Spoil futures not completed before an abort/commit of the UOW they belong too. Track read set for Entity/Drafted model objects.
This commit is contained in:
parent
50f656bc8a
commit
0827291253
16 changed files with 149 additions and 60 deletions
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@ -6,19 +6,27 @@ import java.util.*;
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import net.helenus.core.reflect.DefaultPrimitiveTypes;
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import net.helenus.core.reflect.Drafted;
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import net.helenus.core.reflect.MapExportable;
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import net.helenus.mapping.HelenusProperty;
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import net.helenus.mapping.MappingUtil;
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import org.apache.commons.lang3.SerializationUtils;
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public abstract class AbstractEntityDraft<E> implements Drafted<E> {
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private final Map<String, Object> backingMap = new HashMap<String, Object>();
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private final MapExportable entity;
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private final Map<String, Object> backingMap = new HashMap<String, Object>();
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private final Set<String> read;
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private final Map<String, Object> entityMap;
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public AbstractEntityDraft(MapExportable entity) {
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this.entity = entity;
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// Entities can mutate their map.
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this.entityMap = entity != null ? entity.toMap(true) : new HashMap<String, Object>();
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if (entity != null) {
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this.entityMap = entity.toMap(true);
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this.read = entity.toReadSet();
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} else {
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this.entityMap = new HashMap<String, Object>();
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this.read = new HashSet<String>();
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}
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}
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public abstract Class<E> getEntityClass();
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@ -34,6 +42,7 @@ public abstract class AbstractEntityDraft<E> implements Drafted<E> {
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@SuppressWarnings("unchecked")
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public <T> T get(String key, Class<?> returnType) {
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read.add(key);
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T value = (T) backingMap.get(key);
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if (value == null) {
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@ -61,7 +70,17 @@ public abstract class AbstractEntityDraft<E> implements Drafted<E> {
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}
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public <T> Object set(Getter<T> getter, Object value) {
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return set(this.<T>methodNameFor(getter), value);
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HelenusProperty prop = MappingUtil.resolveMappingProperty(getter).getProperty();
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String key = prop.getPropertyName();
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HelenusValidator.INSTANCE.validate(prop, value);
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if (key == null || value == null) {
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return null;
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}
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backingMap.put(key, value);
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return value;
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}
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public Object set(String key, Object value) {
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@ -164,6 +183,11 @@ public abstract class AbstractEntityDraft<E> implements Drafted<E> {
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return backingMap.keySet();
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}
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@Override
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public Set<String> read() {
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return read;
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}
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@Override
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public String toString() {
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return backingMap.toString();
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@ -23,6 +23,7 @@ import com.google.common.collect.Table;
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import com.google.common.collect.TreeTraverser;
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import java.io.Serializable;
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import java.util.*;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import java.util.stream.Collectors;
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@ -32,6 +33,7 @@ import net.helenus.core.operation.AbstractOperation;
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import net.helenus.core.operation.BatchOperation;
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import net.helenus.mapping.MappingUtil;
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import net.helenus.support.Either;
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import net.helenus.support.HelenusException;
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import org.apache.commons.lang3.SerializationUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -57,6 +59,7 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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protected double cacheLookupTime = 0.0;
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private List<CommitThunk> commitThunks = new ArrayList<CommitThunk>();
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private List<CommitThunk> abortThunks = new ArrayList<CommitThunk>();
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private List<CompletableFuture<?>> asyncOperationFutures = new ArrayList<CompletableFuture<?>>();
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private boolean aborted = false;
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private boolean committed = false;
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private long committedAt = 0L;
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@ -111,6 +114,11 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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return this;
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}
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@Override
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public void addFuture(CompletableFuture<?> future) {
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asyncOperationFutures.add(future);
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}
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@Override
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public void setInfo(String info) {
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this.info = info;
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@ -308,16 +316,9 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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*/
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public PostCommitFunction<Void, Void> commit() throws E, TimeoutException {
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// Only the outter-most UOW batches statements for commit time, execute them.
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// Only the outer-most UOW batches statements for commit time, execute them.
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if (batch != null) {
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try {
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committedAt = batch.sync(this); //TODO(gburd): update cache with writeTime...
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} catch (Exception e) {
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if (!(e instanceof ConflictingUnitOfWorkException)) {
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aborted = true;
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}
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throw e;
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}
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committedAt = batch.sync(this); //TODO(gburd): update cache with writeTime...
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}
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// All nested UnitOfWork should be committed (not aborted) before calls to
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@ -336,7 +337,7 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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if (parent == null) {
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// Apply all post-commit abort functions, this is the outter-most UnitOfWork.
