diff --git a/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/MetaAttributeGenerationVisitor.java b/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/MetaAttributeGenerationVisitor.java
index 4adf7695d3..f031a2bee3 100644
--- a/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/MetaAttributeGenerationVisitor.java
+++ b/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/MetaAttributeGenerationVisitor.java
@@ -138,14 +138,20 @@ public class MetaAttributeGenerationVisitor extends SimpleTypeVisitor6<Annotatio
 				accessTypeInfo.setDefaultAccessType( entity.getEntityAccessTypeInfo().getAccessType() );
 			}
 		}
-		if ( collection.equals( "javax.persistence.metamodel.MapAttribute" ) ) {
-			return createAnnotationMetaAttributeForMap( declaredType, element, collection, targetEntity );
-		}
-		else {
-			return new AnnotationMetaCollection(
-					entity, element, collection, getElementType( declaredType, targetEntity )
+		if ( TypeUtils.containsAnnotation( element, Constants.CONVERT ) ||
+				TypeUtils.containsAnnotation( element, Constants.HIBERNATE_TYPE )	) {
+			return new AnnotationMetaSingleAttribute(
+					entity,
+					element,
+					TypeUtils.toTypeString( declaredType )
 			);
 		}
+		if ( collection.equals( Constants.MAP_ATTRIBUTE ) ) {
+			return createAnnotationMetaAttributeForMap( declaredType, element, collection, targetEntity );
+		}
+		return new AnnotationMetaCollection(
+				entity, element, collection, getElementType( declaredType, targetEntity )
+		);
 	}
 
 	@Override
diff --git a/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/util/Constants.java b/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/util/Constants.java
index b84d1cb0a5..166d6901ad 100644
--- a/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/util/Constants.java
+++ b/tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/util/Constants.java
@@ -30,6 +30,9 @@ public final class Constants {
 	public static final String MAP_KEY_CLASS = "javax.persistence.MapKeyClass";
 	public static final String ELEMENT_COLLECTION = "javax.persistence.ElementCollection";
 	public static final String ACCESS = "javax.persistence.Access";
+	public static final String MAP_ATTRIBUTE = "javax.persistence.metamodel.MapAttribute";
+	public static final String CONVERT = "javax.persistence.Convert";
+	public static final String HIBERNATE_TYPE = "org.hibernate.annotations.Type";
 
 	public static final Map<String, String> COLLECTIONS = new HashMap<String, String>();
 
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java
new file mode 100644
index 0000000000..10b436c510
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java
@@ -0,0 +1,89 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import org.hibernate.jpamodelgen.test.util.CompilationTest;
+import org.hibernate.jpamodelgen.test.util.TestForIssue;
+import org.hibernate.jpamodelgen.test.util.WithClasses;
+
+import org.junit.Test;
+
+import static org.hibernate.jpamodelgen.test.util.TestUtil.assertAttributeTypeInMetaModelFor;
+import static org.hibernate.jpamodelgen.test.util.TestUtil.assertListAttributeTypeInMetaModelFor;
+import static org.hibernate.jpamodelgen.test.util.TestUtil.assertMetamodelClassGeneratedFor;
+
+/**
+ * @author helloztt
+ */
+public class CollectionAsBasicTypeTest extends CompilationTest {
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-12338")
+	@WithClasses({Goods.class, Product.class})
+	public void testConvert() throws ClassNotFoundException, NoSuchFieldException {
+		assertMetamodelClassGeneratedFor(Product.class);
+		assertMetamodelClassGeneratedFor(Goods.class);
+		assertListAttributeTypeInMetaModelFor(
+				Goods.class,
+				"productList",
+				Product.class,
+				"ListAttribute generic type should be Product"
+		);
+		assertAttributeTypeInMetaModelFor(
+				Goods.class,
+				"tags",
+				Goods.class.getDeclaredField("tags").getGenericType(),
+				"Wrong meta model type"
+		);
+
+	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-12338")
+	@WithClasses({Person.class})
+	public void testListType() throws ClassNotFoundException, NoSuchFieldException {
+		assertMetamodelClassGeneratedFor(Person.class);
+
+		assertAttributeTypeInMetaModelFor(
+				Person.class,
+				"phones",
+				Person.class.getDeclaredField("phones").getGenericType(),
+				"Wrong meta model type"
+		);
+
+	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-12338")
+	@WithClasses({PersonPhone.class})
+	public void testListTypeWithImport() throws ClassNotFoundException, NoSuchFieldException {
+		assertMetamodelClassGeneratedFor(PersonPhone.class);
+
+		assertAttributeTypeInMetaModelFor(
+				PersonPhone.class,
+				"phones",
+				PersonPhone.class.getDeclaredField("phones").getGenericType(),
+				"Wrong meta model type"
+		);
+
+	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-12338")
+	@WithClasses({PhoneBook.class})
+	public void testMapType() throws ClassNotFoundException, NoSuchFieldException {
+		assertMetamodelClassGeneratedFor(PhoneBook.class);
+
+		assertAttributeTypeInMetaModelFor(
+				PhoneBook.class,
+				"phones",
+				PhoneBook.class.getDeclaredField("phones").getGenericType(),
+				"Wrong meta model type"
+		);
+
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringMapJavaTypeDescriptor.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringMapJavaTypeDescriptor.java
new file mode 100644
index 0000000000..040292922d
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringMapJavaTypeDescriptor.java
@@ -0,0 +1,58 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.hibernate.type.descriptor.WrapperOptions;
+import org.hibernate.type.descriptor.java.AbstractTypeDescriptor;
