CommandException.java

/*
 * 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.command.exception;

import org.kie.workbench.common.stunner.core.command.Command;

/**
 * Base exception type for runtime command errors.
 */
public class CommandException extends RuntimeException {

    private final Command<?, ?> command;

    public CommandException(final Command<?, ?> command) {
        this.command = command;
    }

    public CommandException(final String message,
                            final Command<?, ?> command) {
        super(message);
        this.command = command;
    }

    @SuppressWarnings("unchecked")
    protected <T> T cast() {
        return (T) command;
    }
}