kbendick commented on a change in pull request #4266:
URL: https://github.com/apache/iceberg/pull/4266#discussion_r819945410
##########
File path:
core/src/main/java/org/apache/iceberg/rest/requests/UpdateNamespacePropertiesRequest.java
##########
@@ -19,109 +19,35 @@
package org.apache.iceberg.rest.requests;
-import java.util.Collection;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import java.util.List;
import java.util.Map;
-import java.util.Objects;
import org.apache.iceberg.relocated.com.google.common.base.MoreObjects;
-import org.apache.iceberg.relocated.com.google.common.base.Preconditions;
-import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList;
-import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap;
-import org.apache.iceberg.relocated.com.google.common.collect.ImmutableSet;
-import org.apache.iceberg.relocated.com.google.common.collect.Maps;
+import org.immutables.value.Value;
/**
* A REST request to set and/or remove properties on a namespace.
+ *
+ * Note that Immutable classes by definition don't have a default no-arg
constructor (which is required for Jackson),
+ * therefore the @{@link JsonSerialize}/@{@link JsonDeserialize} annotations
on the class will generate what's
+ * necessary for Jackson-binding to properly work with this class.
*/
-public class UpdateNamespacePropertiesRequest {
-
- private List<String> removals;
- private Map<String, String> updates;
-
- public UpdateNamespacePropertiesRequest() {
- // Required for Jackson deserialization.
- }
[email protected]
+@JsonSerialize(as = ImmutableUpdateNamespacePropertiesRequest.class)
+@JsonDeserialize(as = ImmutableUpdateNamespacePropertiesRequest.class)
+public abstract class UpdateNamespacePropertiesRequest {
- private UpdateNamespacePropertiesRequest(List<String> removals, Map<String,
String> updates) {
- this.removals = removals;
- this.updates = updates;
- validate();
- }
+ public abstract List<String> removals();
- UpdateNamespacePropertiesRequest validate() {
- return this;
- }
-
- public List<String> removals() {
- return removals == null ? ImmutableList.of() : removals;
- }
-
- public Map<String, String> updates() {
- return updates == null ? ImmutableMap.of() : updates;
- }
+ public abstract Map<String, String> updates();
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
- .add("removals", removals)
- .add("updates", updates)
+ .add("removals", removals())
+ .add("updates", updates())
.toString();
}
-
- public static Builder builder() {
- return new Builder();
- }
-
- public static class Builder {
- private final ImmutableSet.Builder<String> removalsBuilder =
ImmutableSet.builder();
- private final ImmutableMap.Builder<String, String> updatesBuilder =
ImmutableMap.builder();
-
- private Builder() {
- }
-
- public Builder remove(String removal) {
- Preconditions.checkNotNull(removal,
- "Invalid property to remove: null");
- removalsBuilder.add(removal);
- return this;
- }
-
- public Builder removeAll(Collection<String> removals) {
- Preconditions.checkNotNull(removals,
- "Invalid list of properties to remove: null");
- Preconditions.checkArgument(!removals.contains(null),
- "Invalid property to remove: null");
- removalsBuilder.addAll(removals);
- return this;
- }
-
- public Builder update(String key, String value) {
- Preconditions.checkNotNull(key,
- "Invalid property to update: null");
- Preconditions.checkNotNull(value,
- "Invalid value to update for key [%s]: null. Use remove instead",
key);
Review comment:
Is it possible to have a value of `null` in one of the map collections
with immutables (like a configuration or annotation to put on the class maybe)?
That's not needed for these classes, but just curious.
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