TEJ-1997: added event negation options

Author: Adam Soos

model/src/main/java/com/basistech/rosette/apimodel/EventsNegationOption.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2021 Basis Technology Corp.
+ *
+ * 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.basistech.rosette.apimodel;
+
+import java.util.EnumSet;
+
+public enum EventsNegationOption {
+    IGNORE("Ignore"),
+    BOTH("Both"),
+    ONLY_POSITIVE("Only positive"),
+    ONLY_NEGATIVE("Only negative");
+
+    private final String label;
+
+    EventsNegationOption(String label) {
+        this.label = label;
+    }
+
+    public static EventsNegationOption forValue(String value) {
+        for (EventsNegationOption negationOption : EnumSet.allOf(EventsNegationOption.class)) {
+            if (negationOption.toString().equalsIgnoreCase(value)) {
+                return negationOption;
+            }
+        }
+        throw new IllegalArgumentException("invalid events negation option: " + value);
+    }
+
+    @Override
+    public String toString() {
+        return label;
+    }
+}

model/src/main/java/com/basistech/rosette/apimodel/EventsOptions.java

@@ -34,12 +34,14 @@ public class EventsOptions extends Options {
     /**
      * Default options
      */
-    public static final EventsOptions DEFAULT = EventsOptions.builder().build();
+    public static final EventsOptions DEFAULT = EventsOptions.builder().negation(EventsNegationOption.IGNORE).build();
 
     /**
      * workspaceId to use.
      */
     String workspaceId;
 
     EnumMap<LanguageCode, List<String>> plan;
+
+    EventsNegationOption negation;
 }