RuntimeBindableDefinitionSetAdapter.java

/*
 * Copyright 2016 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.backend.definition.adapter.binding;

import java.lang.annotation.Annotation;
import java.util.Map;
import java.util.Set;

import org.kie.workbench.common.stunner.core.backend.definition.adapter.AbstractRuntimeDefinitionSetAdapter;
import org.kie.workbench.common.stunner.core.definition.adapter.binding.BindableDefinitionSetAdapter;
import org.kie.workbench.common.stunner.core.factory.graph.ElementFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

class RuntimeBindableDefinitionSetAdapter<T> extends AbstractRuntimeDefinitionSetAdapter<T>
        implements BindableDefinitionSetAdapter<T> {

    private static final Logger LOG = LoggerFactory.getLogger(RuntimeBindableDefinitionSetAdapter.class);

    private Map<Class, String> propertyDescriptionFieldNames;
    private Map<Class, Class> graphFactoryTypes;
    private Set<String> definitionIds;
    private Map<Class, Annotation> qualifiers;

    @Override
    public void setBindings(final Map<Class, String> propertyDescriptionFieldNames,
                            final Map<Class, Class> graphFactoryTypes,
                            final Map<Class, Annotation> qualifiers,
                            final Set<String> definitionIds) {
        this.propertyDescriptionFieldNames = propertyDescriptionFieldNames;
        this.graphFactoryTypes = graphFactoryTypes;
        this.definitionIds = definitionIds;
        this.qualifiers = qualifiers;
    }

    @Override
    public String getDescription(final T definitionSet) {
        Class<?> type = definitionSet.getClass();
        try {
            return getFieldValue(definitionSet,
                                 propertyDescriptionFieldNames.get(type));
        } catch (IllegalAccessException e) {
            LOG.error("Error obtaining description for Definition Set with id " + getId(definitionSet));
        }
        return null;
    }

    @Override
    public Set<String> getDefinitions(final T definitionSet) {
        return getAnnotatedDefinitions(definitionSet);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Class<? extends ElementFactory> getGraphFactoryType(final T definitionSet) {
        final Class<?> type = definitionSet.getClass();
        return graphFactoryTypes.get(type);
    }

    @Override
    public Annotation getQualifier(final T definitionSet) {
        final Class<?> type = definitionSet.getClass();
        return qualifiers.get(type);
    }

    @Override
    public boolean accepts(final Class<?> type) {
        return null != graphFactoryTypes && graphFactoryTypes.containsKey(type);
    }
}