DATAJDBC-143 - Removed domain type parameter form JdbcEntityOperations.save().

Such a parameter would only make sense with inheritance and we don't support inheritance at all in the moment.
Anything we need in order to support inheritance should be added once we do support inheritance.

src/main/java/org/springframework/data/jdbc/core/JdbcAggregateOperations.java

@@ -23,7 +23,7 @@ package org.springframework.data.jdbc.core;
  */
 public interface JdbcAggregateOperations {
 
-	<T> void save(T instance, Class<T> domainType);
+	<T> void save(T instance);
 
 	<T> void deleteById(Object id, Class<T> domainType);
 

src/main/java/org/springframework/data/jdbc/core/JdbcAggregateTemplate.java

@@ -64,10 +64,10 @@ public class JdbcAggregateTemplate implements JdbcAggregateOperations {
 	}
 
 	@Override
-	public <T> void save(T instance, Class<T> domainType) {
+	public <T> void save(T instance) {
 
 		JdbcPersistentEntityInformation<T, ?> entityInformation = context
-				.getRequiredPersistentEntityInformation(domainType);
+				.getRequiredPersistentEntityInformation((Class<T>) instance.getClass());
 
 		AggregateChange change = createChange(instance);
 

src/main/java/org/springframework/data/jdbc/repository/support/SimpleJdbcRepository.java

@@ -44,7 +44,7 @@ public class SimpleJdbcRepository<T, ID> implements CrudRepository<T, ID> {
 	@Override
 	public <S extends T> S save(S instance) {
 
-		entityOperations.save(instance, entityInformation.getJavaType());
+		entityOperations.save(instance);
 
 		return instance;
 	}

src/test/java/org/springframework/data/jdbc/core/JdbcEntityTemplateIntegrationTests.java

@@ -57,7 +57,7 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void saveAndLoadAnEntityWithReferencedEntityById() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		assertThat(legoSet.manual.id).describedAs("id of stored manual").isNotNull();
 
@@ -78,7 +78,7 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void saveAndLoadManyEntitiesWithReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		Iterable<LegoSet> reloadedLegoSets = template.findAll(LegoSet.class);
 
@@ -89,7 +89,7 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void saveAndLoadManyEntitiesByIdWithReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		Iterable<LegoSet> reloadedLegoSets = template.findAllById(singletonList(legoSet.getId()), LegoSet.class);
 
@@ -102,7 +102,7 @@ public class JdbcEntityTemplateIntegrationTests {
 
 		legoSet.setManual(null);
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		LegoSet reloadedLegoSet = template.findById(legoSet.getId(), LegoSet.class);
 
@@ -112,7 +112,7 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void saveAndDeleteAnEntityWithReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		template.delete(legoSet, LegoSet.class);
 
@@ -127,7 +127,7 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void saveAndDeleteAllWithReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		template.deleteAll(LegoSet.class);
 
@@ -143,13 +143,13 @@ public class JdbcEntityTemplateIntegrationTests {
 	public void updateReferencedEntityFromNull() {
 
 		legoSet.setManual(null);
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		Manual manual = new Manual(23L);
 		manual.setContent("Some content");
 		legoSet.setManual(manual);
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		LegoSet reloadedLegoSet = template.findById(legoSet.getId(), LegoSet.class);
 
@@ -159,11 +159,11 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void updateReferencedEntityToNull() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		legoSet.setManual(null);
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		LegoSet reloadedLegoSet = template.findById(legoSet.getId(), LegoSet.class);
 
@@ -178,13 +178,13 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void replaceReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		Manual manual = new Manual(null);
 		manual.setContent("other content");
 		legoSet.setManual(manual);
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		LegoSet reloadedLegoSet = template.findById(legoSet.getId(), LegoSet.class);
 
@@ -199,11 +199,11 @@ public class JdbcEntityTemplateIntegrationTests {
 	@Test // DATAJDBC-112
 	public void changeReferencedEntity() {
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		legoSet.manual.setContent("new content");
 
-		template.save(legoSet, LegoSet.class);
+		template.save(legoSet);
 
 		LegoSet reloadedLegoSet = template.findById(legoSet.getId(), LegoSet.class);