XJDKC commented on code in PR #724:
URL: https://github.com/apache/polaris/pull/724#discussion_r1925784309


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service/common/src/main/java/org/apache/polaris/service/catalog/io/DefaultFileIOFactory.java:
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@@ -19,18 +19,157 @@
 package org.apache.polaris.service.catalog.io;
 
 import io.smallrye.common.annotation.Identifier;
+import jakarta.annotation.Nonnull;
 import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
 import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.iceberg.CatalogUtil;
+import org.apache.iceberg.catalog.TableIdentifier;
 import org.apache.iceberg.io.FileIO;
+import org.apache.polaris.core.PolarisConfiguration;
+import org.apache.polaris.core.PolarisConfigurationStore;
+import org.apache.polaris.core.context.RealmContext;
+import org.apache.polaris.core.entity.PolarisEntity;
+import org.apache.polaris.core.entity.PolarisEntityConstants;
+import org.apache.polaris.core.persistence.PolarisEntityManager;
+import org.apache.polaris.core.persistence.PolarisMetaStoreManager;
+import org.apache.polaris.core.persistence.PolarisMetaStoreSession;
+import org.apache.polaris.core.persistence.PolarisResolvedPathWrapper;
+import org.apache.polaris.core.storage.PolarisCredentialVendor;
+import org.apache.polaris.core.storage.PolarisStorageActions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /** A simple FileIOFactory implementation that defers all the work to the 
Iceberg SDK */
 @ApplicationScoped
 @Identifier("default")
 public class DefaultFileIOFactory implements FileIOFactory {
+  private static final Logger LOGGER = 
LoggerFactory.getLogger(DefaultFileIOFactory.class);
+
+  private final RealmContext realmContext;
+  private final PolarisEntityManager entityManager;
+  private final PolarisMetaStoreManager metaStoreManager;
+  private final PolarisMetaStoreSession metaStoreSession;
+  private final PolarisConfigurationStore configurationStore;
+
+  @Inject
+  public DefaultFileIOFactory(
+      RealmContext realmContext,
+      PolarisEntityManager entityManager,
+      PolarisMetaStoreManager metaStoreManager,
+      PolarisMetaStoreSession metaStoreSession,
+      PolarisConfigurationStore polarisConfigurationStore) {

Review Comment:
   Thanks for pointing it out! The previous version was just a demo to 
illustrate the idea. Now I pushed the code with the actual implementation, this 
class is annotated as RequestScoped now!



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