|
1
|
package eu.dnetlib.index.solr.cql;
|
|
2
|
|
|
3
|
import java.util.Map;
|
|
4
|
import java.util.function.Function;
|
|
5
|
|
|
6
|
import eu.dnetlib.clients.index.model.Any.ValueType;
|
|
7
|
import eu.dnetlib.cql.CqlValueTransformerMap;
|
|
8
|
import org.apache.commons.logging.Log;
|
|
9
|
import org.apache.commons.logging.LogFactory;
|
|
10
|
import org.apache.solr.common.SolrException;
|
|
11
|
|
|
12
|
/**
|
|
13
|
* This class maps the fields in the given index schema with a transformation rule.
|
|
14
|
*
|
|
15
|
* @author marko
|
|
16
|
*/
|
|
17
|
public class SolrTypeBasedCqlValueTransformerMap implements CqlValueTransformerMap {
|
|
18
|
|
|
19
|
/**
|
|
20
|
* logger.
|
|
21
|
*/
|
|
22
|
private static final Log log = LogFactory.getLog(SolrTypeBasedCqlValueTransformerMap.class); // NOPMD by marko on 11/24/08 5:02 PM
|
|
23
|
|
|
24
|
/**
|
|
25
|
* Index schema.
|
|
26
|
*/
|
|
27
|
private final Map<String, ValueType> schema;
|
|
28
|
|
|
29
|
/**
|
|
30
|
* Map of functions.
|
|
31
|
*/
|
|
32
|
private final Map<String, Function<String, String>> transformerMap;
|
|
33
|
|
|
34
|
/**
|
|
35
|
* Create value transformer map bound to a specific schema
|
|
36
|
*
|
|
37
|
* @param schema
|
|
38
|
*/
|
|
39
|
public SolrTypeBasedCqlValueTransformerMap(final Map<String, ValueType> schema, final Map<String, Function<String, String>> transformerMap) {
|
|
40
|
this.schema = schema;
|
|
41
|
this.transformerMap = transformerMap;
|
|
42
|
}
|
|
43
|
|
|
44
|
/**
|
|
45
|
* {@inheritDoc}
|
|
46
|
*/
|
|
47
|
@Override
|
|
48
|
public Function<String, String> transformerFor(final String fieldName) {
|
|
49
|
try {
|
|
50
|
final ValueType field = schema.get(fieldName);
|
|
51
|
|
|
52
|
if (field != null) {
|
|
53
|
Function<String, String> res = transformerMap.get(field.name());
|
|
54
|
if (res != null) {
|
|
55
|
return res;
|
|
56
|
}
|
|
57
|
}
|
|
58
|
} catch (SolrException e) {
|
|
59
|
log.debug("cannot find field", e);
|
|
60
|
}
|
|
61
|
return it -> it;
|
|
62
|
}
|
|
63
|
|
|
64
|
}
|