com.datastax.driver.dse.geometry.codecs.PolygonCodec Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of driver-cql-shaded Show documentation

A Shaded CQL ActivityType driver for http://nosqlbench.io/

There is a newer version: 4.15.102

/*
 * 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.driver.dse.geometry.codecs;

import com.datastax.driver.core.DataType;
import com.datastax.driver.dse.geometry.Polygon;
import java.nio.ByteBuffer;

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

  /** The name of the server-side type handled by this codec. */
  public static final String CLASS_NAME = "org.apache.cassandra.db.marshal.PolygonType";

  /** The datatype handled by this codec. */
  public static final DataType.CustomType DATA_TYPE =
      (DataType.CustomType) DataType.custom(CLASS_NAME);

  /** The unique (stateless and thread-safe) instance of this codec. */
  public static final PolygonCodec INSTANCE = new PolygonCodec();

  private PolygonCodec() {
    super(DATA_TYPE, Polygon.class);
  }

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

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

  @Override
  protected Polygon fromWellKnownText(String source) {
    return Polygon.fromWellKnownText(source);
  }

  @Override
  protected Polygon fromWellKnownBinary(ByteBuffer source) {
    return Polygon.fromWellKnownBinary(source);
  }
}