/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* 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.kie.workbench.common.stunner.core.rule.context;
import java.util.Optional;
import java.util.Set;
import org.kie.workbench.common.stunner.core.rule.RuleEvaluationContext;
import org.kie.workbench.common.stunner.core.rule.handler.impl.ConnectionEvaluationHandler;
import org.kie.workbench.common.stunner.core.rule.impl.CanConnect;
/**
* This rule evaluation context provides the runtime information
* that allows the evaluation for connection related operations.
* @See {@link CanConnect}
* @See {@link ConnectionEvaluationHandler}
*/
public interface ConnectionContext extends RuleEvaluationContext {
/**
* The role that the rules apply for.
*/
String getConnectorRole();
/**
* The set of roles that the source node can satisfy
* in order to allow the connection.
*/
Optional<Set<String>> getSourceRoles();
/**
* The set of roles that the target node can satisfy
* in order to allow the connection.
*/
Optional<Set<String>> getTargetRoles();
}