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DATAGRAPH-320 Performance improvement regarding reference annotations in Neo4jMappingContext

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This commit is contained in:
Michael Hunger
2012-12-19 10:50:09 +01:00
parent 29ebf864ff
commit 5ad3d3a118
2 changed files with 18 additions and 7 deletions
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2
spring-data-neo4j/src/main/java/org/springframework/data/neo4j/support/mapping/Neo4JPersistentPropertyImpl.java
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@@ -74,7 +74,7 @@ class Neo4jPersistentPropertyImpl extends AbstractPersistentProperty<Neo4jPersis
this.annotations = extractAnnotations(field);
this.relationshipInfo = extractRelationshipInfo(field, ctx);
this.propertyType = extractPropertyType();
this.isAssociation = super.isAssociation();
this.isAssociation = ctx.isReference(this);
this.isNeo4jEntityType = isNeo4jPropertyType(getType());
this.neo4jPropertyName = createNeo4jPropertyName();

23
spring-data-neo4j/src/main/java/org/springframework/data/neo4j/support/mapping/Neo4jMappingContext.java
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@@ -17,6 +17,7 @@
package org.springframework.data.neo4j.support.mapping;
import org.neo4j.graphdb.PropertyContainer;
import org.springframework.data.annotation.Reference;
import org.springframework.data.mapping.context.AbstractMappingContext;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.data.mapping.model.MappingException;
@@ -29,13 +30,9 @@ import org.springframework.data.neo4j.mapping.Neo4jPersistentProperty;
import org.springframework.data.util.TypeInformation;
import java.beans.PropertyDescriptor;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
import java.util.*;
/**
* Neo4J specific {@link MappingContext} implementation. Simply creates {@link Neo4jPersistentEntityImpl} and
@@ -45,6 +42,8 @@ import java.util.Map;
*/
public class Neo4jMappingContext extends AbstractMappingContext<Neo4jPersistentEntityImpl<?>, Neo4jPersistentProperty> {
private final Map<Annotation, Boolean> referenceAnnotations = new IdentityHashMap<Annotation, java.lang.Boolean>();
protected <T> Neo4jPersistentEntityImpl<?> createPersistentEntity(TypeInformation<T> typeInformation) {
final Class<T> type = typeInformation.getType();
if (type.isAnnotationPresent(NodeEntity.class)) {
@@ -171,4 +170,16 @@ public class Neo4jMappingContext extends AbstractMappingContext<Neo4jPersistentE
public void setEntityAlias(EntityAlias entityAlias) {
this.entityAlias = entityAlias;
}
public boolean isReference(Neo4jPersistentProperty property) {
for (Annotation annotation : property.getAnnotations()) {
Boolean isReference = referenceAnnotations.get(annotation);
if (isReference == null) {
isReference = Reference.class.isInstance(annotation) || annotation.annotationType().isAnnotationPresent(Reference.class);
referenceAnnotations.put(annotation, isReference);
}
if (isReference) return true;
}
return false;
}
}