Add DeleteBatchingAggregateChange to batch DeleteRoot actions.

Original pull request #1231
See #537
This commit is contained in:
Chirag Tailor
2022-04-21 21:05:41 -05:00
committed by Jens Schauder
parent 483b30e8c2
commit 1a283fa406
12 changed files with 175 additions and 9 deletions

View File

@@ -98,6 +98,8 @@ class AggregateChangeExecutor {
executionContext.executeDeleteAll((DbAction.DeleteAll<?>) action);
} else if (action instanceof DbAction.DeleteRoot) {
executionContext.executeDeleteRoot((DbAction.DeleteRoot<?>) action);
} else if (action instanceof DbAction.BatchDeleteRoot) {
executionContext.executeBatchDeleteRoot((DbAction.BatchDeleteRoot<?>) action);
} else if (action instanceof DbAction.DeleteAllRoot) {
executionContext.executeDeleteAllRoot((DbAction.DeleteAllRoot<?>) action);
} else if (action instanceof DbAction.AcquireLockRoot) {

View File

@@ -131,6 +131,12 @@ class JdbcAggregateChangeExecutionContext {
}
}
<T> void executeBatchDeleteRoot(DbAction.BatchDeleteRoot<T> batchDelete) {
List<Object> rootIds = batchDelete.getActions().stream().map(DbAction.DeleteRoot::getId).toList();
accessStrategy.delete(rootIds, batchDelete.getEntityType());
}
<T> void executeDelete(DbAction.Delete<T> delete) {
accessStrategy.delete(delete.getRootId(), delete.getPropertyPath());

View File

@@ -79,6 +79,11 @@ public class CascadingDataAccessStrategy implements DataAccessStrategy {
collectVoid(das -> das.delete(id, domainType));
}
@Override
public void delete(Iterable<Object> ids, Class<?> domainType) {
collectVoid(das -> das.delete(ids, domainType));
}
@Override
public <T> void deleteWithVersion(Object id, Class<T> domainType, Number previousVersion) {
collectVoid(das -> das.deleteWithVersion(id, domainType, previousVersion));

View File

@@ -130,6 +130,20 @@ public interface DataAccessStrategy extends RelationResolver {
*/
void delete(Object id, Class<?> domainType);
/**
* Deletes multiple rows identified by the ids, from the table identified by the domainType. Does not handle cascading
* deletes.
* <P>
* The statement will be of the form : {@code DELETE FROM … WHERE ID IN (:ids) } and throw an optimistic record
* locking exception if no rows have been updated.
*
* @param ids the ids of the rows to be deleted. Must not be {@code null}.
* @param domainType the type of entity to be deleted. Implicitly determines the table to operate on. Must not be
* {@code null}.
* @since 3.0
*/
void delete(Iterable<Object> ids, Class<?> domainType);
/**
* Deletes a single entity from the database and enforce optimistic record locking using the version property. Does
* not handle cascading deletes.
@@ -155,7 +169,8 @@ public interface DataAccessStrategy extends RelationResolver {
/**
* Deletes all entities reachable via {@literal propertyPath} from the instances identified by {@literal rootIds}.
*
* @param rootIds Ids of the root objects on which the {@literal propertyPath} is based. Must not be {@code null} or empty.
* @param rootIds Ids of the root objects on which the {@literal propertyPath} is based. Must not be {@code null} or
* empty.
* @param propertyPath Leading from the root object to the entities to be deleted. Must not be {@code null}.
*/
void delete(Iterable<Object> rootIds, PersistentPropertyPath<RelationalPersistentProperty> propertyPath);

View File

@@ -163,6 +163,15 @@ public class DefaultDataAccessStrategy implements DataAccessStrategy {
operations.update(deleteByIdSql, parameter);
}
@Override
public void delete(Iterable<Object> ids, Class<?> domainType) {
String deleteByIdInSql = sql(domainType).getDeleteByIdIn();
SqlParameterSource parameter = sqlParametersFactory.forQueryByIds(ids, domainType);
operations.update(deleteByIdInSql, parameter);
}
@Override
public <T> void deleteWithVersion(Object id, Class<T> domainType, Number previousVersion) {

View File

@@ -81,6 +81,11 @@ public class DelegatingDataAccessStrategy implements DataAccessStrategy {
delegate.delete(id, domainType);
}
@Override
public void delete(Iterable<Object> ids, Class<?> domainType) {
delegate.delete(ids, domainType);
}
@Override
public <T> void deleteWithVersion(Object id, Class<T> domainType, Number previousVersion) {
delegate.deleteWithVersion(id, domainType, previousVersion);

