isSetter now recognizes Builder pattern, where this is returned instead of void

jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java

@@ -188,7 +188,7 @@ public class CompileTimeRowToObjectMapper {
 					continue;
 				final ExecutableElement m = (ExecutableElement) e;
 				//System.out.printf("method: '%s', isSetterMethod: '%s'\n", m, isSetterMethod(m));
-				if (isSetterMethod(m)) {
+				if (isSetterMethod(m, declaredReturnType)) { // todo: in RowToObjectMapper we send in this top one, but how does it or this handle methods on parent classes?
 					String fieldName = m.getSimpleName().toString().substring(3).toUpperCase();
 					//System.out.println("METHOD-fieldName1: "+fieldName);
 					if (!mapFields.containsKey(fieldName)) {
@@ -289,13 +289,14 @@ public class CompileTimeRowToObjectMapper {
 	 * @param method Method to check
 	 * @return True if the method is a setter method.
 	 */
-	protected boolean isSetterMethod(final ExecutableElement method) {
+	protected boolean isSetterMethod(final ExecutableElement method, final TypeMirror enclosingClass) {
 		if (method.getSimpleName().toString().startsWith("set")) {
 
 			final Set<Modifier> modifiers = method.getModifiers();
 			if (modifiers.contains(Modifier.STATIC)) return false;
 			if (!modifiers.contains(Modifier.PUBLIC)) return false;
-			if (TypeKind.VOID != method.getReturnType().getKind()) return false;
+			final TypeMirror methodReturnType = method.getReturnType();
+			if (TypeKind.VOID != method.getReturnType().getKind() && !rsm.types.isSameType(enclosingClass, methodReturnType)) return false;
 
 			// method parameter checks
 			final List<? extends VariableElement> params = method.getParameters();

jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/JdbcMapperTest.java

@@ -216,6 +216,11 @@ public class JdbcMapperTest {
 		assertEquals(fieldPerson1, dao.getPerson(fieldPerson1.getPersonNo()));
 	}
 
+	@Test
+	public void testBuilderPerson() throws SQLException {
+		assertEquals(new BuilderPerson(fieldPerson1), dao.getBuilderPerson(fieldPerson1.getPersonNo()));
+	}
+
 	@Test
 	public void testSinglePersonNameArray() throws SQLException {
 		assertArrayEquals(new String[]{fieldPerson1.getFirstName(), fieldPerson1.getLastName()}, dao.getSinglePersonNameArray(fieldPerson1.getPersonNo()));

jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java

@@ -75,6 +75,9 @@ public interface PersonDAO extends JdbcMapper {
 	@JdbcMapper.SQL(value = "SELECT person_no, first_name, last_name, birth_date FROM person WHERE person_no = {personNo}")
 	FieldPerson getPerson(long personNo) throws SQLException;
 
+	@JdbcMapper.SQL(value = "SELECT person_no, first_name, last_name, birth_date FROM person WHERE person_no = {personNo}")
+	BuilderPerson getBuilderPerson(long personNo) throws SQLException;
+
 	@JdbcMapper.SQL("SELECT first_name, last_name, birth_date FROM person WHERE person_no = {personNo}")
 	FieldPerson getPerson(long personNo, Calendar cal) throws SQLException;
 

querymapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java

@@ -430,7 +430,7 @@ public class RowToObjectMapper<K, T> extends AbstractRowMapper<K, T> {
 		Method[] classMethods = _returnTypeClass.getMethods();
 		for (Method m : classMethods) {
 			//System.out.printf("method: '%s', isSetterMethod: '%s'\n", m, isSetterMethod(m));
-			if (isSetterMethod(m)) {
+			if (isSetterMethod(m, _returnTypeClass)) {
 				String fieldName = m.getName().substring(3).toUpperCase();
 				//System.out.println("METHOD-fieldName1: "+fieldName);
 				if (!mapFields.containsKey(fieldName)) {
@@ -551,12 +551,13 @@ public class RowToObjectMapper<K, T> extends AbstractRowMapper<K, T> {
 	 * @param method Method to check
 	 * @return True if the method is a setter method.
 	 */
-	protected boolean isSetterMethod(Method method) {
+	protected boolean isSetterMethod(final Method method, final Class<?> enclosingClass) {
 		if (method.getName().startsWith("set")) {
 
 			if (Modifier.isStatic(method.getModifiers())) return false;
 			if (!Modifier.isPublic(method.getModifiers())) return false;
-			if (!Void.TYPE.equals(method.getReturnType())) return false;
+			final Class<?> methodReturnType = method.getReturnType();
+			if (!Void.TYPE.equals(methodReturnType) && !enclosingClass.equals(methodReturnType)) return false;
 
 			// method parameter checks
 			Class[] params = method.getParameterTypes();

querymapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java

@@ -164,6 +164,11 @@ public class QueryMapperTest {
 		testPerson(fieldPerson1, personRegular);
 	}
 
