +288,11 @@ public abstract class AbstractUnitOfWork<E extends Exception>
* @return a function from which to chain work that only happens when commit is successful
* @throws E when the work overlaps with other concurrent writers.
*/
public PostCommitFunction<Void, Void> commit() throws E {
public PostCommitFunction<Void, Void> commit() throws E, TimeoutException {
if (operations != null && operations.size() > 0) {
if (parent == null) {
BatchStatement batch = new BatchStatement();
batch.addAll(operations.stream().map(o -> o.buildStatement(false)).collect(Collectors.toList()));
batch.setConsistencyLevel(session.getDefaultConsistencyLevel());
session.getSession().execute(batch);
} else {
parent.operations.addAll(operations);
}
if (batch != null) {
committedAt = batch.sync(this);
//TODO(gburd) update cache with writeTime...
}
// All nested UnitOfWork should be committed (not aborted) before calls to
@ -337,6 +337,7 @@ public abstract class AbstractUnitOfWork<E extends Exception>
// Merge cache and statistics into parent if there is one.
parent.mergeCache(cache);
parent.addBatched(batch);
if (purpose != null) {
parent.nestedPurposes.add(purpose);
}
@ -362,7 +363,15 @@ public abstract class AbstractUnitOfWork<E extends Exception>
return new PostCommitFunction(this, postCommit);
}
/* Explicitly discard the work and mark it as as such in the log. */
private void addBatched(BatchOperation batch) {
if (this.batch == null) {
this.batch = batch;
} else {
this.batch.addAll(batch);
}
}
/* Explicitly discard the work and mark it as as such in the log. */
public synchronized void abort() {
TreeTraverser<AbstractUnitOfWork<E>> traverser =
TreeTraverser.using(node -> node::getChildNodes);

4
src/main/java/net/helenus/core/UnitOfWork.java
View file

@ -19,6 +19,8 @@ import com.datastax.driver.core.Statement;
import com.google.common.base.Stopwatch;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.TimeoutException;
import net.helenus.core.cache.Facet;
import net.helenus.core.operation.AbstractOperation;
@ -40,7 +42,7 @@ public interface UnitOfWork<X extends Exception> extends AutoCloseable {
* @return a function from which to chain work that only happens when commit is successful
* @throws X when the work overlaps with other concurrent writers.
*/
PostCommitFunction<Void, Void> commit() throws X;
PostCommitFunction<Void, Void> commit() throws X, TimeoutException;
/**
* Explicitly abort the work within this unit of work. Any nested aborted unit of work will

11
src/main/java/net/helenus/core/cache/CacheUtil.java vendored
View file

@ -81,6 +81,13 @@ public class CacheUtil {
return combinations;
}
/**
* Merge changed values in the map behind `from` into `to`.
*
* @param to
* @param from
* @return
*/
public static Object merge(Object to, Object from) {
if (to == from) {
return to;
@ -112,7 +119,5 @@ public class CacheUtil {
return "_" + propertyName + "_writeTime";
}
public static String ttlKey(String propertyName) {
return "_" + propertyName + "_ttl";
}
public static String ttlKey(String propertyName) { return "_" + propertyName + "_ttl"; }
}

17
src/main/java/net/helenus/core/operation/AbstractOptionalOperation.java
View file

@ -33,6 +33,7 @@ import net.helenus.core.AbstractSessionOperations;
import net.helenus.core.UnitOfWork;
import net.helenus.core.cache.CacheUtil;
import net.helenus.core.cache.Facet;
import net.helenus.support.Fun;
public abstract class AbstractOptionalOperation<E, O extends AbstractOptionalOperation<E, O>>
extends AbstractStatementOperation<E, O> {
@ -98,9 +99,12 @@ public abstract class AbstractOptionalOperation<E, O extends AbstractOptionalOpe
}
if (updateCache && result.isPresent()) {
List<Facet> facets = getFacets();
if (facets != null && facets.size() > 1) {
sessionOps.updateCache(result.get(), facets);
E r = result.get();
if (!(r instanceof Fun)) {
List<Facet> facets = getFacets();
if (facets != null && facets.size() > 1) {
sessionOps.updateCache(r, facets);
}
}
}
return result;
@ -186,8 +190,11 @@ public abstract class AbstractOptionalOperation<E, O extends AbstractOptionalOpe
// If we have a result, it wasn't from the UOW cache, and we're caching things
// then we need to put this result into the cache for future requests to find.
if (updateCache && result.isPresent() && result.get() != deleted) {
cacheUpdate(uow, result.get(), getFacets());
if (updateCache && result.isPresent()) {
E r = result.get();
if (!(r instanceof Fun) && r != deleted) {
cacheUpdate(uow, r, getFacets());
}
}
return result;

