com.datastax.dse.driver.internal.core.type.codec.geometry.PolygonCodec Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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.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();
}
}