+	@Test
+	public void testBuilderPerson() throws Throwable {
+		testPerson(new BuilderPerson(fieldPerson1), personRegular);
+	}
+
 	@Test
 	public void testFieldRegularAndUnderscore() throws Throwable {
 		testPerson(fieldBoss1, bossRegularAndUnderscore);

querymapper/src/test/java/com/moparisthebest/jdbc/dto/BuilderPerson.java

@@ -0,0 +1,82 @@
+package com.moparisthebest.jdbc.dto;
+
+import java.util.Date;
+
+public class BuilderPerson implements Person {
+
+	protected long personNo;
+	protected Date birthDate;
+	protected String firstName;
+	protected String lastName;
+
+	private boolean setterCalled = false;
+
+	public BuilderPerson() {
+	}
+
+	public BuilderPerson(Person person) {
+		this.personNo = person.getPersonNo();
+		this.birthDate = person.getBirthDate();
+		this.lastName = person.getLastName();
+		this.firstName = person.getFirstName();
+		this.setterCalled = true; // for convenience
+	}
+
+	@Override
+	public long getPersonNo() {
+		return personNo;
+	}
+
+	public BuilderPerson setPersonNo(final long personNo) {
+		this.personNo = personNo;
+		this.setterCalled = true;
+		return this;
+	}
+
+	@Override
+	public Date getBirthDate() {
+		return birthDate;
+	}
+
+	public BuilderPerson setBirthDate(final Date birthDate) {
+		this.birthDate = birthDate;
+		this.setterCalled = true;
+		return this;
+	}
+
+	@Override
+	public String getFirstName() {
+		return firstName;
+	}
+
+	public BuilderPerson setFirstName(final String firstName) {
+		this.firstName = firstName;
+		this.setterCalled = true;
+		return this;
+	}
+
+	@Override
+	public String getLastName() {
+		return lastName;
+	}
+
+	public BuilderPerson setLastName(final String lastName) {
+		this.lastName = lastName;
+		this.setterCalled = true;
+		return this;
+	}
+
+	@Override
+	public boolean equals(final Object o) {
+		if(!setterCalled || (o instanceof BuilderPerson && !((BuilderPerson)o).setterCalled))
+			throw new RuntimeException("setter not called");
+		return PersonEqualsHashCode.equals(this, o);
+	}
+
+	@Override
+	public int hashCode() {
+		if(!setterCalled)
+			throw new RuntimeException("setter not called");
+		return PersonEqualsHashCode.hashCode(this);
+	}
+}

querymapper/src/test/java/com/moparisthebest/jdbc/dto/FieldPerson.java

@@ -46,27 +46,13 @@ public class FieldPerson implements Person {
 	}
 
 	@Override
-	public boolean equals(Object o) {
-		if (this == o) return true;
-		if (!(o instanceof FieldPerson)) return false;
-
-		FieldPerson person = (FieldPerson) o;
-
-		if (personNo != person.personNo) return false;
-		if (birthDate != null ? !birthDate.equals(person.birthDate) : person.birthDate != null) return false;
-		if (firstName != null ? !firstName.equals(person.firstName) : person.firstName != null) return false;
-		if (lastName != null ? !lastName.equals(person.lastName) : person.lastName != null) return false;
-
-		return true;
+	public boolean equals(final Object o) {
+		return PersonEqualsHashCode.equals(this, o);
 	}
 
 	@Override
 	public int hashCode() {
-		int result = (int) (personNo ^ (personNo >>> 32));
-		result = 31 * result + (birthDate != null ? birthDate.hashCode() : 0);
-		result = 31 * result + (firstName != null ? firstName.hashCode() : 0);
-		result = 31 * result + (lastName != null ? lastName.hashCode() : 0);
-		return result;
+		return PersonEqualsHashCode.hashCode(this);
 	}
 
 	@Override

querymapper/src/test/java/com/moparisthebest/jdbc/dto/PersonEqualsHashCode.java

@@ -0,0 +1,25 @@
+package com.moparisthebest.jdbc.dto;
+
+public class PersonEqualsHashCode {
+	public static boolean equals(final Person thiss, final Object o) {
+		if (thiss == o) return true;
+		if (!(o instanceof Person)) return false;
+
+		final Person that = (Person) o;
+
+		if (thiss.getPersonNo() != that.getPersonNo()) return false;
+		if (thiss.getBirthDate() != null ? !thiss.getBirthDate().equals(that.getBirthDate()) : that.getBirthDate() != null)
+			return false;
+		if (thiss.getFirstName() != null ? !thiss.getFirstName().equals(that.getFirstName()) : that.getFirstName() != null)
+			return false;
+		return thiss.getLastName() != null ? thiss.getLastName().equals(that.getLastName()) : that.getLastName() == null;
+	}
+
+	public static int hashCode(final Person thiss) {
+		int result = (int) (thiss.getPersonNo() ^ (thiss.getPersonNo() >>> 32));
+		result = 31 * result + (thiss.getBirthDate() != null ? thiss.getBirthDate().hashCode() : 0);
+		result = 31 * result + (thiss.getFirstName() != null ? thiss.getFirstName().hashCode() : 0);
+		result = 31 * result + (thiss.getLastName() != null ? thiss.getLastName().hashCode() : 0);
+		return result;
+	}
+}