Issue #7230 - JDBC type specific setters based on EclipseLink

Signed-off-by: Tomáš Kraus <[email protected]>

Author: Tomas-Kraus

dbclient/dbclient/src/main/java/io/helidon/dbclient/DbClientContext.java

@@ -32,7 +32,13 @@ public class DbClientContext implements DbContext {
     private final DbStatements statements;
     private final String dbType;
 
-    private DbClientContext(Builder builder) {
+    /**
+     * Create an instance of client context.
+     *
+     * @param builder Builder for {@link DbClientContext}
+     */
+    protected DbClientContext(
+            BuilderBase<? extends BuilderBase<?, ? extends DbClientContext>, ? extends DbClientContext> builder) {
         this.dbMapperManager = builder.dbMapperManager;
         this.mapperManager = builder.mapperManager;
         this.clientServices = builder.clientServices;
@@ -81,20 +87,33 @@ public static Builder builder() {
     /**
      * Builder for {@link DbClientContext}.
      */
-    public static class Builder implements io.helidon.common.Builder<Builder, DbClientContext> {
+    public static final class Builder extends BuilderBase<Builder, DbClientContext> {
+
+        @Override
+        public DbClientContext build() {
+            return new DbClientContext(this);
+        }
+
+    }
+
+    /**
+     * Base builder for {@link DbClientContext}.
+     *
+     * @param <B> type of the builder
+     * @param <T> type of the built instance
+     */
+    public abstract static class BuilderBase<B extends BuilderBase<B, T>, T extends DbClientContext> implements io.helidon.common.Builder<B, T> {
 
         private DbMapperManager dbMapperManager;
         private MapperManager mapperManager;
         private List<DbClientService> clientServices = List.of();
         private DbStatements statements;
         private String dbType;
 
-        private Builder() {
-        }
-
-        @Override
-        public DbClientContext build() {
-            return new DbClientContext(this);
+        /**
+         * Creates an instance of base builder for {@link DbClientContext}.
+         */
+        protected BuilderBase() {
         }
 
         /**
@@ -103,9 +122,9 @@ public DbClientContext build() {
          * @param dbMapperManager DB mapper manager
          * @return updated builder instance
          */
-        public Builder dbMapperManager(DbMapperManager dbMapperManager) {
+        public B dbMapperManager(DbMapperManager dbMapperManager) {
             this.dbMapperManager = dbMapperManager;
-            return this;
+            return identity();
         }
 
         /**
@@ -114,9 +133,9 @@ public Builder dbMapperManager(DbMapperManager dbMapperManager) {
          * @param mapperManager mapper manager
          * @return updated builder instance
          */
-        public Builder mapperManager(MapperManager mapperManager) {
+        public B mapperManager(MapperManager mapperManager) {
             this.mapperManager = mapperManager;
-            return this;
+            return identity();
         }
 
         /**
@@ -125,9 +144,9 @@ public Builder mapperManager(MapperManager mapperManager) {
          * @param clientServices client service list
          * @return updated builder instance
          */
-        public Builder clientServices(List<DbClientService> clientServices) {
+        public B clientServices(List<DbClientService> clientServices) {
             this.clientServices = clientServices;
-            return this;
+            return identity();
         }
 
         /**
@@ -136,9 +155,9 @@ public Builder clientServices(List<DbClientService> clientServices) {
          * @param statements statements
          * @return updated builder instance
          */
-        public Builder statements(DbStatements statements) {
+        public B statements(DbStatements statements) {
             this.statements = statements;
-            return this;
+            return identity();
         }
 
         /**
@@ -147,9 +166,9 @@ public Builder statements(DbStatements statements) {
          * @param dbType database provider type
          * @return updated builder instance
          */
-        public Builder dbType(String dbType) {
+        public B dbType(String dbType) {
             this.dbType = dbType;
-            return this;
+            return identity();
         }
     }
 }

dbclient/dbclient/src/main/java/io/helidon/dbclient/DbExecuteBase.java

@@ -56,6 +56,17 @@ protected DbClientContext context() {
         return context;
     }
 
