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/*
 * Copyright 2015 JAXIO http://www.jaxio.com
 *
 * 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 com.jaxio.celerio.configuration.database;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import lombok.Setter;

/*
 * Description of the given table's indices and statistics
 */
public class Index {
    @Setter
    protected String columnName;
    @Setter
    protected String indexName;
    @Setter
    protected boolean nonUnique;

    /*
     * Column name
     */
    public String getColumnName() {
        return columnName;
    }

    /*
     * Index name
     */
    public String getIndexName() {
        return indexName;
    }

    /*
     * Can index values be non-unique
     */
    public boolean isNonUnique() {
        return nonUnique;
    }

    public static Predicate NON_UNIQUE = new Predicate() {
        @Override
        public boolean apply(Index input) {
            return input.isNonUnique();
        }
    };

    public static Predicate UNIQUE = Predicates.not(NON_UNIQUE);
}