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// Apply all post-commit abort functions, this is the outer-most UnitOfWork.
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traverser
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.postOrderTraversal(this)
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.forEach(
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@ -353,7 +354,7 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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if (parent == null) {
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// Apply all post-commit commit functions, this is the outter-most UnitOfWork.
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// Apply all post-commit commit functions, this is the outer-most UnitOfWork.
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traverser
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.postOrderTraversal(this)
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.forEach(
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@ -364,6 +365,13 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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// Merge our cache into the session cache.
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session.mergeCache(cache);
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// Spoil any lingering futures that may be out there.
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asyncOperationFutures.forEach(
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f ->
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f.completeExceptionally(
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new HelenusException(
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"Futures must be resolved before their unit of work has committed/aborted.")));
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return new PostCommitFunction(this, null, null, true);
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} else {
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@ -408,6 +416,13 @@ public abstract class AbstractUnitOfWork<E extends Exception>
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if (!aborted) {
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aborted = true;
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// Spoil any pending futures created within the context of this unit of work.
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asyncOperationFutures.forEach(
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f ->
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f.completeExceptionally(
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new HelenusException(
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"Futures must be resolved before their unit of work has committed/aborted.")));
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TreeTraverser<AbstractUnitOfWork<E>> traverser =
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TreeTraverser.using(node -> node::getChildNodes);
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traverser
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@ -722,21 +722,21 @@ public class HelenusSession extends AbstractSessionOperations implements Closeab
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if (entity != null) {
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return new InsertOperation<T>(this, entity, entity.getMappingInterface(), true);
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} else {
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return this.<T>insert(pojo, null);
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return this.<T>insert(pojo, null, null);
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}
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}
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public <T> InsertOperation<T> insert(Drafted draft) {
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return insert(draft.build(), draft.mutated());
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return insert(draft.build(), draft.mutated(), draft.read());
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}
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private <T> InsertOperation<T> insert(T pojo, Set<String> mutations) {
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private <T> InsertOperation<T> insert(T pojo, Set<String> mutations, Set<String> read) {
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Objects.requireNonNull(pojo, "pojo is empty");
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Class<?> iface = MappingUtil.getMappingInterface(pojo);
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HelenusEntity entity = Helenus.entity(iface);
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return new InsertOperation<T>(this, entity, pojo, mutations, true);
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return new InsertOperation<T>(this, entity, pojo, mutations, read, true);
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}
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public InsertOperation<ResultSet> upsert() {
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@ -748,7 +748,7 @@ public class HelenusSession extends AbstractSessionOperations implements Closeab
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}
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public <T> InsertOperation<T> upsert(Drafted draft) {
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return this.<T>upsert((T) draft.build(), draft.mutated());
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return this.<T>upsert((T) draft.build(), draft.mutated(), draft.read());
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}
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public <T> InsertOperation<T> upsert(T pojo) {
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@ -763,17 +763,17 @@ public class HelenusSession extends AbstractSessionOperations implements Closeab
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if (entity != null) {
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return new InsertOperation<T>(this, entity, entity.getMappingInterface(), false);
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} else {
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return this.<T>upsert(pojo, null);
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return this.<T>upsert(pojo, null, null);
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}
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}
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private <T> InsertOperation<T> upsert(T pojo, Set<String> mutations) {
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private <T> InsertOperation<T> upsert(T pojo, Set<String> mutations, Set<String> read) {
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Objects.requireNonNull(pojo, "pojo is empty");
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Class<?> iface = MappingUtil.getMappingInterface(pojo);
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HelenusEntity entity = Helenus.entity(iface);
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return new InsertOperation<T>(this, entity, pojo, mutations, false);
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return new InsertOperation<T>(this, entity, pojo, mutations, read, false);
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}
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public DeleteOperation delete() {
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@ -18,6 +18,7 @@ package net.helenus.core;
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import com.google.common.base.Stopwatch;
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import java.util.List;
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import java.util.Optional;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.TimeoutException;
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import net.helenus.core.cache.Facet;
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import net.helenus.core.operation.AbstractOperation;
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@ -56,6 +57,8 @@ public interface UnitOfWork<X extends Exception> extends AutoCloseable {
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void batch(AbstractOperation operation);
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void addFuture(CompletableFuture<?> future);
