[GitHub] [shardingsphere] strongduanmu commented on a diff in pull request #23088: Implement ResultDecoratorEngine for MaskRule and add mask processing logic

[GitBox <gi...@apache.org>]

strongduanmu commented on code in PR #23088:
URL: https://github.com/apache/shardingsphere/pull/23088#discussion_r1056911431


##########
features/mask/core/src/main/java/org/apache/shardingsphere/mask/merge/dql/MaskAlgorithmMetaData.java:
##########
@@ -0,0 +1,101 @@
+/*
+ * 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.shardingsphere.mask.merge.dql;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.infra.binder.segment.select.projection.Projection;
+import org.apache.shardingsphere.infra.binder.segment.select.projection.impl.ColumnProjection;
+import org.apache.shardingsphere.infra.binder.segment.table.TablesContext;
+import org.apache.shardingsphere.infra.binder.statement.dml.SelectStatementContext;
+import org.apache.shardingsphere.infra.database.type.DatabaseTypeEngine;
+import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
+import org.apache.shardingsphere.mask.context.MaskContextBuilder;
+import org.apache.shardingsphere.mask.rule.MaskRule;
+import org.apache.shardingsphere.mask.spi.MaskAlgorithm;
+import org.apache.shardingsphere.mask.spi.context.MaskContext;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Mask algorithm meta data.
+ */
+@SuppressWarnings("rawtypes")
+@RequiredArgsConstructor
+public final class MaskAlgorithmMetaData {
+    
+    private final ShardingSphereDatabase database;
+    
+    private final MaskRule maskRule;
+    
+    private final SelectStatementContext selectStatementContext;
+    
+    /**
+     * Find MaskAlgorithm.

Review Comment:
   `Find mask algorithm.` may be better.



##########
features/mask/core/src/main/java/org/apache/shardingsphere/mask/rule/MaskRule.java:
##########
@@ -48,6 +49,18 @@ public MaskRule(final MaskRuleConfiguration ruleConfig) {
         ruleConfig.getTables().forEach(each -> tables.put(each.getName().toLowerCase(), new MaskTable(each)));
     }
     
+    /**
+     * Find maskAlgorithm.

Review Comment:
   `Find mask algorithm.` may be better.



##########
features/mask/api/src/main/java/org/apache/shardingsphere/mask/spi/context/MaskContext.java:
##########
@@ -0,0 +1,37 @@
+/*
+ * 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.shardingsphere.mask.spi.context;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * Mask context.
+ */
+@RequiredArgsConstructor
+@Getter
+public final class MaskContext {

Review Comment:
   Why we need MaskContext?



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