-
Notifications
You must be signed in to change notification settings - Fork 13
/
OnTheFlyCompiledPropertyMapExample.java
84 lines (72 loc) · 3.91 KB
/
OnTheFlyCompiledPropertyMapExample.java
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
/*
* Copyright (C) 2017-2024 HERE Europe B.V.
*
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* License-Filename: LICENSE
*/
package com.here.platform.example.location.java.standalone;
import static java.lang.String.format;
import static java.util.stream.StreamSupport.stream;
import com.here.platform.location.compilation.heremapcontent.javadsl.AttributeAccessor;
import com.here.platform.location.compilation.heremapcontent.javadsl.AttributeAccessors;
import com.here.platform.location.core.geospatial.ElementProjection;
import com.here.platform.location.core.geospatial.GeoCoordinate;
import com.here.platform.location.core.graph.javadsl.RangeBasedProperty;
import com.here.platform.location.core.graph.javadsl.RangeBasedPropertyMap;
import com.here.platform.location.dataloader.core.Catalog;
import com.here.platform.location.dataloader.core.caching.CacheManager;
import com.here.platform.location.dataloader.standalone.StandaloneCatalogFactory;
import com.here.platform.location.inmemory.graph.Vertex;
import com.here.platform.location.integration.heremapcontent.HereMapContent;
import com.here.platform.location.integration.optimizedmap.OptimizedMap;
import com.here.platform.location.integration.optimizedmap.geospatial.javadsl.ProximitySearches;
import com.here.platform.location.integration.optimizedmap.graph.javadsl.PropertyMaps;
import com.here.schema.rib.v2.common_attributes.SpeedLimitAttribute;
import com.here.schema.rib.v2.navigation_attributes_partition.NavigationAttributesPartition;
public final class OnTheFlyCompiledPropertyMapExample {
public static void main(final String[] args) {
final StandaloneCatalogFactory catalogFactory = new StandaloneCatalogFactory();
final CacheManager cacheManager = CacheManager.withLruCache();
try {
final Catalog optimizedMap = catalogFactory.create(OptimizedMap.v2.HRN, 1293L);
final GeoCoordinate brandenburgerTor = new GeoCoordinate(52.516268, 13.377700);
final AttributeAccessor<NavigationAttributesPartition, Integer> speedLimitAccessor =
AttributeAccessors.forHereMapContentSegmentAnchor(
NavigationAttributesPartition::speedLimit, SpeedLimitAttribute::value);
final Iterable<ElementProjection<Vertex>> elementProjections =
ProximitySearches.vertices(optimizedMap, cacheManager).search(brandenburgerTor, 1000.0);
final Catalog hereMapContent = optimizedMap.resolveDependency(HereMapContent.v2.HRN);
final RangeBasedPropertyMap<Vertex, Integer> propertyMap =
PropertyMaps.navigationAttribute(
optimizedMap, "speed-limit", hereMapContent, cacheManager, speedLimitAccessor);
elementProjections.forEach(
ep -> System.out.println(printSpeedLimitForVertex(ep.element(), propertyMap)));
} finally {
catalogFactory.terminate();
}
}
private static String printSpeedLimitForVertex(
final Vertex v, final RangeBasedPropertyMap<Vertex, Integer> speedLimitPropertyMap) {
return format(
"Vertex %7d: [%s]", v.index(), printSpeedLimitRanges(speedLimitPropertyMap.get(v)));
}
private static String printSpeedLimitRanges(
final Iterable<RangeBasedProperty<Integer>> rangeBasedProperties) {
return stream(rangeBasedProperties.spliterator(), false)
.map(r -> format("%3.0f%% -> %3.0f%%:%3d km/h", r.start() * 100, r.end() * 100, r.value()))
.reduce((a, b) -> a + ", " + b)
.orElse("");
}
}