DataObjectAddNestedClassCommand.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.screens.datamodeller.client.command;

import org.kie.workbench.common.screens.datamodeller.client.DataModelerContext;
import org.kie.workbench.common.screens.datamodeller.events.ChangeType;
import org.kie.workbench.common.screens.datamodeller.events.DataModelerEvent;
import org.kie.workbench.common.screens.datamodeller.events.DataObjectChangeEvent;
import org.kie.workbench.common.services.datamodeller.core.DataObject;
import org.kie.workbench.common.services.datamodeller.core.JavaClass;
import org.uberfire.commons.validation.PortablePreconditions;

public class DataObjectAddNestedClassCommand extends AbstractDataModelCommand {

    private final JavaClass nestedClass;

    public DataObjectAddNestedClassCommand( DataModelerContext context, String source, DataObject dataObject,
                                            DataModelChangeNotifier notifier, JavaClass nestedClass ) {
        super( context, source, dataObject, notifier );
        this.nestedClass = PortablePreconditions.checkNotNull( "nestedClass", nestedClass );
    }

    @Override
    public void execute() {
        dataObject.addNestedClass( nestedClass );

        DataModelerEvent event = new DataObjectChangeEvent()
                .withChangeType( ChangeType.NESTED_CLASS_ADD_CHANGE )
                .withOldValue( null )
                .withNewValue( nestedClass )
                .withContextId( getContext().getContextId() )
                .withSource( getSource() )
                .withCurrentDataObject( getDataObject() );

        notifyChange( event );
    }
}