5
src/main/java/net/helenus/core/operation/AbstractStatementOperation.java
View file

@ -43,11 +43,6 @@ import net.helenus.support.HelenusException;
public abstract class AbstractStatementOperation<E, O extends AbstractStatementOperation<E, O>>
extends Operation<E> {
protected boolean showValues = true;
protected TraceContext traceContext;
long queryExecutionTimeout = 10;
TimeUnit queryTimeoutUnits = TimeUnit.SECONDS;
private boolean ignoreCache = false;
private ConsistencyLevel consistencyLevel;
private ConsistencyLevel serialConsistencyLevel;

29
src/main/java/net/helenus/core/operation/AbstractStreamOperation.java
View file

@ -34,6 +34,7 @@ import net.helenus.core.AbstractSessionOperations;
import net.helenus.core.UnitOfWork;
import net.helenus.core.cache.CacheUtil;
import net.helenus.core.cache.Facet;
import net.helenus.support.Fun;
public abstract class AbstractStreamOperation<E, O extends AbstractStreamOperation<E, O>>
extends AbstractStatementOperation<E, O> {
@ -104,7 +105,9 @@ public abstract class AbstractStreamOperation<E, O extends AbstractStreamOperati
List<E> again = new ArrayList<>();
resultStream.forEach(
result -> {
sessionOps.updateCache(result, facets);
if (!(result instanceof Fun)) {
sessionOps.updateCache(result, facets);
}
again.add(result);
});
resultStream = again.stream();
@ -184,18 +187,18 @@ public abstract class AbstractStreamOperation<E, O extends AbstractStreamOperati
// If we have a result and we're caching then we need to put it into the cache
// for future requests to find.
if (resultStream != null) {
List<E> again = new ArrayList<>();
List<Facet> facets = getFacets();
resultStream.forEach(
result -> {
if (result != deleted) {
if (updateCache) {
cacheUpdate(uow, result, facets);
}
again.add(result);
}
});
resultStream = again.stream();
if (updateCache) {
List<E> again = new ArrayList<>();
List<Facet> facets = getFacets();
resultStream.forEach(
result -> {
if (result != deleted && !(result instanceof Fun)) {
cacheUpdate(uow, result, facets);
}
again.add(result);
});
resultStream = again.stream();
}
}
return resultStream;

108
src/main/java/net/helenus/core/operation/BatchOperation.java Normal file
View file

@ -0,0 +1,108 @@
/*
* Copyright (C) 2015 The Helenus Authors
*
* Licensed 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 net.helenus.core.operation;
import com.codahale.metrics.Timer;
import com.datastax.driver.core.BatchStatement;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.querybuilder.BuiltStatement;
import net.helenus.core.AbstractSessionOperations;
import net.helenus.core.UnitOfWork;
import net.helenus.support.HelenusException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeoutException;
import java.util.stream.Collectors;
public class BatchOperation extends Operation<Long> {
private BatchStatement batch = null;
private List<AbstractOperation<?, ?>> operations = new ArrayList<AbstractOperation<?, ?>>();
private boolean logged = false;
private long timestamp = 0L;
public BatchOperation(AbstractSessionOperations sessionOperations) {
super(sessionOperations);
}
public void add(AbstractOperation<?, ?> operation) {
operations.add(operation);
}
@Override
public BatchStatement buildStatement(boolean cached) {
batch = new BatchStatement();
batch.addAll(operations.stream().map(o -> o.buildStatement(cached)).collect(Collectors.toList()));
batch.setConsistencyLevel(sessionOps.getDefaultConsistencyLevel());
timestamp = batch.getDefaultTimestamp();
return batch;
}
public BatchOperation logged() {
logged = true;
return this;
}
public BatchOperation setLogged(boolean logStatements) {
logged = logStatements;
return this;
}
public Long sync() throws TimeoutException {
if (operations.size() == 0) return 0L;
final Timer.Context context = requestLatency.time();
try {
ResultSet resultSet = this.execute(sessionOps, null, traceContext, queryExecutionTimeout, queryTimeoutUnits, showValues, false);
if (!resultSet.wasApplied()) {
throw new HelenusException("Failed to apply batch.");
}
} finally {
context.stop();
}
return timestamp;
}
public Long sync(UnitOfWork<?> uow) throws TimeoutException {
if (operations.size() == 0) return 0L;
if (uow == null)
return sync();
final Timer.Context context = requestLatency.time();
try {
ResultSet resultSet = this.execute(sessionOps, uow, traceContext, queryExecutionTimeout, queryTimeoutUnits, showValues, false);
if (!resultSet.wasApplied()) {
throw new HelenusException("Failed to apply batch.");
}
} finally {
context.stop();
}
return timestamp;
}
public void addAll(BatchOperation batch) {
batch.operations.forEach(o -> this.operations.add(o));
}
public String toString() {
StringBuilder s = new StringBuilder();
s.append("BEGIN ");
if (!logged) { s.append("UN"); }
s.append("LOGGED BATCH; ");
s.append(operations.stream().map(o -> Operation.queryString(o.buildStatement(false), showValues)).collect(Collectors.joining("; ")));
s.append(" APPLY BATCH;");
return s.toString();
}
}

