/*
* 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.handler.impl;
import javax.enterprise.context.ApplicationScoped;
import org.kie.workbench.common.stunner.core.rule.RuleEvaluationHandler;
import org.kie.workbench.common.stunner.core.rule.RuleViolations;
import org.kie.workbench.common.stunner.core.rule.context.DockingContext;
import org.kie.workbench.common.stunner.core.rule.impl.CanDock;
import org.kie.workbench.common.stunner.core.rule.violations.DefaultRuleViolations;
import org.kie.workbench.common.stunner.core.rule.violations.DockingRuleViolation;
@ApplicationScoped
public class DockingEvaluationHandler implements RuleEvaluationHandler<CanDock, DockingContext> {
@Override
public Class<CanDock> getRuleType() {
return CanDock.class;
}
@Override
public Class<DockingContext> getContextType() {
return DockingContext.class;
}
@Override
public boolean accepts(final CanDock rule,
final DockingContext context) {
return context.getParentRoles().contains(rule.getRole());
}
@Override
public RuleViolations evaluate(final CanDock rule,
final DockingContext context) {
final DefaultRuleViolations results = new DefaultRuleViolations();
final boolean present = context.getCandidateRoles()
.stream()
.filter(cr -> rule.getAllowedRoles().contains(cr))
.findAny()
.isPresent();
if (!present) {
results.addViolation(new DockingRuleViolation(rule.getRole(),
context.getCandidateRoles().toString()));
}
return results;
}
}