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package org.locationtech.jts.geom; |
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/** |
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* A factory to create concrete instances of {@link CoordinateSequence}s. |
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* Used to configure {@link GeometryFactory}s |
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* to provide specific kinds of CoordinateSequences. |
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* |
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* @version 1.7 |
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*/ |
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public interface CoordinateSequenceFactory |
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{ |
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|
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/** |
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* Returns a {@link CoordinateSequence} based on the given array. |
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* Whether the array is copied or simply referenced |
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* is implementation-dependent. |
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* This method must handle null arguments by creating an empty sequence. |
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* |
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* @param coordinates the coordinates |
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*/ |
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CoordinateSequence create(Coordinate[] coordinates); |
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/** |
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* Creates a {@link CoordinateSequence} which is a copy |
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* of the given {@link CoordinateSequence}. |
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* This method must handle null arguments by creating an empty sequence. |
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* |
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* @param coordSeq the coordinate sequence to copy |
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*/ |
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CoordinateSequence create(CoordinateSequence coordSeq); |
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/** |
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* Creates a {@link CoordinateSequence} of the specified size and dimension. |
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* For this to be useful, the {@link CoordinateSequence} implementation must |
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* be mutable. |
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* <p> |
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* If the requested dimension is larger than the CoordinateSequence implementation |
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* can provide, then a sequence of maximum possible dimension should be created. |
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* An error should not be thrown. |
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* |
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* @param size the number of coordinates in the sequence |
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* @param dimension the dimension of the coordinates in the sequence (if user-specifiable, |
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* otherwise ignored) |
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*/ |
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CoordinateSequence create(int size, int dimension); |
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/** |
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* Creates a {@link CoordinateSequence} of the specified size and dimension with measure support. |
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* For this to be useful, the {@link CoordinateSequence} implementation must |
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* be mutable. |
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* <p> |
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* If the requested dimension or measures are larger than the CoordinateSequence implementation |
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* can provide, then a sequence of maximum possible dimension should be created. |
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* An error should not be thrown. |
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* |
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* @param size the number of coordinates in the sequence |
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* @param dimension the dimension of the coordinates in the sequence (if user-specifiable, |
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* otherwise ignored) |
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* @param measures the number of measures of the coordinates in the sequence (if user-specifiable, |
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* otherwise ignored) |
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*/ |
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default CoordinateSequence create(int size, int dimension, int measures) { |
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return create(size, dimension); |
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} |
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} |
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