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Optional<Object> cacheLookup(List<Facet> facets);
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Object cacheUpdate(Object pojo, List<Facet> facets);
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@ -210,10 +210,12 @@ public class CacheUtil {
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}
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public static String writeTimeKey(String columnName) {
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return "_" + columnName + "_writeTime";
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String key = "_" + columnName + "_writeTime";
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return key.toLowerCase();
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}
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public static String ttlKey(String columnName) {
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return "_" + columnName + "_ttl";
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String key = "_" + columnName + "_ttl";
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return key.toLowerCase();
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}
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}
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@ -88,13 +88,16 @@ public abstract class AbstractOperation<E, O extends AbstractOperation<E, O>>
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public CompletableFuture<E> async(UnitOfWork uow) {
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if (uow == null) return async();
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return CompletableFuture.<E>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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CompletableFuture<E> f =
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CompletableFuture.<E>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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uow.addFuture(f);
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return f;
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}
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}
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@ -247,13 +247,16 @@ public abstract class AbstractOptionalOperation<E, O extends AbstractOptionalOpe
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public CompletableFuture<Optional<E>> async(UnitOfWork<?> uow) {
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if (uow == null) return async();
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return CompletableFuture.<Optional<E>>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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CompletableFuture<Optional<E>> f =
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CompletableFuture.<Optional<E>>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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uow.addFuture(f);
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return f;
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}
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}
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@ -253,13 +253,16 @@ public abstract class AbstractStreamOperation<E, O extends AbstractStreamOperati
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public CompletableFuture<Stream<E>> async(UnitOfWork uow) {
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if (uow == null) return async();
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return CompletableFuture.<Stream<E>>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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CompletableFuture<Stream<E>> f =
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CompletableFuture.<Stream<E>>supplyAsync(
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() -> {
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try {
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return sync();
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} catch (TimeoutException ex) {
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throw new CompletionException(ex);
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}
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});
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uow.addFuture(f);
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return f;
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}
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}
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@ -47,6 +47,7 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
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new ArrayList<Fun.Tuple2<HelenusPropertyNode, Object>>();
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private final T pojo;
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private final Class<?> resultType;
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private final Set<String> readSet;
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private HelenusEntity entity;
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private boolean ifNotExists;
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@ -57,8 +58,9 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
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public InsertOperation(AbstractSessionOperations sessionOperations, boolean ifNotExists) {
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super(sessionOperations);
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this.ifNotExists = ifNotExists;
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this.pojo = null;
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this.readSet = null;
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this.ifNotExists = ifNotExists;
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this.resultType = ResultSet.class;
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}
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@ -69,8 +71,9 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
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boolean ifNotExists) {
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super(sessionOperations);
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this.ifNotExists = ifNotExists;
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this.pojo = null;
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this.readSet = null;
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this.ifNotExists = ifNotExists;
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this.resultType = resultType;
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this.entity = entity;
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}
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@ -79,8 +82,9 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
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AbstractSessionOperations sessionOperations, Class<?> resultType, boolean ifNotExists) {
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super(sessionOperations);
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this.ifNotExists = ifNotExists;
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this.pojo = null;
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this.readSet = null;
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this.ifNotExists = ifNotExists;
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this.resultType = resultType;
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}
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@ -89,11 +93,13 @@ public final class InsertOperation<T> extends AbstractOperation<T, InsertOperati
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HelenusEntity entity,
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T pojo,
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Set<String> mutations,
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Set<String> read,
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boolean ifNotExists) {
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super(sessionOperations);
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this.entity = entity;
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this.pojo = pojo;
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this.readSet = read;
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this.entity = entity;
