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WIP: Where I stopped when building first a ResultSet cacne then layering an Entity cache. Lot's of tricky bits that were not falling into place.

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This commit is contained in:
Greg Burd 2017-08-18 16:48:01 -04:00
parent 933526b05b
commit 38ca5973a1
1 changed files with 36 additions and 3 deletions
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39
src/main/java/net/helenus/core/operation/SelectOperation.java
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@ -45,7 +45,9 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
protected List<Ordering> ordering = null;
protected Integer limit = null;
protected boolean allowFiltering = false;
protected boolean cacheResult = true;
protected AbstractCache cache;
public SelectOperation(AbstractSessionOperations sessionOperations) {
super(sessionOperations);
@ -68,7 +70,6 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
return (E) Fun.ArrayTuple.of(arr);
}
};
}
public SelectOperation(AbstractSessionOperations sessionOperations, HelenusEntity entity) {
@ -81,6 +82,9 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
.map(p -> new HelenusPropertyNode(p, Optional.empty()))
.forEach(p -> this.props.add(p));
if (entity.isCacheable()) {
this.cache = sessionOps.cacheFor(CacheManager.Type.FETCH);
}
}
public SelectOperation(
@ -97,6 +101,9 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
.map(p -> new HelenusPropertyNode(p, Optional.empty()))
.forEach(p -> this.props.add(p));
if (entity.isCacheable()) {
this.cache = sessionOps.cacheFor(CacheManager.Type.FETCH);
}
}
public SelectOperation(
@ -108,6 +115,9 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
this.rowMapper = rowMapper;
Collections.addAll(this.props, props);
if (props.length > 0 && props[0].getEntity().isCacheable()) {
this.cache = sessionOps.cacheFor(CacheManager.Type.FETCH);
}
}
public CountOperation count() {
@ -140,13 +150,19 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
HelenusEntity entity = Helenus.entity(entityClass);
if (entity.isCacheable()) {
this.cache = sessionOps.cacheFor(CacheManager.Type.FETCH);
//TODO cache entity
}
this.rowMapper = null;
return new SelectTransformingOperation<R, E>(
this,
(r) -> {
Map<String, Object> map = new ValueProviderMap(r, sessionOps.getValueProvider(), entity);
return (R) Helenus.map(entityClass, map);
R result = (R) Helenus.map(entityClass, map);
return result;
});
}
@ -180,6 +196,11 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
return this;
}
public SelectOperation<E> cache() {
this.cacheResult = true;
return this;
}
@Override
public BuiltStatement buildStatement() {
@ -187,12 +208,18 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
Selection selection = QueryBuilder.select();
for (HelenusPropertyNode prop : props) {
selection = selection.column(prop.getColumnName());
String col = prop.getColumnName();
selection = selection.column(col);
if (prop.getProperty().caseSensitiveIndex()) {
allowFiltering = true;
}
if (cache != null && cacheResult) {
selection = selection.ttl(col);
selection = selection.writeTime(col);
}
if (entity == null) {
entity = prop.getEntity();
} else if (entity != prop.getEntity()) {
@ -257,6 +284,12 @@ public final class SelectOperation<E> extends AbstractFilterStreamOperation<E, S
}
}
@Override
protected AbstractCache getCache() {
AbstractCache unitOfWorkCache = super.getCache();
return (unitOfWorkCache == null) ? this.cache : unitOfWorkCache;
}
private List<Ordering> getOrCreateOrdering() {
if (ordering == null) {
ordering = new ArrayList<Ordering>();