HHH-3898 hibernate.check_nullability (default true)

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@16515 1b8cb986-b30d-0410-93ca-fae66ebed9b2

core/src/main/java/org/hibernate/cfg/Environment.java

@@ -503,6 +503,14 @@ public final class Environment {
      */
     public static final String JACC_CONTEXTID = "hibernate.jacc_context_id";
 
+	/**
+	 * Enable nullability checking.
+	 * Raises an exception if a property marked as not-null is null.
+	 * Default to true.
+	 */
+	public static final String CHECK_NULLABILITY = "hibernate.check_nullability";
+
+
 	public static final String BYTECODE_PROVIDER = "hibernate.bytecode.provider";
 
 	public static final String JPAQL_STRICT_COMPLIANCE= "hibernate.query.jpaql_strict_compliance";

core/src/main/java/org/hibernate/cfg/Settings.java

@@ -95,6 +95,7 @@ public final class Settings {
 	private boolean strictJPAQLCompliance;
 	private boolean namedQueryStartupCheckingEnabled;
 	private EntityTuplizerFactory entityTuplizerFactory;
+	private boolean checkNullability;
 //	private ComponentTuplizerFactory componentTuplizerFactory; todo : HHH-3517 and HHH-1907
 //	private BytecodeProvider bytecodeProvider;
 
@@ -489,7 +490,15 @@ public final class Settings {
 		this.entityTuplizerFactory = entityTuplizerFactory;
 	}
 
-//	void setComponentTuplizerFactory(ComponentTuplizerFactory componentTuplizerFactory) {
+	public boolean isCheckNullability() {
+		return checkNullability;
+	}
+
+	public void setCheckNullability(boolean checkNullability) {
+		this.checkNullability = checkNullability;
+	}
+
+	//	void setComponentTuplizerFactory(ComponentTuplizerFactory componentTuplizerFactory) {
 //		this.componentTuplizerFactory = componentTuplizerFactory;
 //	}
 

core/src/main/java/org/hibernate/cfg/SettingsFactory.java

@@ -328,6 +328,11 @@ public class SettingsFactory implements Serializable {
 		log.info( "Named query checking : " + enabledDisabled( namedQueryChecking ) );
 		settings.setNamedQueryStartupCheckingEnabled( namedQueryChecking );
 
+		boolean checkNullability = PropertiesHelper.getBoolean(Environment.CHECK_NULLABILITY, properties, true);
+		log.info( "Check Nullability in Core (should be disabled when Bean Validation is on): " + enabledDisabled(useStatistics) );
+		settings.setCheckNullability(checkNullability);
+
+
 //		String provider = properties.getProperty( Environment.BYTECODE_PROVIDER );
 //		log.info( "Bytecode provider name : " + provider );
 //		BytecodeProvider bytecodeProvider = buildBytecodeProvider( provider );

core/src/main/java/org/hibernate/engine/Nullability.java

@@ -42,9 +42,11 @@ import org.hibernate.type.Type;
 public final class Nullability {
 	
 	private final SessionImplementor session;
+	private final boolean checkNullability;
 
 	public Nullability(SessionImplementor session) {
 		this.session = session;
+		this.checkNullability = session.getFactory().getSettings().isCheckNullability();
 	}
 	/**
 	 * Check nullability of the class persister properties
@@ -60,7 +62,11 @@ public final class Nullability {
 			final EntityPersister persister,
 			final boolean isUpdate) 
 	throws PropertyValueException, HibernateException {
-
+		/*
+		 * Typically when Bean Validation is on, we don't want to validate null values
+		 * at the Hibernate Core level. Hence the checkNullability setting.
+		 */
+		if ( checkNullability ) {
 			/*
 			  * Algorithm
 			  * Check for any level one nullability breaks
@@ -116,6 +122,7 @@ public final class Nullability {
 
 			}
 		}
+	}
 
 	/**
 	 * check sub elements-nullability. Returns property path that break