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added common methods to create HiveDB table identifiers

This commit is contained in:
Claudio Atzori 2020-05-15 10:20:07 +02:00
parent 50d6a2ad3c
commit b7e198475a
1 changed files with 20 additions and 0 deletions
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20
dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelSupport.java
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@ -1,10 +1,15 @@
package eu.dnetlib.dhp.schema.common; package eu.dnetlib.dhp.schema.common;
import static com.google.common.base.Preconditions.checkArgument;
import java.util.Map; import java.util.Map;
import java.util.Objects;
import java.util.Optional; import java.util.Optional;
import java.util.function.Function; import java.util.function.Function;
import org.apache.commons.lang3.StringUtils;
import com.google.common.collect.Maps; import com.google.common.collect.Maps;
import eu.dnetlib.dhp.schema.oaf.*; import eu.dnetlib.dhp.schema.oaf.*;
@ -379,6 +384,21 @@ public class ModelSupport {
entityMapping.get(EntityType.valueOf(targetType)).name()); entityMapping.get(EntityType.valueOf(targetType)).name());
} }
public static <T extends Oaf> String tableIdentifier(String dbName, String tableName) {
checkArgument(StringUtils.isNotBlank(dbName), "DB name cannot be empty");
checkArgument(StringUtils.isNotBlank(tableName), "table name cannot be empty");
return String.format("%s.%s", dbName, tableName);
}
public static <T extends Oaf> String tableIdentifier(String dbName, Class<T> clazz) {
checkArgument(Objects.nonNull(clazz), "clazz is needed to derive the table name, thus cannot be null");
return tableIdentifier(dbName, clazz.getSimpleName().toLowerCase());
}
public static <T extends Oaf> Function<T, String> idFn() { public static <T extends Oaf> Function<T, String> idFn() {
return x -> { return x -> {
if (isSubClass(x, Relation.class)) { if (isSubClass(x, Relation.class)) {