22
src/main/java/net/helenus/core/operation/InsertOperation.java
View file

@ -56,6 +56,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
private int[] ttl;
private long[] timestamp;
private long writeTime = 0L;
public InsertOperation(AbstractSessionOperations sessionOperations, boolean ifNotExists) {
super(sessionOperations);
@ -166,6 +167,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
insert.using(QueryBuilder.timestamp(this.timestamp[0]));
}
writeTime = timestamp == null ? insert.getDefaultTimestamp() : timestamp[0];
return insert;
}
@ -191,8 +193,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
if (backingMap.containsKey(key)) {
// Some values man need to be converted (e.g. from String to Enum). This is done
// within the BeanColumnValueProvider below.
Optional<Function<Object, Object>> converter =
prop.getReadConverter(sessionOps.getSessionRepository());
Optional<Function<Object, Object>> converter = prop.getReadConverter(sessionOps.getSessionRepository());
if (converter.isPresent()) {
backingMap.put(key, converter.get().apply(backingMap.get(key)));
}
@ -200,8 +201,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
// If we started this operation with an instance of this type, use values from
// that.
if (pojo != null) {
backingMap.put(
key, BeanColumnValueProvider.INSTANCE.getColumnValue(pojo, -1, prop, immutable));
backingMap.put(key, BeanColumnValueProvider.INSTANCE.getColumnValue(pojo, -1, prop, immutable));
} else {
// Otherwise we'll use default values for the property type if available.
Class<?> propType = prop.getJavaType();
@ -250,7 +250,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
}
protected void adjustTtlAndWriteTime(MapExportable pojo) {
if (ttl != null || timestamp != null) {
if (ttl != null || writeTime != 0L) {
List<String> propertyNames = values.stream()
.map(t -> t._1.getProperty())
.filter(prop -> {
@ -262,15 +262,15 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
return true;
}
})
.map(prop -> prop.getColumnName().toCql(true))
.map(prop -> prop.getColumnName().toCql(false))
.collect(Collectors.toList());
if (propertyNames.size() > 0) {
if (ttl != null) {
propertyNames.forEach(name -> pojo.put(CacheUtil.ttlKey(name), ttl));
}
if (timestamp != null) {
propertyNames.forEach(name -> pojo.put(CacheUtil.writeTimeKey(name), timestamp));
if (writeTime != 0L) {
propertyNames.forEach(name -> pojo.put(CacheUtil.writeTimeKey(name), writeTime));
}
}
}
@ -280,8 +280,8 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
public T sync() throws TimeoutException {
T result = super.sync();
if (entity.isCacheable() && result != null) {
sessionOps.updateCache(result, bindFacetValues());
adjustTtlAndWriteTime((MapExportable)result);
sessionOps.updateCache(result, bindFacetValues());
}
return result;
}
@ -303,8 +303,8 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
}
Class<?> iface = entity.getMappingInterface();
if (resultType == iface) {
adjustTtlAndWriteTime((MapExportable)result);
cacheUpdate(uow, result, bindFacetValues());
adjustTtlAndWriteTime((MapExportable)pojo);
} else {
if (entity.isCacheable()) {
sessionOps.cacheEvict(bindFacetValues());
@ -321,8 +321,8 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
if (this.entity != null && pojo != null) {
Class<?> iface = this.entity.getMappingInterface();
if (resultType == iface) {
cacheUpdate(uow, pojo, bindFacetValues());
adjustTtlAndWriteTime((MapExportable)pojo);
cacheUpdate(uow, pojo, bindFacetValues());
uow.batch(this);
return (T) pojo;
}

