aokolnychyi commented on code in PR #50253:
URL: https://github.com/apache/spark/pull/50253#discussion_r2019056747


##########
sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/constraints/BaseConstraint.java:
##########
@@ -0,0 +1,135 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.connector.catalog.constraints;
+
+import java.util.StringJoiner;
+
+import org.apache.spark.sql.connector.expressions.NamedReference;
+
+abstract class BaseConstraint implements Constraint {
+
+  private final String name;
+  private final boolean enforced;
+  private final ValidationStatus validationStatus;
+  private final boolean rely;
+
+  protected BaseConstraint(
+      String name,
+      boolean enforced,
+      ValidationStatus validationStatus,
+      boolean rely) {
+    this.name = name;
+    this.enforced = enforced;
+    this.validationStatus = validationStatus;
+    this.rely = rely;
+  }
+
+  protected abstract String definition();
+
+  @Override
+  public String name() {
+    return name;
+  }
+
+  @Override
+  public boolean enforced() {
+    return enforced;
+  }
+
+  @Override
+  public ValidationStatus validationStatus() {
+    return validationStatus;
+  }
+
+  @Override
+  public boolean rely() {
+    return rely;
+  }
+
+  @Override
+  public String toDDL() {
+    return String.format(
+        "CONSTRAINT %s %s %s %s %s",
+        name,
+        definition(),
+        enforced ? "ENFORCED" : "NOT ENFORCED",
+        validationStatus,
+        rely ? "RELY" : "NORELY");
+  }
+
+  @Override
+  public String toString() {
+    return toDDL();
+  }
+
+  protected String toSQL(NamedReference[] columns) {
+    StringJoiner joiner = new StringJoiner(", ");
+
+    for (NamedReference column : columns) {
+      joiner.add(column.toString());
+    }
+
+    return joiner.toString();
+  }
+
+  abstract static class Builder<B, C> {
+    private final String name;
+    private boolean enforced = true;
+    private ValidationStatus validationStatus = ValidationStatus.UNVALIDATED;
+    private boolean rely = false;
+
+    Builder(String name) {
+      this.name = name;
+    }
+
+    protected abstract B self();
+
+    public abstract C build();
+
+    public String name() {
+      return name;
+    }
+
+    public B enforced(boolean enforced) {
+      this.enforced = enforced;
+      return self();
+    }
+
+    public boolean enforced() {
+      return enforced;
+    }
+
+    public B validationStatus(ValidationStatus validationStatus) {
+      this.validationStatus = validationStatus;

Review Comment:
   Added.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to