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authorJim Hahn <jrh3@att.com>2020-02-25 17:49:06 -0500
committerJim Hahn <jrh3@att.com>2020-02-25 23:21:53 -0500
commit41d6882b784751e43e3d513353b4bf6926636f5c (patch)
tree5c618c7ce688829811a9321fca5260829234af42 /policy-core/src/main
parent4de095c769c28f3f304d99f132a845993bf58dfa (diff)
Add DroolsExecutor for DroolsRunnable
Added DroolsExecutor, which is an Executor that works by injecting its commands into drools working memory via DroolsRunnable objects. Issue-ID: POLICY-2385 Signed-off-by: Jim Hahn <jrh3@att.com> Change-Id: I59a57bc431249c84cb08f87089f6239993d7d2c4
Diffstat (limited to 'policy-core/src/main')
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/DroolsExecutor.java47
1 files changed, 47 insertions, 0 deletions
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/DroolsExecutor.java b/policy-core/src/main/java/org/onap/policy/drools/core/DroolsExecutor.java
new file mode 100644
index 00000000..538970d6
--- /dev/null
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/DroolsExecutor.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.core;
+
+import java.util.concurrent.Executor;
+import org.drools.core.WorkingMemory;
+
+/**
+ * An executor that executes its tasks by inserting {@link DroolsRunnable} objects into
+ * the working memory of a running session.
+ */
+public class DroolsExecutor implements Executor {
+ private final WorkingMemory workingMemory;
+
+ /**
+ * Constructs the object.
+ *
+ * @param workingMemory where tasks should be injected
+ */
+ public DroolsExecutor(WorkingMemory workingMemory) {
+ this.workingMemory = workingMemory;
+ }
+
+ @Override
+ public void execute(Runnable command) {
+ DroolsRunnable runnable = command::run;
+ workingMemory.insert(runnable);
+ }
+}