Remove m2 model from drools-apps

With the advent of the new Actor model, then m2 model is no longer needed
in drools-apps.

Issue-ID: POLICY-2725
Change-Id: I3aa43619391552c00bd4e138aee96ca5d5bd55a8
Signed-off-by: Jim Hahn <jrh3@att.com>

1 files changed, 0 insertions, 134 deletions

diff --git a/controlloop/m2/util/src/main/java/org/onap/policy/util/DroolsSessionCommonSerializable.java b/controlloop/m2/util/src/main/java/org/onap/policy/util/DroolsSessionCommonSerializable.java
deleted file mode 100644
index 0d60b2598..000000000
--- a/controlloop/m2/util/src/main/java/org/onap/policy/util/DroolsSessionCommonSerializable.java
+++ /dev/null
@@ -1,134 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * util
- * ================================================================================
- * 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.util;
-
-import java.io.ObjectStreamException;
-import java.io.Serializable;
-import java.util.HashMap;
-import org.onap.policy.drools.core.PolicySession;
-
-/**
- * This class provides a way to serialize/deserialize objects by locating
- * an already existing object on the remote end, and using that instead. It
- * is useful for objects that may be shared by multiple transactions.
- */
-public class DroolsSessionCommonSerializable implements Serializable {
-    private static final long serialVersionUID = 1L;
-
-    // identifies an object within a Drools session
-    private String name;
-
-    // the object is serialized, but is only used if the corresponding object
-    // on the remote end can't be located for some reason
-    private Object object;
-
-    /**
-     * Constructor - initialize instance, and also store a reference to
-     * the object in a 'PolicySession' adjunct.
-     *
-     * @param name identifies the object within the Drools session
-     * @param object the shared object
-     */
-    public DroolsSessionCommonSerializable(String name, Object object) {
-        this.name = name;
-        this.object = object;
-
-        // store a reference to the object within the adjunct
-        // (only works if we can locate the Drools session)
-        Adjunct adjunct = getAdjunct();
-        if (adjunct != null) {
-            adjunct.put(name, object);
-        }
-    }
-
-    /**
-     * Return this object as a String.
-     *
-     * {@inheritDoc}
-     */
-    @Override
-    public String toString() {
-        return "DroolsSessionCommonSerializable[" + name + "]";
-    }
-
-    /**
-     * This method runs as part of deserialization. If we are able to locate
-     * the 'PolicySession' and adjunct, and fetch the replacement object from
-     * the adjunct, that is used. Otherwise, the deserialized object is used
-     * (which is likely a duplicate).
-     *
-     * @return the local named object (if available), or the deserialized
-     *     object
-     */
-    protected Object readResolve() throws ObjectStreamException {
-        Adjunct adjunct = getAdjunct();
-        Object replacementObject;
-
-        if (adjunct != null && (replacementObject = adjunct.get(name)) != null) {
-            // we found the adjunct, as well as the replacement object -- use
-            // the replacement object
-            return replacementObject;
-        }
-
-        // either we couldn't find the adjunct, or couldn't locate the object
-        // within the adjunct
-        return object;
-    }
-
-    /**
-     * This method will:
-     * 1) Locate the 'PolicySession' (only works from within the Drools thread),
-     * 2) Find or create the adjunct.
-     *
-     * @return the adjunct, or 'null' if we aren't running within a
-     *     Drools session
-     */
-    private Adjunct getAdjunct() {
-        // PolicySession - this only works from within the Drools thread
-        PolicySession session = PolicySession.getCurrentSession();
-        Adjunct adjunct = null;
-        if (session != null) {
-            // we found the 'PolicySession' -- now, look for the adjunct
-            Object adj = session.getAdjunct(Adjunct.class);
-            if (!(adj instanceof Adjunct)) {
-                // adjunct does not exist, or has the wrong type -- create it
-                adjunct = new Adjunct();
-                session.setAdjunct(Adjunct.class, adjunct);
-            } else {
-                // found the adjunct -- return it
-                adjunct = (Adjunct) adj;
-            }
-        }
-        return adjunct;
-    }
-
-    /* ============================================================ */
-
-    /**
-     * While 'HashMap<String, Object>' could be used directly instead of defining
-     * a subclass, you can't do run-time type checking of a parameterized type.
-     * As a result, the 'getAdjunct' method (above) would get compile-time
-     * warnings.
-     */
-    private static class Adjunct extends HashMap<String, Object> {
-        private static final long serialVersionUID = 1L;
-    }
-}