diff options
author | 2019-11-11 11:28:47 -0600 | |
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committer | 2019-11-14 03:07:25 -0600 | |
commit | 1320df00310f70b3cf6695466eb2d76a2d3dc49b (patch) | |
tree | c7d4f55b594db9a2bbec98a5ba1ecb207467770f /policy-core/src/main/resources/META-INF/drools | |
parent | 2b0f80062f0609f483eea287bdf503be45f12472 (diff) |
Add 'DroolsRunnable' class
This provides a simple way to run arbitrary Java code within the
Drools thread. This change also includes a general way to specify
Drools rules that are automatically added to every Drools session.
Change-Id: I5ddcca4c807dc552fbcbd4a19dce311a4d358279
Issue-ID: POLICY-1948
Signed-off-by: Straubs, Ralph (rs8887) <rs8887@att.com>
Diffstat (limited to 'policy-core/src/main/resources/META-INF/drools')
-rw-r--r-- | policy-core/src/main/resources/META-INF/drools/drl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/policy-core/src/main/resources/META-INF/drools/drl b/policy-core/src/main/resources/META-INF/drools/drl new file mode 100644 index 00000000..949f235e --- /dev/null +++ b/policy-core/src/main/resources/META-INF/drools/drl @@ -0,0 +1,40 @@ +/* + * ============LICENSE_START======================================================= + * policy-core + * ================================================================================ + * Copyright (C) 2019 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; + +// This rule will match any 'DroolsRunnable' instance placed in Drools +// memory, and run the 'DroolsRunnable.run()' method. It provides a way +// to run arbitrary Java code within a Drools session thread by inserting +// a 'DroolsRunnable' instance into Drools memory. + +rule "run-drools-runnable" + when + $runnable : DroolsRunnable() + then + { + // we retract it first, because the 'run()' method may traverse + // Drools objects + retract($runnable); + + // run the code within the Drools thread + $runnable.run(); + } +end |