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/**
 * Copyright 2010 JBoss Inc
 *
 * 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 org.drools.runtime.rule;

import org.drools.definition.rule.Rule;

public interface PropagationContext {
    public static final int ASSERTION     = 0;
    public static final int RETRACTION    = 1;
    public static final int MODIFICATION  = 2;
    public static final int RULE_ADDITION = 3;
    public static final int RULE_REMOVAL  = 4;
    public static final int EXPIRATION    = 5;
    
    public static final String[] typeDescr = new String[] {
                                                           "ASSERTION",
                                                           "RETRACTION",
                                                           "MODIFICATION",
                                                           "RULE_ADDITION",
                                                           "RULE_REMOVAL",
                                                           "EXPIRATION"
    };

    public long getPropagationNumber();

    public Rule getRule();

    public FactHandle getFactHandle();

    public int getType();
}