updates

Author: chamikaramj

sdks/java/io/delta/build.gradle

@@ -33,7 +33,6 @@ def parquet_version = "1.16.0"
 
 dependencies {
     implementation project(path: ":sdks:java:core", configuration: "shadow")
-    implementation project(path: ":model:pipeline", configuration: "shadow")
     implementation library.java.delta_kernel_api
     implementation library.java.delta_kernel_defaults
 

sdks/java/io/delta/src/main/java/org/apache/beam/sdk/io/delta/DeltaReadSchemaTransformProvider.java

@@ -26,6 +26,7 @@
 import java.util.List;
 import java.util.Map;
 import org.apache.beam.model.pipeline.v1.ExternalTransforms;
+import org.apache.beam.sdk.io.delta.DeltaReadSchemaTransformProvider.Configuration;
 import org.apache.beam.sdk.schemas.AutoValueSchema;
 import org.apache.beam.sdk.schemas.NoSuchSchemaException;
 import org.apache.beam.sdk.schemas.SchemaRegistry;
@@ -67,7 +68,8 @@ static class DeltaReadSchemaTransform extends SchemaTransform {
     private final Configuration configuration;
 
     DeltaReadSchemaTransform(Configuration configuration) {
-      this.configuration = configuration;
+      this.configuration =
+          java.util.Objects.requireNonNull(configuration, "configuration cannot be null");
     }
 
     Row getConfigurationRow() {