HSEARCH-3487 Make ScaledNumberIndexFieldTypeContext more generic

So that it could be used not just for BigDecimal fields

backend/elasticsearch/src/main/java/org/hibernate/search/backend/elasticsearch/types/dsl/impl/ElasticsearchBigDecimalIndexFieldTypeContext.java

@@ -27,7 +27,7 @@
 
 class ElasticsearchBigDecimalIndexFieldTypeContext
 		extends AbstractElasticsearchScalarFieldTypeContext<ElasticsearchBigDecimalIndexFieldTypeContext, BigDecimal>
-		implements ScaledNumberIndexFieldTypeContext<ElasticsearchBigDecimalIndexFieldTypeContext> {
+		implements ScaledNumberIndexFieldTypeContext<ElasticsearchBigDecimalIndexFieldTypeContext, BigDecimal> {
 
 	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );
 

backend/elasticsearch/src/main/java/org/hibernate/search/backend/elasticsearch/types/dsl/impl/ElasticsearchIndexFieldTypeFactoryContextImpl.java

@@ -221,7 +221,7 @@ public StandardIndexFieldTypeContext<?, GeoPoint> asGeoPoint() {
 	}
 
 	@Override
-	public ScaledNumberIndexFieldTypeContext<?> asBigDecimal() {
+	public ScaledNumberIndexFieldTypeContext<?, BigDecimal> asBigDecimal() {
 		return new ElasticsearchBigDecimalIndexFieldTypeContext( this, typeDefaultsProvider );
 	}
 

backend/lucene/src/main/java/org/hibernate/search/backend/lucene/types/dsl/impl/LuceneBigDecimalIndexFieldTypeContext.java

@@ -24,7 +24,7 @@
 
 class LuceneBigDecimalIndexFieldTypeContext
 		extends AbstractLuceneStandardIndexFieldTypeContext<LuceneBigDecimalIndexFieldTypeContext, BigDecimal>
-		implements ScaledNumberIndexFieldTypeContext<LuceneBigDecimalIndexFieldTypeContext> {
+		implements ScaledNumberIndexFieldTypeContext<LuceneBigDecimalIndexFieldTypeContext, BigDecimal> {
 
 	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );
 

backend/lucene/src/main/java/org/hibernate/search/backend/lucene/types/dsl/impl/LuceneIndexFieldTypeFactoryContextImpl.java

@@ -218,7 +218,7 @@ public StandardIndexFieldTypeContext<?, GeoPoint> asGeoPoint() {
 	}
 
 	@Override
-	public ScaledNumberIndexFieldTypeContext<?> asBigDecimal() {
+	public ScaledNumberIndexFieldTypeContext<?, BigDecimal> asBigDecimal() {
 		return new LuceneBigDecimalIndexFieldTypeContext( this, typeDefaultsProvider );
 	}
 

engine/src/main/java/org/hibernate/search/engine/backend/types/dsl/IndexFieldTypeFactoryContext.java

@@ -6,6 +6,7 @@
  */
 package org.hibernate.search.engine.backend.types.dsl;
 
+import java.math.BigDecimal;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -65,7 +66,7 @@ public interface IndexFieldTypeFactoryContext {
 
 	StandardIndexFieldTypeContext<?, GeoPoint> asGeoPoint();
 
-	ScaledNumberIndexFieldTypeContext<?> asBigDecimal();
+	ScaledNumberIndexFieldTypeContext<?, BigDecimal> asBigDecimal();
 
 	// TODO HSEARCH-3487 add asBigInteger() method here
 

engine/src/main/java/org/hibernate/search/engine/backend/types/dsl/ScaledNumberIndexFieldTypeContext.java

@@ -6,13 +6,12 @@
  */
 package org.hibernate.search.engine.backend.types.dsl;
 
-import java.math.BigDecimal;
-
 /**
- * @param <S> The type of this context.
+ * @param <S> The concrete type of this context.
+ * @param <F> The type of field values.
  */
-public interface ScaledNumberIndexFieldTypeContext<S extends ScaledNumberIndexFieldTypeContext<? extends S>>
-		extends StandardIndexFieldTypeContext<S, BigDecimal> {
+public interface ScaledNumberIndexFieldTypeContext<S extends ScaledNumberIndexFieldTypeContext<? extends S, F>, F>
+		extends StandardIndexFieldTypeContext<S, F> {
 
 	S decimalScale(int decimalScale);
 

mapper/pojo/src/main/java/org/hibernate/search/mapper/pojo/mapping/definition/programmatic/impl/PropertyScaledNumberFieldMappingContextImpl.java

@@ -16,7 +16,7 @@
 import org.hibernate.search.util.common.logging.impl.LoggerFactory;
 
 public class PropertyScaledNumberFieldMappingContextImpl
-		extends AbstractPropertyNotFullTextFieldMappingContext<PropertyScaledNumberFieldMappingContext, ScaledNumberIndexFieldTypeContext<?>>
+		extends AbstractPropertyNotFullTextFieldMappingContext<PropertyScaledNumberFieldMappingContext, ScaledNumberIndexFieldTypeContext<?, ?>>
 		implements PropertyScaledNumberFieldMappingContext {
 
 	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );
@@ -36,10 +36,10 @@ public PropertyScaledNumberFieldMappingContext decimalScale(int decimalScale) {
 		return thisAsS();
 	}
 
-	private static ScaledNumberIndexFieldTypeContext<?> convertFieldTypedContext(
+	private static ScaledNumberIndexFieldTypeContext<?, ?> convertFieldTypedContext(
 			StandardIndexFieldTypeContext<?,?> context) {
 		if ( context instanceof ScaledNumberIndexFieldTypeContext ) {
-			return (ScaledNumberIndexFieldTypeContext<?>) context;
+			return (ScaledNumberIndexFieldTypeContext<?, ?>) context;
 		}
 		else {
 			throw log.invalidFieldEncodingForScaledNumberFieldMapping(

util/internal/integrationtest/common/src/main/java/org/hibernate/search/util/impl/integrationtest/common/stub/backend/types/dsl/impl/StubIndexFieldTypeFactoryContext.java

@@ -143,7 +143,7 @@ public StandardIndexFieldTypeContext<?, GeoPoint> asGeoPoint() {
 	}
 
 	@Override
-	public ScaledNumberIndexFieldTypeContext<?> asBigDecimal() {
+	public ScaledNumberIndexFieldTypeContext<?, BigDecimal> asBigDecimal() {
 		return new StubScaledNumberIndexFieldTypeContext( defaultsProvider );
 	}
 }

util/internal/integrationtest/common/src/main/java/org/hibernate/search/util/impl/integrationtest/common/stub/backend/types/dsl/impl/StubScaledNumberIndexFieldTypeContext.java

@@ -13,7 +13,7 @@
 
 public class StubScaledNumberIndexFieldTypeContext
 		extends AbstractStubStandardIndexFieldTypeContext<StubScaledNumberIndexFieldTypeContext, BigDecimal>
-		implements ScaledNumberIndexFieldTypeContext<StubScaledNumberIndexFieldTypeContext> {
+		implements ScaledNumberIndexFieldTypeContext<StubScaledNumberIndexFieldTypeContext, BigDecimal> {
 
 	public StubScaledNumberIndexFieldTypeContext(IndexFieldTypeDefaultsProvider defaultsProvider) {
 		super( BigDecimal.class );