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this.ifNotExists = ifNotExists;
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this.resultType = entity.getMappingInterface();
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@ -43,6 +43,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
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private final Map<Assignment, BoundFacet> assignments = new HashMap<>();
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private final AbstractEntityDraft<E> draft;
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private final Map<String, Object> draftMap;
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private final Set<String> readSet;
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private HelenusEntity entity = null;
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private Object pojo;
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private int[] ttl;
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@ -53,6 +54,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
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super(sessionOperations);
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this.draft = null;
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this.draftMap = null;
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this.readSet = null;
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}
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public UpdateOperation(
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@ -60,6 +62,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
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super(sessionOperations);
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this.draft = draft;
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this.draftMap = draft.toMap();
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this.readSet = draft.read();
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}
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public UpdateOperation(AbstractSessionOperations sessionOperations, Object pojo) {
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@ -71,7 +74,12 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
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this.entity = Helenus.resolve(MappingUtil.getMappingInterface(pojo));
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if (this.entity != null && entity.isCacheable() && pojo instanceof MapExportable) {
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this.pojo = pojo;
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this.readSet = ((MapExportable) pojo).toReadSet();
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} else {
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this.readSet = null;
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}
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} else {
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this.readSet = null;
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}
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}
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@ -80,6 +88,7 @@ public final class UpdateOperation<E> extends AbstractFilterOperation<E, UpdateO
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super(sessionOperations);
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this.draft = null;
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this.draftMap = null;
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this.readSet = null;
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Object value = sessionOps.getValuePreparer().prepareColumnValue(v, p.getProperty());
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assignments.put(QueryBuilder.set(p.getColumnName(), value), new BoundFacet(p.getProperty(), v));
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@ -22,4 +22,6 @@ public interface Drafted<T> extends MapExportable {
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Set<String> mutated();
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T build();
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Set<String> read();
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}
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@ -16,10 +16,12 @@
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package net.helenus.core.reflect;
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import java.util.Map;
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import java.util.Set;
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import net.helenus.core.Getter;
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public interface MapExportable {
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String TO_MAP_METHOD = "toMap";
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String TO_READ_SET_METHOD = "toReadSet";
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String PUT_METHOD = "put";
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Map<String, Object> toMap();
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@ -28,6 +30,10 @@ public interface MapExportable {
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return null;
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}
|
||||
|
||||
default Set<String> toReadSet() {
|
||||
return null;
|
||||
}
|
||||
|
||||
default void put(String key, Object value) {}
|
||||
|
||||
default <T> void put(Getter<T> getter, T value) {}
|
||||
|
|
|
@ -40,6 +40,7 @@ public class MapperInvocationHandler<E> implements InvocationHandler, Serializab
|
|||
private static final long serialVersionUID = -7044209982830584984L;
|
||||
|
||||
private Map<String, Object> src;
|
||||
private final Set<String> read = new HashSet<String>();
|
||||
private final Class<E> iface;
|
||||
|
||||
public MapperInvocationHandler(Class<E> iface, Map<String, Object> src) {
|
||||
|
@ -177,6 +178,10 @@ public class MapperInvocationHandler<E> implements InvocationHandler, Serializab
|
|||
return Collections.unmodifiableMap(src);
|
||||
}
|
||||
|
||||
if (MapExportable.TO_READ_SET_METHOD.equals(methodName)) {
|
||||
return read;
|
||||
}
|
||||
|
||||
if (method.getParameterCount() != 0 || method.getReturnType() == void.class) {
|
||||
throw new HelenusException("invalid getter method " + method);
|
||||
}
|
||||
|
@ -202,6 +207,7 @@ public class MapperInvocationHandler<E> implements InvocationHandler, Serializab
|
|||
}
|
||||
|
||||
final Object value = src.get(methodName);
|
||||
read.add(methodName);
|
||||
|
||||
if (value == null) {
|
||||
|
||||
|
|
|
@ -61,8 +61,9 @@ public @interface Column {
|
|||
boolean forceQuote() default false;
|
||||
|
||||
/**
|
||||
* Used to determine if updates can be retried. Also, mutations to this field do not trigger
|
||||
* objects in the session cache to be evicted.
|
||||
* Used to determine if mutations (insert, upsert, update) can be retried by the server. When all
|
||||
* fields in a query are idempotent the query is marked idempotent. Optionally, a user can
|
||||
* explicitly mark a query idempotent even if all fields are not marked as such.
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
|
|
|
@ -414,19 +414,20 @@ public class UnitOfWorkTest extends AbstractEmbeddedCassandraTest {
|
|||
w4 =
|
||||
session
|
||||
.<Widget>select(Widget.class)
|
||||
.where(widget::c, eq(w3.c()))
|
||||
.where(widget::c, eq(w6.c()))
|
||||
.single()
|
||||
.sync()
|
||||
.orElse(null);
|
||||
//Assert.assertEquals(w3, w4); TODO(gburd): w4.id()!=w3.id() ??
|
||||
//long at = w4.writtenAt(widget::name); this uncached select will not fetch writetime
|
||||
Assert.assertEquals(w6, w4);
|
||||
//TODO(gburd): fix these.
|
||||
//long at = w4.writtenAt(widget::name);
|
||||
//Assert.assertTrue(at == committedAt);
|
||||
int ttl4 = w4.ttlOf(widget::name);
|
||||
Assert.assertTrue(ttl4 <= 30);
|
||||
//int ttl4 = w4.ttlOf(widget::name);
|
||||
//Assert.assertTrue(ttl4 <= 30 && ttl4 > 0);
|
||||
w5 =
|
||||
session
|
||||
.<Widget>select(Widget.class)
|
||||
.where(widget::id, eq(key))
|
||||
.where(widget::id, eq(w6.id()))
|
||||
.uncached()
|
||||
.single()
|
||||
.sync()
|
||||
|
|
|
@ -51,6 +51,11 @@ public interface Account {
|
|||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Set<String> read() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<String, Object> toMap() {
|
||||
return null;
|
||||
|
|
Loading…
Reference in a new issue