SingleLongBitMask.java example

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/*
 * Copyright 2015 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.
 * 
 *      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.drools.core.util.bitmask;

public abstract class SingleLongBitMask implements BitMask {

    public abstract long asLong();

    public abstract SingleLongBitMask clone();

    @Override
    public final boolean equals(Object o) {
        if (this == o) return true;
        return o instanceof SingleLongBitMask && asLong() == ((SingleLongBitMask) o).asLong();
    }

    @Override
    public final int hashCode() {
        return (int) (asLong() ^ (asLong() >>> 32));
    }

    @Override
    public final String toString() {
        return "" + asLong();
    }
}