6
src/main/java/net/helenus/core/operation/Operation.java
View file

@ -42,6 +42,10 @@ public abstract class Operation<E> {
private static final Logger LOG = LoggerFactory.getLogger(Operation.class);
protected final AbstractSessionOperations sessionOps;
protected boolean showValues = true;
protected TraceContext traceContext;
protected long queryExecutionTimeout = 10;
protected TimeUnit queryTimeoutUnits = TimeUnit.SECONDS;
protected final Meter uowCacheHits;
protected final Meter uowCacheMiss;
protected final Meter sessionCacheHits;
@ -177,7 +181,7 @@ public abstract class Operation<E> {
timerString = String.format(" %s ", timer.toString());
}
LOG.info(
String.format("%s%s%s", uowString, timerString, Operation.queryString(statement, false)));
String.format("%s%s%s", uowString, timerString, Operation.queryString(statement, showValues)));
}
}

11
src/main/java/net/helenus/core/operation/SelectOperation.java
View file

@ -94,13 +94,10 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
.forEach(p -> this.props.add(p));
this.isCacheable = entity.isCacheable();
this.implementsEntityType = MappingUtil.extendsInterface(entity.getMappingInterface(), Entity.class);
this.implementsEntityType = Entity.class.isAssignableFrom(entity.getMappingInterface());
}
public SelectOperation(
AbstractSessionOperations sessionOperations,
HelenusEntity entity,
Function<Row, E> rowMapper) {
public SelectOperation(AbstractSessionOperations sessionOperations, HelenusEntity entity, Function<Row, E> rowMapper) {
super(sessionOperations);
this.rowMapper = rowMapper;
@ -112,7 +109,7 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
.forEach(p -> this.props.add(p));
this.isCacheable = entity.isCacheable();
this.implementsEntityType = MappingUtil.extendsInterface(entity.getMappingInterface(), Entity.class);
this.implementsEntityType = Entity.class.isAssignableFrom(entity.getMappingInterface());
}
public SelectOperation(AbstractSessionOperations sessionOperations, Function<Row, E> rowMapper,
@ -125,7 +122,7 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
HelenusEntity entity = props[0].getEntity();
this.isCacheable = entity.isCacheable();
this.implementsEntityType = MappingUtil.extendsInterface(entity.getMappingInterface(), Entity.class);
this.implementsEntityType = Entity.class.isAssignableFrom(entity.getMappingInterface());
}
public CountOperation count() {

15
src/main/java/net/helenus/core/operation/UpdateOperation.java
View file

@ -51,6 +51,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
private Object pojo;
private int[] ttl;
private long[] timestamp;
private long writeTime = 0L;
public UpdateOperation(AbstractSessionOperations sessionOperations) {
super(sessionOperations);
@ -719,6 +720,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
update.using(QueryBuilder.timestamp(this.timestamp[0]));
}
writeTime = timestamp == null ? update.getDefaultTimestamp() : timestamp[0];
return update;
}
@ -760,11 +762,11 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
}
private void adjustTtlAndWriteTime(MapExportable pojo) {
if (ttl != null || timestamp != null) {
if (ttl != null || writeTime != 0L) {
List<String> names = new ArrayList<String>(assignments.size());
for (BoundFacet facet : assignments.values()) {
for (HelenusProperty prop : facet.getProperties()) {
names.add(prop.getColumnName().toCql(true));
names.add(prop.getColumnName().toCql(false));
}
}
@ -772,8 +774,8 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
if (ttl != null) {
names.forEach(name -> pojo.put(CacheUtil.ttlKey(name), ttl));
}
if (timestamp != null) {
names.forEach(name -> pojo.put(CacheUtil.writeTimeKey(name), timestamp));
if (writeTime != 0L) {
names.forEach(name -> pojo.put(CacheUtil.writeTimeKey(name), writeTime));
}
}
}
@ -803,8 +805,11 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
}
E result = super.sync(uow);
if (draft != null) {
cacheUpdate(uow, result, bindFacetValues());
adjustTtlAndWriteTime(draft);
if (entity != null && MapExportable.class.isAssignableFrom(entity.getMappingInterface())) {
adjustTtlAndWriteTime((MapExportable) result);
}
cacheUpdate(uow, result, bindFacetValues());
} else if (pojo != null) {
cacheUpdate(uow, (E) pojo, bindFacetValues());
adjustTtlAndWriteTime((MapExportable)pojo);

