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HHH-14305 Memory optimisation for AbstractPropertyMapping#duplicateIncompatiblePaths

This commit is contained in:
Sanne Grinovero 2020-10-29 16:50:06 +00:00
parent 13398a8d4f
commit d6108fa1e4
1 changed files with 9 additions and 2 deletions
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11
hibernate-core/src/main/java/org/hibernate/persister/entity/AbstractPropertyMapping.java
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@ -41,7 +41,11 @@ public abstract class AbstractPropertyMapping implements PropertyMapping {
private static final CoreMessageLogger LOG = CoreLogging.messageLogger( AbstractPropertyMapping.class );
private final Map<String, Type> typesByPropertyPath = new HashMap<>();
private final Set<String> duplicateIncompatiblePaths = new HashSet<>();
//This field is only used during initialization, no need for threadsafety:
//FIXME get rid of the field, or at least clear it after boot? Not urgent as we typically won't initialize it at all.
private Set<String> duplicateIncompatiblePaths = null;
private final Map<String, String[]> columnsByPropertyPath = new HashMap<>();
private final Map<String, String[]> columnReadersByPropertyPath = new HashMap<>();
private final Map<String, String[]> columnReaderTemplatesByPropertyPath = new HashMap<>();
@ -168,7 +172,7 @@ public abstract class AbstractPropertyMapping implements PropertyMapping {
String[] formulaTemplates,
Mapping factory) {
Type existingType = typesByPropertyPath.get( path );
if ( existingType != null || duplicateIncompatiblePaths.contains( path ) ) {
if ( existingType != null || ( duplicateIncompatiblePaths != null && duplicateIncompatiblePaths.contains( path ) ) ) {
// If types match or the new type is not an association type, there is nothing for us to do
if ( type == existingType || existingType == null || !( type instanceof AssociationType ) ) {
logDuplicateRegistration( path, existingType, type );
@ -212,6 +216,9 @@ public abstract class AbstractPropertyMapping implements PropertyMapping {
logIncompatibleRegistration( path, existingType, type );
}
if ( commonType == null ) {
if ( duplicateIncompatiblePaths == null ) {
duplicateIncompatiblePaths = new HashSet<>();
}
duplicateIncompatiblePaths.add( path );
typesByPropertyPath.remove( path );
// Set everything to empty to signal action has to be taken!