modules/schema/src/main/java/org/apache/ignite/internal/schema/NumberNativeType.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.ignite.internal.schema;

import org.apache.ignite.internal.tostring.S;

/**
 * A number native type representing a BigInteger with <code>precision</code> precision.
 */
public class NumberNativeType extends NativeType {
    private final int precision;

    /**
     * Creates a number type of size <code>bytes</code>.
     *
     * @param precision Maximum allowed precision of a BigInteger value.
     */
    protected NumberNativeType(int precision) {
        super(NativeTypeSpec.NUMBER);

        this.precision = precision;
    }

    /**
     * Get maximum allowed precision of a BigInteger value.
     */
    public int precision() {
        return precision;
    }

    /** {@inheritDoc} */
    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }

        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        NumberNativeType that = (NumberNativeType) o;

        return precision == that.precision;
    }

    /** {@inheritDoc} */
    @Override
    public boolean mismatch(NativeType type) {
        return super.mismatch(type)
                || precision < ((NumberNativeType) type).precision;
    }

    /** {@inheritDoc} */
    @Override
    public int hashCode() {
        return precision;
    }

    /** {@inheritDoc} */
    @Override
    public int compareTo(NativeType o) {
        int res = super.compareTo(o);

        if (res == 0) {
            NumberNativeType that = (NumberNativeType) o;

            return Integer.compare(precision, that.precision);
        } else {
            return res;
        }
    }

    /** {@inheritDoc} */
    @Override
    public String toString() {
        return S.toString(NumberNativeType.class.getSimpleName(), "typeSpec", spec(), "precision", precision());
    }
}