+import org.hibernate.type.descriptor.java.MutableMutabilityPlan;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class CommaDelimitedStringMapJavaTypeDescriptor extends AbstractTypeDescriptor<Map> {
+
+    public static final String DELIMITER = ",";
+
+    public CommaDelimitedStringMapJavaTypeDescriptor() {
+        super(
+            Map.class,
+            new MutableMutabilityPlan<Map>() {
+                @Override
+                protected Map deepCopyNotNull(Map value) {
+                    return new HashMap( value );
+                }
+            }
+        );
+    }
+
+    @Override
+    public String toString(Map value) {
+        return null;
+    }
+
+    @Override
+    public Map fromString(String string) {
+        return null;
+    }
+
+    @Override
+    public <X> X unwrap(Map value, Class<X> type, WrapperOptions options) {
+        return (X) toString( value );
+    }
+
+    @Override
+    public <X> Map wrap(X value, WrapperOptions options) {
+        return fromString( (String) value );
+    }
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsJavaTypeDescriptor.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsJavaTypeDescriptor.java
new file mode 100644
index 0000000000..a09fad55f6
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsJavaTypeDescriptor.java
@@ -0,0 +1,58 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.hibernate.type.descriptor.WrapperOptions;
+import org.hibernate.type.descriptor.java.AbstractTypeDescriptor;
+import org.hibernate.type.descriptor.java.MutableMutabilityPlan;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class CommaDelimitedStringsJavaTypeDescriptor extends AbstractTypeDescriptor<List> {
+
+    public static final String DELIMITER = ",";
+
+    public CommaDelimitedStringsJavaTypeDescriptor() {
+        super(
+            List.class,
+            new MutableMutabilityPlan<List>() {
+                @Override
+                protected List deepCopyNotNull(List value) {
+                    return new ArrayList( value );
+                }
+            }
+        );
+    }
+
+    @Override
+    public String toString(List value) {
+        return ( (List<String>) value ).stream().collect( Collectors.joining( DELIMITER ) );
+    }
+
+    @Override
+    public List fromString(String string) {
+        List<String> values = new ArrayList<>();
+        Collections.addAll( values, string.split( DELIMITER ) );
+        return values;
+    }
+
+    @Override
+    public <X> X unwrap(List value, Class<X> type, WrapperOptions options) {
+        return (X) toString( value );
+    }
+
+    @Override
+    public <X> List wrap(X value, WrapperOptions options) {
+        return fromString( (String) value );
+    }
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsMapType.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsMapType.java
new file mode 100644
index 0000000000..28eb1ad601
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsMapType.java
@@ -0,0 +1,31 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.List;
+import java.util.Map;
+
+import org.hibernate.type.AbstractSingleColumnStandardBasicType;
+import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class CommaDelimitedStringsMapType extends AbstractSingleColumnStandardBasicType<Map> {
+
+    public CommaDelimitedStringsMapType() {
+        super(
+            VarcharTypeDescriptor.INSTANCE,
+            new CommaDelimitedStringMapJavaTypeDescriptor()
+        );
+    }
+
+    @Override
+    public String getName() {
+        return "comma_delimited_string_map";
+    }
+}
\ No newline at end of file
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsType.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsType.java
new file mode 100644
index 0000000000..c15ac474d0
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CommaDelimitedStringsType.java
@@ -0,0 +1,30 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.List;
+
+import org.hibernate.type.AbstractSingleColumnStandardBasicType;
+import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class CommaDelimitedStringsType extends AbstractSingleColumnStandardBasicType<List> {
+
+    public CommaDelimitedStringsType() {
+        super(
+            VarcharTypeDescriptor.INSTANCE,
+            new CommaDelimitedStringsJavaTypeDescriptor()
+        );
+    }
+
+    @Override
+    public String getName() {
+        return "comma_delimited_strings";
+    }
+}
\ No newline at end of file
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Goods.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Goods.java
new file mode 100644
index 0000000000..b494b62fe0
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Goods.java
@@ -0,0 +1,50 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import javax.persistence.Convert;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import java.util.List;
+
+/**
+ * @author helloztt
+ */
+@Entity
+public class Goods {
+    private Long id;
+    private List<Product> productList;
+    private List<String> tags;
+
+    @Id
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    @OneToMany
+    public List<Product> getProductList() {
+        return productList;
+    }
+
+    public void setProductList(List<Product> productList) {
+        this.productList = productList;
+    }
+
+    @Convert(converter = StringToListConverter.class)
+    public List<String> getTags() {
+        return tags;
+    }
+
+    public void setTags(List<String> tags) {
+        this.tags = tags;
+    }
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Person.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Person.java
new file mode 100644
index 0000000000..c648f25e8d
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Person.java