8
src/main/java/net/helenus/core/reflect/MapperInvocationHandler.java
View file

@ -122,13 +122,13 @@ public class MapperInvocationHandler<E> implements InvocationHandler, Serializab
key = CacheUtil.writeTimeKey((String)args[0]);
} else if (args[0] instanceof Getter) {
Getter getter = (Getter)args[0];
key = CacheUtil.writeTimeKey(MappingUtil.resolveMappingProperty(getter).getProperty().getPropertyName());
key = CacheUtil.writeTimeKey(MappingUtil.resolveMappingProperty(getter).getProperty().getColumnName().toCql(false));
} else {
return 0L;
}
long[] v = (long[])src.get(key);
Long v = (Long)src.get(key);
if (v != null) {
return v[0];
return v;
}
return 0L;
}
@ -139,7 +139,7 @@ public class MapperInvocationHandler<E> implements InvocationHandler, Serializab
key = CacheUtil.ttlKey((String)args[0]);
} else if (args[0] instanceof Getter) {
Getter getter = (Getter)args[0];
key = CacheUtil.ttlKey(MappingUtil.resolveMappingProperty(getter).getProperty().getColumnName().toCql(true));
key = CacheUtil.ttlKey(MappingUtil.resolveMappingProperty(getter).getProperty().getColumnName().toCql(false));
} else {
return 0;
}

9
src/main/java/net/helenus/mapping/MappingUtil.java
View file

@ -314,15 +314,6 @@ public final class MappingUtil {
}
}
public static boolean extendsInterface(Class<?> clazz, Class<?> iface) {
Class<?>[] interfaces = clazz.getInterfaces();
for (Class<?> i : interfaces) {
if (i == iface)
return true;
}
return false;
}
private static void rethrow(Throwable cause) throws CloneNotSupportedException {
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;

36
src/test/java/net/helenus/test/integration/core/unitofwork/UnitOfWorkTest.java
View file

@ -347,19 +347,19 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
@Test
public void testBatchingUpdatesAndInserts() throws Exception {
Widget w1, w2, w3, w4, w5;
Widget w1, w2, w3, w4, w5, w6;
Long committedAt = 0L;
UUID key = UUIDs.timeBased();
try (UnitOfWork uow = session.begin()) {
w1 = session.<Widget>upsert(widget)
.value(widget::id, key)
.value(widget::name, RandomString.make(20))
.value(widget::a, RandomString.make(10))
.value(widget::b, RandomString.make(10))
.value(widget::c, RandomString.make(10))
.value(widget::d, RandomString.make(10))
.batch(uow);
w1 = session.<Widget>upsert(widget)
.value(widget::id, key)
.value(widget::name, RandomString.make(20))
.value(widget::a, RandomString.make(10))
.value(widget::b, RandomString.make(10))
.value(widget::c, RandomString.make(10))
.value(widget::d, RandomString.make(10))
.batch(uow);
Assert.assertTrue(0L == w1.writtenAt(widget::name));
Assert.assertTrue(0 == w1.ttlOf(widget::name));
w2 = session.<Widget>update(w1)
@ -378,7 +378,17 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
Assert.assertEquals(w2, w3);
Assert.assertTrue(0L == w3.writtenAt(widget::name));
Assert.assertTrue(30 <= w3.ttlOf(widget::name));
uow.commit();
w6 = session.<Widget>upsert(widget)
.value(widget::id, UUIDs.timeBased())
.value(widget::name, RandomString.make(20))
.value(widget::a, RandomString.make(10))
.value(widget::b, RandomString.make(10))
.value(widget::c, RandomString.make(10))
.value(widget::d, RandomString.make(10))
.batch(uow);
uow.commit();
committedAt = uow.committedAt();
}
// 'c' is distinct, but not on it's own so this should miss cache
@ -401,6 +411,7 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
Assert.assertTrue(w5.writtenAt(widget::name) == committedAt);
int ttl5 = w5.ttlOf(widget::name);
Assert.assertTrue(ttl5 <= 30);
Assert.assertTrue(w4.writtenAt(widget::name) == w6.writtenAt(widget::name));
}
@Test
@ -414,6 +425,7 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
.value(widget::id, key1)
.value(widget::name, RandomString.make(20))
.sync(uow);
/*
w2 = session.<Widget>upsert(w1)
.value(widget::a, RandomString.make(10))
.value(widget::b, RandomString.make(10))
@ -421,8 +433,10 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
.value(widget::d, RandomString.make(10))
.sync(uow);
uow.commit();
*/
uow.abort();
}
//TODO(gburd): Assert.assertEquals(w1, w2);
//Assert.assertEquals(w1, w2);
}
@Test public void testSelectAfterInsertProperlyCachesEntity() throws