[#5276] Add ParamMode, an enum to specify if a parameter is IN, OUT, or INOUT

jOOQ/src/main/java/org/jooq/Param.java

@@ -125,4 +125,9 @@ public interface Param<T> extends Field<T> {
      * The parameter type.
      */
     ParamType getParamType();
+
+    /**
+     * The parameter mode.
+     */
+    ParamMode getParamMode();
 }

jOOQ/src/main/java/org/jooq/ParamMode.java

@@ -0,0 +1,66 @@
+/**
+ * Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
+ * 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.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq;
+
+/**
+ * The mode of a {@link Param}.
+ *
+ * @author Lukas Eder
+ */
+public enum ParamMode {
+
+    /**
+     * An <code>IN</code> parameter.
+     * <p>
+     * This is the default parameter mode if no explicit mode was specified.
+     */
+    IN,
+
+    /**
+     * An <code>OUT</code> parameter.
+     */
+    OUT,
+
+    /**
+     * An <code>IN OUT</code> parameter.
+     */
+    INOUT;
+}

jOOQ/src/main/java/org/jooq/impl/AbstractParam.java

@@ -52,6 +52,7 @@ import org.jooq.Clause;
 import org.jooq.Context;
 import org.jooq.DataType;
 import org.jooq.Param;
+import org.jooq.ParamMode;
 import org.jooq.UDTRecord;
 import org.jooq.conf.ParamType;
 import org.jooq.tools.StringUtils;
@@ -170,4 +171,9 @@ abstract class AbstractParam<T> extends AbstractField<T> implements Param<T> {
              : NAMED
              ;
     }
+
+    @Override
+    public final ParamMode getParamMode() {
+        return ParamMode.IN;
+    }
 }