View File

@@ -79,8 +79,10 @@ class SqlGenerator {
private final Lazy<String> updateSql = Lazy.of(this::createUpdateSql);
private final Lazy<String> updateWithVersionSql = Lazy.of(this::createUpdateWithVersionSql);
private final Lazy<String> deleteByIdSql = Lazy.of(this::createDeleteSql);
private final Lazy<String> deleteByIdSql = Lazy.of(this::createDeleteByIdSql);
private final Lazy<String> deleteByIdInSql = Lazy.of(this::createDeleteByIdInSql);
private final Lazy<String> deleteByIdAndVersionSql = Lazy.of(this::createDeleteByIdAndVersionSql);
private final Lazy<String> deleteByIdInAndVersionSql = Lazy.of(this::createDeleteByIdInAndVersionSql);
private final Lazy<String> deleteByListSql = Lazy.of(this::createDeleteByListSql);
/**
@@ -322,6 +324,15 @@ class SqlGenerator {
return deleteByIdSql.get();
}
/**
* Create a {@code DELETE FROM … WHERE :id IN …} statement.
*
* @return the statement as a {@link String}. Guaranteed to be not {@literal null}.
*/
String getDeleteByIdIn() {
return deleteByIdInSql.get();
}
/**
* Create a {@code DELETE FROM … WHERE :id = … and :___oldOptimisticLockingVersion = ...} statement.
*
@@ -331,6 +342,15 @@ class SqlGenerator {
return deleteByIdAndVersionSql.get();
}
/**
* Create a {@code DELETE FROM … WHERE :id In … and :___oldOptimisticLockingVersion = ...} statement.
*
* @return the statement as a {@link String}. Guaranteed to be not {@literal null}.
*/
String getDeleteByIdInAndVersion() {
return deleteByIdInAndVersionSql.get();
}
/**
* Create a {@code DELETE FROM … WHERE :ids in (…)} statement.
*
@@ -635,10 +655,14 @@ class SqlGenerator {
.where(getIdColumn().isEqualTo(getBindMarker(entity.getIdColumn())));
}
private String createDeleteSql() {
private String createDeleteByIdSql() {
return render(createBaseDeleteById(getTable()).build());
}
private String createDeleteByIdInSql() {
return render(createBaseDeleteByIdIn(getTable()).build());
}
private String createDeleteByIdAndVersionSql() {
Delete delete = createBaseDeleteById(getTable()) //
@@ -648,11 +672,25 @@ class SqlGenerator {
return render(delete);
}
private String createDeleteByIdInAndVersionSql() {
Delete delete = createBaseDeleteByIdIn(getTable()) //
.and(getVersionColumn().isEqualTo(SQL.bindMarker(":" + renderReference(VERSION_SQL_PARAMETER)))) //
.build();
return render(delete);
}
private DeleteBuilder.DeleteWhereAndOr createBaseDeleteById(Table table) {
return Delete.builder().from(table)
.where(getIdColumn().isEqualTo(SQL.bindMarker(":" + renderReference(ID_SQL_PARAMETER))));
}
private DeleteBuilder.DeleteWhereAndOr createBaseDeleteByIdIn(Table table) {
return Delete.builder().from(table)
.where(getIdColumn().in(SQL.bindMarker(":" + renderReference(IDS_SQL_PARAMETER))));
}
private String createDeleteByPathAndCriteria(PersistentPropertyPathExtension path,
Function<Column, Condition> rootCondition) {

View File

@@ -192,6 +192,11 @@ public class MyBatisDataAccessStrategy implements DataAccessStrategy {
sqlSession().delete(statement, parameter);
}
@Override
public void delete(Iterable<Object> ids, Class<?> domainType) {
ids.forEach(id -> delete(id, domainType));
}
@Override
public <T> void deleteWithVersion(Object id, Class<T> domainType, Number previousVersion) {

View File

@@ -32,6 +32,7 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
@@ -363,6 +364,25 @@ class JdbcAggregateTemplateIntegrationTests {
});
}
@Test
void saveAndDeleteAllByAggregateRootsWithVersion() {
AggregateWithImmutableVersion aggregate1 = new AggregateWithImmutableVersion(null, null);
AggregateWithImmutableVersion aggregate2 = new AggregateWithImmutableVersion(null, null);
AggregateWithImmutableVersion aggregate3 = new AggregateWithImmutableVersion(null, null);
Iterator<AggregateWithImmutableVersion> savedAggregatesIterator = template
.saveAll(List.of(aggregate1, aggregate2, aggregate3)).iterator();
AggregateWithImmutableVersion savedAggregate1 = savedAggregatesIterator.next();
AggregateWithImmutableVersion twiceSavedAggregate2 = template.save(savedAggregatesIterator.next());
AggregateWithImmutableVersion twiceSavedAggregate3 = template.save(savedAggregatesIterator.next());
assertThat(template.count(AggregateWithImmutableVersion.class)).isEqualTo(3);
template.deleteAll(List.of(savedAggregate1, twiceSavedAggregate2, twiceSavedAggregate3),
AggregateWithImmutableVersion.class);
assertThat(template.count(AggregateWithImmutableVersion.class)).isEqualTo(0);
}
@Test // DATAJDBC-112
@EnabledOnFeature({ SUPPORTS_QUOTED_IDS, SUPPORTS_GENERATED_IDS_IN_REFERENCED_ENTITIES })
void updateReferencedEntityFromNull() {