com.datastax.dse.driver.internal.core.type.codec.geometry.PolygonCodec Maven / Gradle / Ivy

/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.dse.driver.internal.core.type.codec.geometry;

import com.datastax.dse.driver.api.core.data.geometry.Polygon;
import com.datastax.dse.driver.api.core.type.DseDataTypes;
import com.datastax.dse.driver.internal.core.data.geometry.DefaultGeometry;
import com.datastax.dse.driver.internal.core.data.geometry.DefaultPolygon;
import com.datastax.oss.driver.api.core.type.DataType;
import com.datastax.oss.driver.api.core.type.reflect.GenericType;
import com.datastax.dse.driver.shaded.esri.core.geometry.ogc.OGCPolygon;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.nio.ByteBuffer;
import net.jcip.annotations.ThreadSafe;

/**
 * A custom type codec to use {@link Polygon} instances in the driver.
 *
 * If you use {@link com.datastax.dse.driver.api.core.DseSessionBuilder} to build your cluster,
 * it will automatically register this codec.
 */
@ThreadSafe
public class PolygonCodec extends GeometryCodec {

  private static final GenericType JAVA_TYPE = GenericType.of(Polygon.class);

  @NonNull
  @Override
  public GenericType getJavaType() {
    return JAVA_TYPE;
  }

  @NonNull
  @Override
  public DataType getCqlType() {
    return DseDataTypes.POLYGON;
  }

  @Override
  public boolean accepts(@NonNull Class javaClass) {
    return javaClass == Polygon.class;
  }

  @Override
  public boolean accepts(@NonNull Object value) {
    return value instanceof Polygon;
  }

  @NonNull
  @Override
  protected Polygon fromWellKnownText(@NonNull String source) {
    return new DefaultPolygon(DefaultGeometry.fromOgcWellKnownText(source, OGCPolygon.class));
  }

  @NonNull
  @Override
  protected Polygon fromWellKnownBinary(@NonNull ByteBuffer bb) {
    return new DefaultPolygon(DefaultGeometry.fromOgcWellKnownBinary(bb, OGCPolygon.class));
  }

  @NonNull
  @Override
  protected String toWellKnownText(@NonNull Polygon geometry) {
    return geometry.asWellKnownText();
  }

  @NonNull
  @Override
  protected ByteBuffer toWellKnownBinary(@NonNull Polygon geometry) {
    return geometry.asWellKnownBinary();
  }
}