HHH-19336 - Proper implementation for JPA extended locking scope

HHH-19459 - LockScope, FollowOnLocking
HHH-19501 - Session#lock w/ pessimistic locks for scopes
HHH-19502 - Disallow SKIP_LOCKED with Session#lock
HHH-19503 - Track a Dialect's level of support for locking joined tables

Author: sebersole

hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java

@@ -2541,18 +2541,25 @@ public String getReadLockString(String aliases, int timeout) {
 		return getReadLockString( timeout );
 	}
 
+	/**
+	 * Reports the Dialect's level of support for outer joins with pessimistic locking.
+	 */
+	public OuterJoinLockingLevel getOuterJoinLockingLevel() {
+		return OuterJoinLockingLevel.FULL;
+	}
+
 	/**
 	 * Does this dialect support {@code FOR UPDATE} in conjunction with
 	 * outer-joined rows?
 	 *
 	 * @return True if outer-joined rows can be locked via {@code FOR UPDATE}.
+	 *
+	 * @deprecated Use {@linkplain #getOuterJoinLockingLevel()} instead.
 	 */
+	@Deprecated
 	public boolean supportsOuterJoinForUpdate() {
-		return getOuterJoinLockingLevel() == OuterJoinLockingLevel.FULL;
-	}
-
-	public OuterJoinLockingLevel getOuterJoinLockingLevel() {
-		return OuterJoinLockingLevel.FULL;
+		return getOuterJoinLockingLevel() == OuterJoinLockingLevel.FULL
+				|| getOuterJoinLockingLevel() == OuterJoinLockingLevel.IDENTIFIED;
 	}
 
 	/**

hibernate-core/src/main/java/org/hibernate/dialect/lock/spi/OuterJoinLockingLevel.java

@@ -37,14 +37,13 @@ public enum OuterJoinLockingLevel {
 	ROOT_ONLY,
 
 	/**
-	 * Applying locks to joins is fully supported, acquiring locks
-	 * on all tables.
+	 * Applying locks to joined rows is supported, acquiring locks on all tables.
 	 */
 	FULL,
 
 	/**
-	 * The joined rows to lock can be controlled per table reference,
-	 * generally via one of:<ul>
+	 * Applying locks to joined rows is supported.  Which table rows are locked can be controlled
+	 * per table reference, generally via one of:<ul>
 	 *     <li>{@linkplain org.hibernate.dialect.RowLockStrategy#TABLE}
 	 *     <li>{@linkplain org.hibernate.dialect.RowLockStrategy#COLUMN}
 	 *     <li>{@linkplain org.hibernate.dialect.lock.PessimisticLockStyle#TABLE_HINT}