diff --git a/hibernate-core/src/main/java/org/hibernate/id/IdentifierGeneratorHelper.java b/hibernate-core/src/main/java/org/hibernate/id/IdentifierGeneratorHelper.java
index 3a8075fb531b..015dc6008e9d 100644
--- a/hibernate-core/src/main/java/org/hibernate/id/IdentifierGeneratorHelper.java
+++ b/hibernate-core/src/main/java/org/hibernate/id/IdentifierGeneratorHelper.java
@@ -83,56 +83,6 @@ else if ( integralType == BigDecimal.class ) {
 		}
 	}
 
-	public static long extractLong(IntegralDataTypeHolder holder) {
-		if ( holder.getClass() == BasicHolder.class ) {
-			( (BasicHolder) holder ).checkInitialized();
-			return ( (BasicHolder) holder ).value;
-		}
-		else if ( holder.getClass() == BigIntegerHolder.class ) {
-			( (BigIntegerHolder) holder ).checkInitialized();
-			return ( (BigIntegerHolder) holder ).value.longValue();
-		}
-		else if ( holder.getClass() == BigDecimalHolder.class ) {
-			( (BigDecimalHolder) holder ).checkInitialized();
-			return ( (BigDecimalHolder) holder ).value.longValue();
-		}
-		throw new IdentifierGenerationException( "Unknown IntegralDataTypeHolder impl [" + holder + "]" );
-	}
-
-	public static BigInteger extractBigInteger(IntegralDataTypeHolder holder) {
-		if ( holder.getClass() == BasicHolder.class ) {
-			( (BasicHolder) holder ).checkInitialized();
-			return BigInteger.valueOf( ( (BasicHolder) holder ).value );
-		}
-		else if ( holder.getClass() == BigIntegerHolder.class ) {
-			( (BigIntegerHolder) holder ).checkInitialized();
-			return ( (BigIntegerHolder) holder ).value;
-		}
-		else if ( holder.getClass() == BigDecimalHolder.class ) {
-			( (BigDecimalHolder) holder ).checkInitialized();
-			// scale should already be set...
-			return ( (BigDecimalHolder) holder ).value.toBigInteger();
-		}
-		throw new IdentifierGenerationException( "Unknown IntegralDataTypeHolder impl [" + holder + "]" );
-	}
-
-	public static BigDecimal extractBigDecimal(IntegralDataTypeHolder holder) {
-		if ( holder.getClass() == BasicHolder.class ) {
-			( (BasicHolder) holder ).checkInitialized();
-			return BigDecimal.valueOf( ( (BasicHolder) holder ).value );
-		}
-		else if ( holder.getClass() == BigIntegerHolder.class ) {
-			( (BigIntegerHolder) holder ).checkInitialized();
-			return new BigDecimal( ( (BigIntegerHolder) holder ).value );
-		}
-		else if ( holder.getClass() == BigDecimalHolder.class ) {
-			( (BigDecimalHolder) holder ).checkInitialized();
-			// scale should already be set...
-			return ( (BigDecimalHolder) holder ).value;
-		}
-		throw new IdentifierGenerationException( "Unknown IntegralDataTypeHolder impl [" + holder + "]" );
-	}
-
 	public static Object getForeignId(
 			String entityName, String propertyName, SharedSessionContractImplementor sessionImplementor, Object object) {
 		final EntityPersister entityDescriptor =
@@ -261,7 +211,7 @@ public IntegralDataTypeHolder subtract(long subtrahend) {
 		}
 
 		public IntegralDataTypeHolder multiplyBy(IntegralDataTypeHolder factor) {
-			return multiplyBy( extractLong( factor ) );
+			return multiplyBy( factor.toLong() );
 		}
 
 		public IntegralDataTypeHolder multiplyBy(long factor) {
@@ -271,7 +221,7 @@ public IntegralDataTypeHolder multiplyBy(long factor) {
 		}
 
 		public boolean eq(IntegralDataTypeHolder other) {
-			return eq( extractLong( other ) );
+			return eq( other.toLong() );
 		}
 
 		public boolean eq(long value) {
@@ -280,7 +230,7 @@ public boolean eq(long value) {
 		}
 
 		public boolean lt(IntegralDataTypeHolder other) {
-			return lt( extractLong( other ) );
+			return lt( other.toLong() );
 		}
 
 		public boolean lt(long value) {
@@ -289,7 +239,7 @@ public boolean lt(long value) {
 		}
 
 		public boolean gt(IntegralDataTypeHolder other) {
-			return gt( extractLong( other ) );
+			return gt( other.toLong() );
 		}
 
 		public boolean gt(long value) {
@@ -329,6 +279,24 @@ public Number makeValueThenAdd(long addend) {
 			return result;
 		}
 
+		@Override
+		public long toLong() {
+			checkInitialized();
+			return value;
+		}
+
+		@Override
+		public BigDecimal toBigDecimal() {
+			checkInitialized();
+			return BigDecimal.valueOf( value );
+		}
+
+		@Override
+		public BigInteger toBigInteger() {
+			checkInitialized();
+			return BigInteger.valueOf( value );
+		}
+
 		@Override
 		public String toString() {
 			return "BasicHolder[" + exactType.getName() + "[" + value + "]]";
@@ -339,12 +307,9 @@ public boolean equals(Object o) {
 			if ( this == o ) {
 				return true;
 			}
-			if ( o == null || getClass() != o.getClass() ) {
+			if ( !(o instanceof BasicHolder that) ) {
 				return false;
 			}
-
-			BasicHolder that = (BasicHolder) o;
-
 			return value == that.value;
 		}
 
