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Time Series Analysis in Java
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/*
 * Copyright (c) 2016 Jacob Rachiele
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to
 * do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Contributors:
 *
 * Jacob Rachiele
 */

package data;

import java.util.ArrayList;
import java.util.List;

final class Schema {

    private final List schema;

    Schema(final List schema) {
        this.schema = schema;
    }

    Schema(final int numColumns) {
        this.schema = new ArrayList<>(numColumns);
    }

    Schema() {
        this.schema = new ArrayList<>();
    }

    void add(DataType type) {
        this.schema.add(type);
    }

    DataType remove(final int i) {
        return this.schema.remove(i);
    }

    boolean remove(final DataType type) {
        return this.schema.remove(type);
    }

    DataType get(final int i) {
        return this.schema.get(i);
    }

    int size() {
        return this.schema.size();
    }


    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Schema schema1 = (Schema) o;

        return schema.equals(schema1.schema);
    }

    @Override
    public int hashCode() {
        return schema.hashCode();
    }

    @Override
    public String toString() {
        return schema.toString();
    }
}