Spark: Deprecate SparkAppenderFactory (#11076)

Author: ajantha-bhat

spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkAppenderFactory.java

@@ -48,6 +48,10 @@
 import org.apache.spark.sql.types.StructType;
 import org.apache.spark.unsafe.types.UTF8String;
 
+/**
+ * @deprecated since 1.7.0, will be removed in 1.8.0; use {@link SparkFileWriterFactory} instead.
+ */
+@Deprecated
 class SparkAppenderFactory implements FileAppenderFactory<InternalRow> {
   private final Map<String, String> properties;
   private final Schema writeSchema;

spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkAppenderFactory.java

@@ -49,6 +49,10 @@
 import org.apache.spark.sql.types.StructType;
 import org.apache.spark.unsafe.types.UTF8String;
 
+/**
+ * @deprecated since 1.7.0, will be removed in 1.8.0; use {@link SparkFileWriterFactory} instead.
+ */
+@Deprecated
 class SparkAppenderFactory implements FileAppenderFactory<InternalRow> {
   private final Map<String, String> properties;
   private final Schema writeSchema;

spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkAppenderFactory.java

@@ -49,6 +49,10 @@
 import org.apache.spark.sql.types.StructType;
 import org.apache.spark.unsafe.types.UTF8String;
 
+/**
+ * @deprecated since 1.7.0, will be removed in 1.8.0; use {@link SparkFileWriterFactory} instead.
+ */
+@Deprecated
 class SparkAppenderFactory implements FileAppenderFactory<InternalRow> {
   private final Map<String, String> properties;
   private final Schema writeSchema;