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Subject [GitHub] [ignite-3] SammyVimes commented on a change in pull request #5: IGNITE-13562 Unified configuration initial prototype
Date Thu, 03 Dec 2020 20:01:38 GMT

SammyVimes commented on a change in pull request #5:
URL: https://github.com/apache/ignite-3/pull/5#discussion_r535440706



##########
File path: modules/configuration/src/main/java/org/apache/ignite/configuration/internal/validation/FieldValidator.java
##########
@@ -0,0 +1,46 @@
+/*
+ * 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.ignite.configuration.internal.validation;
+
+import java.io.Serializable;
+import org.apache.ignite.configuration.internal.DynamicConfiguration;
+
+/**
+ * Base class for field validator. Contains exception message.
+ * @param <T> Field type.
+ * @param <C> Root configuration type.
+ */
+public abstract class FieldValidator<T extends Serializable, C extends DynamicConfiguration<?,
?, ?>> {
+    /** Validation error message. */
+    protected final String message;
+
+    /** Constructor. */
+    protected FieldValidator(String message) {
+        this.message = message;
+    }
+
+    /**
+     * Validate field.
+     *
+     * @param value New value.
+     * @param newRoot New configuration root.
+     * @param oldRoot Old configuration root.
+     */
+    public abstract void validate(T value, C newRoot, C oldRoot);

Review comment:
       I decided to go with the runtime exception in the end (added it to the signature and
docs of course)




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