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The main module contains the GeoTools public interfaces that are used by other GeoTools modules (and GeoTools applications). Where possible we make use industry standard terms as provided by OGC and ISO standards. The formal GeoTools public api consists of gt-metadata, jts and the gt-main module. The main module contains the default implementations that are available provided to other GeoTools modules using our factory system. Factories are obtained from an appropriate FactoryFinder, giving applications a chance configure the factory used using the Factory Hints facilities. FilterFactory ff = CommonFactoryFinder.getFilterFactory(); Expression expr = ff.add( expression1, expression2 ); If you find yourself using implementation specific classes chances are you doing it wrong: Expression expr = new AddImpl( expression1, expressiom2 );

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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    Created on 31-dic-2004
 */
package org.geotools.geometry.jts.coordinatesequence;

import org.locationtech.jts.geom.CoordinateSequence;

/**
 * A Builder for JTS CoordinateSequences.
 *
 * @author wolf
 */
public interface CSBuilder {
    /**
     * Starts the building of a new coordinate sequence
     *
     * @param size - the number of coordinates in the coordinate sequence
     * @param dimensions - the dimension of the coordinates in the coordinate sequence, may be
     *     ignored if the coordinate sequence does not support variabile dimensions
     */
    public void start(int size, int dimensions);

    /** Stops the coordinate sequence building and returns the result */
    public CoordinateSequence end();

    /** Sets and ordinate in the specified coordinate */
    public void setOrdinate(double value, int ordinateIndex, int coordinateIndex);

    /**
     * Utility method that allows to set an ordinate in an already built coordinate sequence Needed
     * because the CoordinateSequence interface does not expose it
     */
    public void setOrdinate(
            CoordinateSequence sequence, double value, int ordinateIndex, int coordinateIndex);

    /** Gets an ordinate in the specified coordinate */
    public double getOrdinate(int ordinateIndex, int coordinateIndex);

    /** Returns the size of the coordinate sequence we are building, -1 if there is none */
    public int getSize();

    /** Returns the dimension of the coordinate sequence we are building, -1 if there is none */
    public int getDimension();
}