Use CodeGen to parse operators to SQL

src/main/java/com/speedment/orm/core/manager/sql/generator/BinaryPredicateBuilderView.java

@@ -0,0 +1,53 @@
+/**
+ *
+ * Copyright (c) 2006-2015, Speedment, Inc. All Rights Reserved.
+ *
+ * Licensed 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 com.speedment.orm.core.manager.sql.generator;
+
+import com.speedment.codegen.base.Generator;
+import com.speedment.codegen.base.Transform;
+import com.speedment.orm.field.StandardBinaryOperator;
+import com.speedment.orm.field.reference.BinaryPredicateBuilder;
+import java.util.Optional;
+
+/**
+ *
+ * @author Emil Forslund
+ */
+public class BinaryPredicateBuilderView implements Transform<BinaryPredicateBuilder, String> {
+
+	private String render(StandardBinaryOperator op) {
+		switch (op) {
+			case EQUAL :			return " == ";
+			case GREATER_OR_EQUAL : return " >= ";
+			case GREATER_THAN :		return " > ";
+			case LESS_OR_EQUAL :	return " <= ";
+			case LESS_THAN :		return " < ";
+			case NOT_EQUAL :		return " <> ";
+			default : throw new UnsupportedOperationException(
+				"Unknown enum constant " + op.name() + "."
+			);
+		}
+	}
+
+	@Override
+	public Optional<String> transform(Generator gen, BinaryPredicateBuilder model) {
+		return Optional.of(
+			model.getField().getColumn().getName() + 
+			render(model.getOperator()) + 
+			"?"
+		);
+	}
+}

src/main/java/com/speedment/orm/core/manager/sql/generator/SQLGenerator.java

@@ -0,0 +1,30 @@
+/**
+ *
+ * Copyright (c) 2006-2015, Speedment, Inc. All Rights Reserved.
+ *
+ * Licensed 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 com.speedment.orm.core.manager.sql.generator;
+
+import com.speedment.codegen.base.DefaultGenerator;
+
+/**
+ *
+ * @author Emil Forslund
+ */
+public class SQLGenerator extends DefaultGenerator {
+
+	public SQLGenerator() {
+		super (new SQLTransformFactory());
+	}
+}

src/main/java/com/speedment/orm/core/manager/sql/generator/SQLTransformFactory.java

@@ -0,0 +1,34 @@
+/**
+ *
+ * Copyright (c) 2006-2015, Speedment, Inc. All Rights Reserved.
+ *
+ * Licensed 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 com.speedment.orm.core.manager.sql.generator;
+
+import com.speedment.codegen.base.DefaultTransformFactory;
+import com.speedment.orm.field.reference.BinaryPredicateBuilder;
+import com.speedment.orm.field.reference.UnaryPredicateBuilder;
+
+/**
+ *
+ * @author Emil Forslund
+ */
+public class SQLTransformFactory extends DefaultTransformFactory {
+
+	public SQLTransformFactory() {
+		super (SQLTransformFactory.class.getSimpleName());
+		install(UnaryPredicateBuilder.class, UnaryPredicateBuilderView.class);
+		install(BinaryPredicateBuilder.class, BinaryPredicateBuilderView.class);
+	}
+}

src/main/java/com/speedment/orm/core/manager/sql/generator/UnaryPredicateBuilderView.java

@@ -0,0 +1,50 @@
+/**
+ *
+ * Copyright (c) 2006-2015, Speedment, Inc. All Rights Reserved.
+ *
+ * Licensed 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 com.speedment.orm.core.manager.sql.generator;
+
+import com.speedment.codegen.base.Generator;
+import com.speedment.codegen.base.Transform;
+import com.speedment.orm.field.StandardUnaryOperator;
+import static com.speedment.orm.field.StandardUnaryOperator.IS_NOT_NULL;
+import static com.speedment.orm.field.StandardUnaryOperator.IS_NULL;
+import com.speedment.orm.field.reference.UnaryPredicateBuilder;
+import java.util.Optional;
+
+/**
+ *
+ * @author Emil Forslund
+ */
+public class UnaryPredicateBuilderView implements Transform<UnaryPredicateBuilder, String> {
+
+	private String render(StandardUnaryOperator op) {
+		switch (op) {
+			case IS_NOT_NULL : return " <> NULL";
+			case IS_NULL : return " == NULL";
+			default : throw new UnsupportedOperationException(
+				"Unknown enum constant " + op.name() + "."
+			);
+		}
+	}
+
+	@Override
+	public Optional<String> transform(Generator gen, UnaryPredicateBuilder model) {
+		return Optional.of(
+			model.getField().getColumn().getName() + 
+			render(model.getOperator())
+		);
+	}
+}

src/main/java/com/speedment/orm/field/reference/BinaryPredicateBuilder.java

@@ -75,7 +75,7 @@ public V getValue() {
     }
 
     @Override
-    public Operator getOperator() {
+    public StandardBinaryOperator getOperator() {
         return binaryOperator;
     }
 

src/main/java/com/speedment/orm/field/reference/UnaryPredicateBuilder.java

@@ -53,7 +53,7 @@ public ReferenceField getField() {
     }
 
     @Override
-    public Operator getOperator() {
+    public StandardUnaryOperator getOperator() {
         return unaryOperator;
     }