LadyForest commented on a change in pull request #54:
URL: https://github.com/apache/flink-table-store/pull/54#discussion_r831717136
##########
File path:
flink-table-store-connector/src/main/java/org/apache/flink/table/store/connector/TableStore.java
##########
@@ -171,6 +181,83 @@ private FileStore buildFileStore() {
tableIdentifier, options, user, partitionType, keyType,
valueType, mergeFunction);
}
+ //
--------------------------------------------------------------------------------------------
+
+ /** A builder for constructing a immutable {@link TableStore}. */
+ public static final class TableStoreBuilder {
+
+ private Configuration options;
+ private ObjectIdentifier tableIdentifier;
+ private RowType type;
+
+ private List<String> primaryKeys = new ArrayList<>();
+ private List<String> partitionKeys = new ArrayList<>();
+ private String user = UUID.randomUUID().toString();
+
+ public TableStoreBuilder withConfiguration(Configuration options) {
+ this.options = options;
+ return this;
+ }
+
+ public TableStoreBuilder withTableIdentifier(ObjectIdentifier
tableIdentifier) {
+ this.tableIdentifier = tableIdentifier;
+ return this;
+ }
+
+ public TableStoreBuilder withSchema(RowType type) {
+ this.type = type;
+ return this;
+ }
+
+ public TableStoreBuilder withPrimaryKeys(List<String> primaryKeys) {
+ this.primaryKeys = primaryKeys;
+ return this;
+ }
+
+ public TableStoreBuilder withPartitionKeys(List<String> partitionKeys)
{
+ this.partitionKeys = partitionKeys;
+ return this;
+ }
+
+ public TableStoreBuilder withUser(String user) {
+ this.user = user;
+ return this;
+ }
+
+ public TableStore build() {
+ List<int[]> indices = adjustAndValidate();
+ return new TableStore(
+ options, tableIdentifier, type, indices.get(0),
indices.get(1), user);
+ }
+
+ private List<int[]> adjustAndValidate() {
Review comment:
It's weird that `TableStore` must be first specified with schema then
specified with pk and partitions, why do we impose the order?
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