Adapt to changed PersistentProperty interface.

Closes #1428

Author: mp911de

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/core/convert/AnnotatedCassandraConstructorProperty.java

@@ -221,6 +221,11 @@ public boolean isWritable() {
 		return delegate.isWritable();
 	}
 
+	@Override
+	public boolean isReadable() {
+		return delegate.isReadable();
+	}
+
 	@Override
 	public boolean isImmutable() {
 		return delegate.isImmutable();

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/core/convert/CassandraConstructorProperty.java

@@ -210,6 +210,11 @@ public boolean isWritable() {
 		return false;
 	}
 
+	@Override
+	public boolean isReadable() {
+		return true;
+	}
+
 	@Override
 	public boolean isImmutable() {
 		return false;

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/core/mapping/EmbeddedEntityOperations.java

@@ -29,19 +29,7 @@
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
 import org.springframework.data.cassandra.core.cql.Ordering;
-import org.springframework.data.mapping.Alias;
-import org.springframework.data.mapping.Association;
-import org.springframework.data.mapping.AssociationHandler;
-import org.springframework.data.mapping.IdentifierAccessor;
-import org.springframework.data.mapping.InstanceCreatorMetadata;
-import org.springframework.data.mapping.PersistentEntity;
-import org.springframework.data.mapping.PersistentProperty;
-import org.springframework.data.mapping.PersistentPropertyAccessor;
-import org.springframework.data.mapping.PersistentPropertyPathAccessor;
-import org.springframework.data.mapping.PreferredConstructor;
-import org.springframework.data.mapping.PropertyHandler;
-import org.springframework.data.mapping.SimpleAssociationHandler;
-import org.springframework.data.mapping.SimplePropertyHandler;
+import org.springframework.data.mapping.*;
 import org.springframework.data.mapping.context.MappingContext;
 import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
@@ -563,6 +551,11 @@ public boolean isWritable() {
 			return delegate.isWritable();
 		}
 
+		@Override
+		public boolean isReadable() {
+			return delegate.isReadable();
+		}
+
 		@Override
 		public boolean isImmutable() {
 			return delegate.isImmutable();