+    /**
+     * Return database client context cast to it's extending class.
+     *
+     * @param cls {@link DbClientContext} extending class
+     * @return extended client context
+     * @param <C> client context extending type
+     */
+    protected <C extends DbClientContext> C context(Class<C> cls) {
+        return cls.cast(context);
+    }
+
     @Override
     public DbStatementQuery createNamedQuery(String statementName) {
         return createNamedQuery(statementName, statementText(statementName));

dbclient/dbclient/src/main/java/io/helidon/dbclient/DbExecuteContext.java

@@ -28,7 +28,13 @@ public class DbExecuteContext implements DbContext {
     private final String statement;
     private final DbClientContext clientContext;
 
-    private DbExecuteContext(Builder builder) {
+    /**
+     * Creates an instance of execution context.
+     *
+     * @param builder Helidon database client context builder
+     */
+    protected DbExecuteContext(
+            BuilderBase<? extends BuilderBase<?, ? extends DbExecuteContext>, ? extends DbExecuteContext> builder) {
         this.statementName = builder.statementName;
         this.statement = builder.statement;
         this.clientContext = builder.clientContext;
@@ -77,6 +83,17 @@ public String dbType() {
         return clientContext.dbType();
     }
 
+    /**
+     * Returns client context cast to it's extending class.
+     *
+     * @param cls {@link DbClientContext} extending class
+     * @return extended client context
+     * @param <C> client context extending type
+     */
+    protected <C extends DbClientContext> C clientContext(Class<C> cls) {
+        return cls.cast(clientContext);
+    }
+
     /**
      * Create a new execution context.
      *
@@ -102,10 +119,27 @@ public static Builder builder() {
         return new Builder();
     }
 
+
     /**
      * Builder for {@link DbExecuteContext}.
      */
-    public static class Builder implements io.helidon.common.Builder<Builder, DbExecuteContext> {
+    public static final class Builder extends BuilderBase<Builder, DbExecuteContext> {
+
+        @Override
+        public DbExecuteContext build() {
+            return new DbExecuteContext(this);
+        }
+
+    }
+
+    /**
+     * Base builder for {@link DbExecuteContext}.
+     *
+     * @param <B> type of the builder
+     * @param <T> type of the built instance
+     */
+    public abstract static class BuilderBase<B extends BuilderBase<B, T>, T extends DbExecuteContext>
+            implements io.helidon.common.Builder<B, T> {
 
         private String statementName;
         private String statement;
@@ -117,9 +151,9 @@ public static class Builder implements io.helidon.common.Builder<Builder, DbExec
          * @param statement statement
          * @return updated builder instance
          */
-        public Builder statement(String statement) {
+        public B statement(String statement) {
             this.statement = statement;
-            return this;
+            return identity();
         }
 
         /**
@@ -128,9 +162,9 @@ public Builder statement(String statement) {
          * @param statementName statement name
          * @return updated builder instance
          */
-        public Builder statementName(String statementName) {
+        public B statementName(String statementName) {
             this.statementName = statementName;
-            return this;
+            return identity();
         }
 
         /**
@@ -139,14 +173,10 @@ public Builder statementName(String statementName) {
          * @param clientContext client context
          * @return updated builder instance
          */
-        public Builder clientContext(DbClientContext clientContext) {
+        public B clientContext(DbClientContext clientContext) {
             this.clientContext = clientContext;
-            return this;
+            return identity();
         }
 
-        @Override
-        public DbExecuteContext build() {
-            return new DbExecuteContext(this);
-        }
     }
 }

dbclient/dbclient/src/main/java/io/helidon/dbclient/DbStatementBase.java

@@ -53,6 +53,17 @@ public DbExecuteContext context() {
         return context;
     }
 
