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Wayland protocol Java-language Binding Stubs

There is a newer version: 1.4.1

//Copyright 2015 Erik De Rijcke
//
//Licensed under the Apache License,Version2.0(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.freedesktop.wayland;

public interface HasNative {
    T getNative();

    boolean isValid();

    class Precondition {
        public static void checkValid(HasNative hasNative) {
            if (!hasNative.isValid()) {
                throw new IllegalStateException(String.format("%s was destroyed.",
                                                              hasNative));
            }
        }
    }
}