Merge pull request #1611 from kazuki43zoo/add-constructor-with-annota…

…tion-on-sqlprovidersource

Add constructor that pass an Annotation type instead of Object on ProviderSqlSource

src/main/java/org/apache/ibatis/builder/annotation/ProviderSqlSource.java

@@ -46,7 +46,8 @@ public class ProviderSqlSource implements SqlSource {
   private Integer providerContextIndex;
 
   /**
-   * @deprecated Please use the {@link #ProviderSqlSource(Configuration, Object, Class, Method)} instead of this.
+   * @deprecated Since 3.5.3, Please use the {@link #ProviderSqlSource(Configuration, Annotation, Class, Method)} instead of this.
+   * This constructor will remove at a future version.
    */
   @Deprecated
   public ProviderSqlSource(Configuration configuration, Object provider) {
@@ -55,16 +56,26 @@ public ProviderSqlSource(Configuration configuration, Object provider) {
 
   /**
    * @since 3.4.5
+   * @deprecated Since 3.5.3, Please use the {@link #ProviderSqlSource(Configuration, Annotation, Class, Method)} instead of this.
+   * This constructor will remove at a future version.
    */
+  @Deprecated
   public ProviderSqlSource(Configuration configuration, Object provider, Class<?> mapperType, Method mapperMethod) {
+    this(configuration, (Annotation) provider , mapperType, mapperMethod);
+  }
+
+  /**
+   * @since 3.5.3
+   */
+  public ProviderSqlSource(Configuration configuration, Annotation provider, Class<?> mapperType, Method mapperMethod) {
     String providerMethodName;
     try {
       this.configuration = configuration;
       this.mapperMethod = mapperMethod;
       Lang lang = mapperMethod == null ? null : mapperMethod.getAnnotation(Lang.class);
       this.languageDriver = configuration.getLanguageDriver(lang == null ? null : lang.value());
       this.providerType = getProviderType(provider, mapperMethod);
-      providerMethodName = (String) provider.getClass().getMethod("method").invoke(provider);
+      providerMethodName = (String) provider.annotationType().getMethod("method").invoke(provider);
 
       if (providerMethodName.length() == 0 && ProviderMethodResolver.class.isAssignableFrom(this.providerType)) {
         this.providerMethod = ((ProviderMethodResolver) this.providerType.getDeclaredConstructor().newInstance())
@@ -192,18 +203,18 @@ private String invokeProviderMethod(Object... args) throws Exception {
     return sql != null ? sql.toString() : null;
   }
 
-  private Class<?> getProviderType(Object providerAnnotation, Method mapperMethod)
+  private Class<?> getProviderType(Annotation providerAnnotation, Method mapperMethod)
       throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
-    Class<?> type = (Class<?>) providerAnnotation.getClass().getMethod("type").invoke(providerAnnotation);
-    Class<?> value = (Class<?>) providerAnnotation.getClass().getMethod("value").invoke(providerAnnotation);
+    Class<?> type = (Class<?>) providerAnnotation.annotationType().getMethod("type").invoke(providerAnnotation);
+    Class<?> value = (Class<?>) providerAnnotation.annotationType().getMethod("value").invoke(providerAnnotation);
     if (value == void.class && type == void.class) {
       throw new BuilderException("Please specify either 'value' or 'type' attribute of @"
-          + ((Annotation) providerAnnotation).annotationType().getSimpleName()
+          + providerAnnotation.annotationType().getSimpleName()
           + " at the '" + mapperMethod.toString() + "'.");
     }
     if (value != void.class && type != void.class && value != type) {
       throw new BuilderException("Cannot specify different class on 'value' and 'type' attribute of @"
-          + ((Annotation) providerAnnotation).annotationType().getSimpleName()
+          + providerAnnotation.annotationType().getSimpleName()
           + " at the '" + mapperMethod.toString() + "'.");
     }
     return value == void.class ? type : value;

src/test/java/org/apache/ibatis/submitted/sqlprovider/SqlProviderTest.java

@@ -22,6 +22,7 @@
 import static org.junit.jupiter.api.Assertions.fail;
 
 import java.io.Reader;
+import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -298,12 +299,14 @@ void methodOverload() throws NoSuchMethodException {
   }
 
   @Test
-  void notSqlProvider() {
+  @SuppressWarnings("deprecation")
+  void notSqlProvider() throws NoSuchMethodException {
+    Object testAnnotation = getClass().getDeclaredMethod("notSqlProvider").getAnnotation(Test.class);
     try {
-      new ProviderSqlSource(new Configuration(), new Object(), null, null);
+      new ProviderSqlSource(new Configuration(), testAnnotation);
       fail();
     } catch (BuilderException e) {
-      assertTrue(e.getMessage().contains("Error creating SqlSource for SqlProvider.  Cause: java.lang.NoSuchMethodException: java.lang.Object.type()"));
+      assertTrue(e.getMessage().contains("Error creating SqlSource for SqlProvider.  Cause: java.lang.NoSuchMethodException: org.junit.jupiter.api.Test.type()"));
     }
   }
 
@@ -648,6 +651,15 @@ void providerContextAndMap() {
     }
   }
 
+  @Test
+  @SuppressWarnings("deprecation")
+  void keepBackwardCompatibilityOnDeprecatedConstructorWithAnnotation() throws NoSuchMethodException {
+    Class<?> mapperType = StaticMethodSqlProviderMapper.class;
+    Method mapperMethod = mapperType.getMethod("noArgument");
+    ProviderSqlSource sqlSource = new ProviderSqlSource(new Configuration(), (Object)mapperMethod.getAnnotation(SelectProvider.class), mapperType, mapperMethod);
+    assertEquals("SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS", sqlSource.getBoundSql(null).getSql());
+  }
+
   public interface ErrorMapper {
     @SelectProvider(type = ErrorSqlBuilder.class, method = "methodNotFound")
     void methodNotFound();