blob: 79cb6793a2d14b24412f724b411ddacea597741a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* 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 org.apache.drill.exec.udfs.gis;
import io.netty.buffer.DrillBuf;
import org.apache.drill.exec.expr.DrillSimpleFunc;
import org.apache.drill.exec.expr.annotations.FunctionTemplate;
import org.apache.drill.exec.expr.annotations.Output;
import org.apache.drill.exec.expr.annotations.Param;
import org.apache.drill.exec.expr.holders.Float8Holder;
import org.apache.drill.exec.expr.holders.VarBinaryHolder;
import javax.inject.Inject;
/**
* Returns X maxima of a bounding box 2d or 3d or a geometry
*/
@FunctionTemplate(name = "st_xmax", scope = FunctionTemplate.FunctionScope.SIMPLE,
nulls = FunctionTemplate.NullHandling.NULL_IF_NULL)
public class STXMax implements DrillSimpleFunc {
@Param
VarBinaryHolder geom1Param;
@Output
Float8Holder out;
@Inject
DrillBuf buffer;
public void setup() {
}
public void eval() {
com.esri.core.geometry.ogc.OGCGeometry geom1;
geom1 = com.esri.core.geometry.ogc.OGCGeometry
.fromBinary(geom1Param.buffer.nioBuffer(geom1Param.start, geom1Param.end - geom1Param.start));
if (geom1.geometryType().equals("Point")) {
out.value = ((com.esri.core.geometry.ogc.OGCPoint) geom1).X();
} else {
com.esri.core.geometry.Envelope envelope = new com.esri.core.geometry.Envelope();
geom1.getEsriGeometry().queryEnvelope(envelope);
out.value = envelope.getXMax();
}
}
}
|