@@ -407,7 +372,7 @@ public IntegralDataTypeHolder subtract(long subtrahend) {
 
 		public IntegralDataTypeHolder multiplyBy(IntegralDataTypeHolder factor) {
 			checkInitialized();
-			value = value.multiply( extractBigInteger( factor ) );
+			value = value.multiply( factor.toBigInteger() );
 			return this;
 		}
 
@@ -419,7 +384,7 @@ public IntegralDataTypeHolder multiplyBy(long factor) {
 
 		public boolean eq(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigInteger( other ) ) == 0;
+			return value.compareTo( other.toBigInteger() ) == 0;
 		}
 
 		public boolean eq(long value) {
@@ -429,7 +394,7 @@ public boolean eq(long value) {
 
 		public boolean lt(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigInteger( other ) ) < 0;
+			return value.compareTo( other.toBigInteger() ) < 0;
 		}
 
 		public boolean lt(long value) {
@@ -439,7 +404,7 @@ public boolean lt(long value) {
 
 		public boolean gt(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigInteger( other ) ) > 0;
+			return value.compareTo( other.toBigInteger() ) > 0;
 		}
 
 		public boolean gt(long value) {
@@ -470,6 +435,24 @@ public Number makeValueThenAdd(long addend) {
 			return result;
 		}
 
+		@Override
+		public long toLong() {
+			checkInitialized();
+			return value.longValue();
+		}
+
+		@Override
+		public BigInteger toBigInteger() {
+			checkInitialized();
+			return value;
+		}
+
+		@Override
+		public BigDecimal toBigDecimal() {
+			checkInitialized();
+			return new BigDecimal( value );
+		}
+
 		@Override
 		public String toString() {
 			return "BigIntegerHolder[" + value + "]";
@@ -480,12 +463,9 @@ public boolean equals(Object o) {
 			if ( this == o ) {
 				return true;
 			}
-			if ( o == null || getClass() != o.getClass() ) {
+			if ( !(o instanceof BigIntegerHolder that) ) {
 				return false;
 			}
-
-			BigIntegerHolder that = (BigIntegerHolder) o;
-
 			return Objects.equals( value, that.value );
 		}
 
@@ -548,7 +528,7 @@ public IntegralDataTypeHolder subtract(long subtrahend) {
 
 		public IntegralDataTypeHolder multiplyBy(IntegralDataTypeHolder factor) {
 			checkInitialized();
-			value = value.multiply( extractBigDecimal( factor ) );
+			value = value.multiply( factor.toBigDecimal() );
 			return this;
 		}
 
@@ -560,7 +540,7 @@ public IntegralDataTypeHolder multiplyBy(long factor) {
 
 		public boolean eq(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigDecimal( other ) ) == 0;
+			return value.compareTo( other.toBigDecimal() ) == 0;
 		}
 
 		public boolean eq(long value) {
@@ -570,7 +550,7 @@ public boolean eq(long value) {
 
 		public boolean lt(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigDecimal( other ) ) < 0;
+			return value.compareTo( other.toBigDecimal() ) < 0;
 		}
 
 		public boolean lt(long value) {
@@ -580,7 +560,7 @@ public boolean lt(long value) {
 
 		public boolean gt(IntegralDataTypeHolder other) {
 			checkInitialized();
-			return value.compareTo( extractBigDecimal( other ) ) > 0;
+			return value.compareTo( other.toBigDecimal() ) > 0;
 		}
 
 		public boolean gt(long value) {
@@ -611,6 +591,24 @@ public Number makeValueThenAdd(long addend) {
 			return result;
 		}
 
+		@Override
+		public long toLong() {
+			checkInitialized();
+			return value.longValue();
+		}
+
+		@Override
+		public BigInteger toBigInteger() {
+			checkInitialized();
+			return value.toBigInteger();
+		}
+
+		@Override
+		public BigDecimal toBigDecimal() {
+			checkInitialized();
+			return value;
+		}
+
 		@Override
 		public String toString() {
 			return "BigDecimalHolder[" + value + "]";
@@ -621,12 +619,9 @@ public boolean equals(Object o) {
 			if ( this == o ) {
 				return true;
 			}
-			if ( o == null || getClass() != o.getClass() ) {
+			if ( !(o instanceof BigDecimalHolder that) ) {
 				return false;
 			}
-
-			BigDecimalHolder that = (BigDecimalHolder) o;
-
 			return Objects.equals( this.value, that.value );
 		}
 
diff --git a/hibernate-core/src/main/java/org/hibernate/id/IntegralDataTypeHolder.java b/hibernate-core/src/main/java/org/hibernate/id/IntegralDataTypeHolder.java
index 6653ec2fdfd2..b3c2d7d92332 100644
--- a/hibernate-core/src/main/java/org/hibernate/id/IntegralDataTypeHolder.java
+++ b/hibernate-core/src/main/java/org/hibernate/id/IntegralDataTypeHolder.java
@@ -3,7 +3,10 @@
  * Copyright Red Hat Inc. and Hibernate Authors
  */
 package org.hibernate.id;
+
 import java.io.Serializable;
+import java.math.BigDecimal;
+import java.math.BigInteger;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -183,4 +186,19 @@ public interface IntegralDataTypeHolder extends Serializable {
 	 * @return The pre-incremented internal value
 	 */
 	Number makeValueThenAdd(long addend);
+
+	/**
+	 * Convert the internal value to {@code long}.
+	 */
+	long toLong();
+
+	/**
+	 * Convert the internal value to {@link BigInteger}.
+	 */
+	BigInteger toBigInteger();
+
+	/**
+	 * Convert the internal value to {@link BigDecimal}.
+	 */
+	BigDecimal toBigDecimal();
 }