+    /**
+     * Returns execution cast to it's extending class.
+     *
+     * @param cls {@link DbExecuteContext} extending class
+     * @return extended execution context
+     * @param <C> execution context extending type
+     */
+    protected <C extends DbExecuteContext> C context(Class<C> cls) {
+        return cls.cast(context);
+    }
+
     /**
      * Get the statement parameters.
      *
@@ -262,4 +273,5 @@ public S addParam(String name, byte[] parameter) {
     protected S identity() {
         return (S) this;
     }
+
 }

dbclient/jdbc/pom.xml

@@ -42,10 +42,28 @@
             <groupId>io.helidon.common.features</groupId>
             <artifactId>helidon-common-features-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.helidon.builder</groupId>
+            <artifactId>helidon-builder-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.config</groupId>
+            <artifactId>helidon-config-metadata</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.zaxxer</groupId>
             <artifactId>HikariCP</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.helidon.config</groupId>
+            <artifactId>helidon-config</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.config</groupId>
+            <artifactId>helidon-config-yaml</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
@@ -75,8 +93,35 @@
                             <artifactId>helidon-common-features-processor</artifactId>
                             <version>${helidon.version}</version>
                         </path>
+                        <path>
+                            <groupId>io.helidon.config</groupId>
+                            <artifactId>helidon-config-metadata-processor</artifactId>
+                            <version>${helidon.version}</version>
+                        </path>
+                        <path>
+                            <groupId>io.helidon.builder</groupId>
+                            <artifactId>helidon-builder-processor</artifactId>
+                            <version>${helidon.version}</version>
+                        </path>
                     </annotationProcessorPaths>
                 </configuration>
+                <dependencies>
+                    <dependency>
+                        <groupId>io.helidon.builder</groupId>
+                        <artifactId>helidon-builder-processor</artifactId>
+                        <version>${helidon.version}</version>
+                    </dependency>
+                    <dependency>
+                        <groupId>io.helidon.config</groupId>
+                        <artifactId>helidon-config-metadata-processor</artifactId>
+                        <version>${helidon.version}</version>
+                    </dependency>
+                    <dependency>
+                        <groupId>io.helidon.inject.configdriven</groupId>
+                        <artifactId>helidon-inject-configdriven-processor</artifactId>
+                        <version>${helidon.version}</version>
+                    </dependency>
+                </dependencies>
             </plugin>
         </plugins>
     </build>

dbclient/jdbc/src/main/java/io/helidon/dbclient/jdbc/JdbcClient.java

@@ -19,7 +19,6 @@
 
 import io.helidon.dbclient.DbClient;
 import io.helidon.dbclient.DbClientBase;
-import io.helidon.dbclient.DbClientContext;
 
 /**
  * Helidon DB implementation for JDBC drivers.
@@ -34,12 +33,13 @@ class JdbcClient extends DbClientBase implements DbClient {
      * @param builder builder
      */
     JdbcClient(JdbcClientBuilder builder) {
-        super(DbClientContext.builder()
+        super(JdbcClientContext.jdbcBuilder()
                 .statements(builder.statements())
                 .dbMapperManager(builder.dbMapperManager())
                 .mapperManager(builder.mapperManager())
                 .clientServices(builder.clientServices())
                 .dbType(builder.connectionPool().dbType())
+                .parametersSetter(builder.parametersConfig())
                 .build());
         connectionPool = builder.connectionPool();
     }
@@ -59,6 +59,11 @@ public String dbType() {
         return connectionPool.dbType();
     }
 
+    @Override
+    public JdbcClientContext context() {
+        return (JdbcClientContext) super.context();
+    }
+
     @Override
     public <C> C unwrap(Class<C> cls) {
         if (Connection.class.isAssignableFrom(cls)) {
@@ -70,4 +75,5 @@ public <C> C unwrap(Class<C> cls) {
             throw new UnsupportedOperationException(String.format("Class %s is not supported for unwrap", cls.getName()));
         }
     }
+
 }