@@ -0,0 +1,27 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
+
+/**
+ * @author Vlad Mihalcea
+ */
+@Entity(name = "Person")
+@TypeDef( name = "comma_delimited_strings", typeClass = CommaDelimitedStringsType.class)
+public class Person {
+
+	@Id
+	private Long id;
+
+	@Type(type = "comma_delimited_strings")
+	private List<String> phones = new ArrayList<>();
+
+	public List<String> getPhones() {
+		return phones;
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PersonPhone.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PersonPhone.java
new file mode 100644
index 0000000000..7d4c05417b
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PersonPhone.java
@@ -0,0 +1,28 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
+import org.hibernate.jpamodelgen.test.collectionbasictype.extras.Phone;
+
+/**
+ * @author Vlad Mihalcea
+ */
+@Entity(name = "Person")
+@TypeDef( name = "comma_delimited_strings", typeClass = CommaDelimitedStringsType.class)
+public class PersonPhone {
+
+	@Id
+	private Long id;
+
+	@Type(type = "comma_delimited_strings")
+	private List<Phone> phones = new ArrayList<>();
+
+	public List<Phone> getPhones() {
+		return phones;
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PhoneBook.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PhoneBook.java
new file mode 100644
index 0000000000..4ea42b0439
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/PhoneBook.java
@@ -0,0 +1,27 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import java.util.HashMap;
+import java.util.Map;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
+
+/**
+ * @author Vlad Mihalcea
+ */
+@Entity(name = "Person")
+@TypeDef( name = "comma_delimited_string_map", typeClass = CommaDelimitedStringsMapType.class)
+public class PhoneBook {
+
+	@Id
+	private Long id;
+
+	@Type(type = "comma_delimited_string_map")
+	private Map<String, String> phones = new HashMap<>();
+
+	public Map<String, String> getPhones() {
+		return phones;
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Product.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Product.java
new file mode 100644
index 0000000000..275c509254
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Product.java
@@ -0,0 +1,36 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+/**
+ * @author helloztt
+ */
+@Entity
+public class Product {
+    private int proId;
+    private String proName;
+
+    @Id
+    public int getProId() {
+        return proId;
+    }
+
+    public void setProId(int proId) {
+        this.proId = proId;
+    }
+
+    public String getProName() {
+        return proName;
+    }
+
+    public void setProName(String proName) {
+        this.proName = proName;
+    }
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/StringToListConverter.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/StringToListConverter.java
new file mode 100644
index 0000000000..41b96aacf0
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/StringToListConverter.java
@@ -0,0 +1,35 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import javax.persistence.AttributeConverter;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * @author helloztt
+ */
+public class StringToListConverter implements AttributeConverter<List<String>, String> {
+    private static final String COMMA = ",";
+
+    @Override
+    public String convertToDatabaseColumn(List<String> attribute) {
+        if (attribute == null || attribute.size() == 0) {
+            return null;
+        }
+        return attribute.stream().collect(Collectors.joining(COMMA));
+    }
+
+    @Override
+    public List<String> convertToEntityAttribute(String dbData) {
+        if (dbData == null || dbData.length() == 0) {
+            return null;
+        }
+        return Arrays.asList(dbData.split(COMMA));
+    }
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/extras/Phone.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/extras/Phone.java
new file mode 100644
index 0000000000..ad0f4b393e
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/extras/Phone.java
@@ -0,0 +1,19 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype.extras;
+
+import java.io.Serializable;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class Phone implements Serializable {
+
+	private String phoneNumber;
+
+	public String getPhoneNumber() {
+		return phoneNumber;
+	}
+
+	public void setPhoneNumber(String phoneNumber) {
+		this.phoneNumber = phoneNumber;
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/util/TestUtil.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/util/TestUtil.java
index 863aa8415d..f8ebe99512 100644
--- a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/util/TestUtil.java
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/util/TestUtil.java
@@ -101,6 +101,18 @@ public class TestUtil {
 		);
 	}
 
+	public static void assertAttributeTypeInMetaModelFor(Class<?> clazz, String fieldName, Type expectedType, String errorString) {
+		Field field = getFieldFromMetamodelFor( clazz, fieldName );
+		assertNotNull( "Cannot find field '" + fieldName + "' in " + clazz.getName(), field );
+		ParameterizedType type = (ParameterizedType) field.getGenericType();
+		Type actualType = type.getActualTypeArguments()[1];
+		assertEquals(
+				"Types do not match: " + buildErrorString( errorString, clazz ),
+				expectedType,
+				actualType
+		);
+	}
+
 	public static void assertListAttributeTypeInMetaModelFor(Class<?> clazz, String fieldName, Class<?> expectedType, String errorString) {
 		Field field = getFieldFromMetamodelFor( clazz, fieldName );
 		assertNotNull( "Cannot find field '" + fieldName + "' in " + clazz.getName(), field );