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/**
 * Copyright 2017 Goldman Sachs.
 * 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.gs.obevo.dbmetadata.api;

import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.list.ImmutableList;

public interface DaIndex extends DaNamedObject {
    Predicate IS_UNIQUE = new Predicate() {
        @Override
        public boolean accept(DaIndex each) {
            return each.isUnique();
        }
    };
    Function TO_INDEX_TYPE = new Function() {
        @Override
        public DaIndexType valueOf(DaIndex object) {
            return object.getIndexType();
        }
    };
    Function TO_COLUMN_STRING = new Function() {
        @Override
        public String valueOf(DaIndex object) {
            return object.getColumns().collect(TO_NAME).toSortedList().makeString(",");
        }
    };
    Function TO_UNIQUE = new Function() {
        @Override
        public Boolean valueOf(DaIndex object) {
            return object.isUnique();
        }
    };
    Function> TO_COLUMNS = new Function>() {
        @Override
        public ImmutableList valueOf(DaIndex object) {
            return object.getColumns();
        }
    };
    Function TO_PK = new Function() {
        @Override
        public Boolean valueOf(DaIndex object) {
            return object instanceof DaPrimaryKey;
        }
    };

    boolean isUnique();

    ImmutableList getColumns();

    DaIndexType getIndexType();

    DaTable getParent();
}