1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/ode/events/Action.java b/src/main/java/org/apache/commons/math3/ode/events/Action.java
new file mode 100644
index 0000000..ea7fa51
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/ode/events/Action.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.commons.math3.ode.events;
+
+/** Enumerate for actions to be performed when an event occurs during ODE integration.
+ * @since 3.6
+ */
+public enum Action {
+
+    /** Stop indicator.
+     * <p>This value should be used as the return value of the {@code
+     * eventOccurred} method when the integration should be
+     * stopped after the event ending the current step.</p>
+     */
+    STOP,
+
+    /** Reset state indicator.
+     * <p>This value should be used as the return value of the {@code
+     * eventOccurred}} method when the integration should
+     * go on after the event ending the current step, with a new state
+     * vector (which will be retrieved thanks to the {@code resetState}
+     * method).</p>
+     */
+    RESET_STATE,
+
+    /** Reset derivatives indicator.
+     * <p>This value should be used as the return value of the {@code
+     * eventOccurred} method when the integration should
+     * go on after the event ending the current step, with a new derivatives
+     * vector.</p>
+     */
+    RESET_DERIVATIVES,
+
+    /** Continue indicator.
+     * <p>This value should be used as the return value of the {@code
+     * eventOccurred} method when the integration should go
+     * on after the event ending the current step.</p>
+     */
+    CONTINUE;
+
+}