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GeometryItem.java
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GeometryItem.java
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package com.treasure.hunt.strategy.geom;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NonNull;
import java.util.ArrayList;
import java.util.List;
/**
* Classifies a jts geometry item with parameters to distinguish between items for visualization/algorithm usages.
*
* @author jotoh, dorianreineccius
* @see GeometryType for further information about how to classifiy a geometry item.
*/
@Getter
@EqualsAndHashCode(of = {"object", "geometryType"})
public class GeometryItem<T> {
@NonNull
@Getter
private T object;
@NonNull
private GeometryType geometryType;
@Getter
private List<GeometryStyle> geometryStyles = new ArrayList<>();
private int preferredStyle = 0;
/**
* The constructor.
*
* @param object the {@link org.locationtech.jts.geom.Geometry} or {@link com.treasure.hunt.jts.geom.Shapeable}.
* @param geometryType the {@link GeometryType}, defining its role.
* @param geometryStyle the {@link GeometryStyle}, defining its looking.
*/
public GeometryItem(T object, GeometryType geometryType, GeometryStyle geometryStyle) {
assert (object != null);
this.object = object;
this.geometryType = geometryType;
this.geometryStyles.add(geometryStyle);
}
/**
* The constructor, using default {@link GeometryStyle}.
*
* @param object the {@link org.locationtech.jts.geom.Geometry} or {@link com.treasure.hunt.jts.geom.Shapeable}.
* @param geometryType the {@link GeometryType}, defining its role.
*/
public GeometryItem(T object, GeometryType geometryType) {
this(object, geometryType, GeometryStyle.getDefaults(geometryType));
}
public GeometryStyle getGeometryStyle() {
return geometryStyles.get(preferredStyle);
}
public void setPreferredStyle(int preferredStyle) {
this.preferredStyle = Math.max(0, Math.min(geometryStyles.size() - 1, preferredStyle));
}
public void addGeometryStyle(GeometryStyle style) {
geometryStyles.add(style);
}
}