CavalliumDBEngine/src/main/java/it/cavallium/dbengine/database/LLKeyValueDatabase.java

52 lines
1.8 KiB
Java
Raw Normal View History

2020-12-07 22:15:18 +01:00
package it.cavallium.dbengine.database;
import com.google.common.primitives.Ints;
import com.google.common.primitives.Longs;
2021-09-17 16:56:28 +02:00
import io.net5.buffer.api.BufferAllocator;
import it.cavallium.dbengine.database.collections.DatabaseInt;
2021-02-05 20:34:58 +01:00
import it.cavallium.dbengine.database.collections.DatabaseLong;
2020-12-07 22:15:18 +01:00
import java.nio.charset.StandardCharsets;
2021-01-31 15:47:48 +01:00
import reactor.core.publisher.Mono;
2020-12-07 22:15:18 +01:00
2021-01-31 19:52:47 +01:00
public interface LLKeyValueDatabase extends LLSnapshottable, LLKeyValueDatabaseStructure {
2020-12-07 22:15:18 +01:00
2021-01-31 15:47:48 +01:00
Mono<? extends LLSingleton> getSingleton(byte[] singletonListColumnName, byte[] name, byte[] defaultValue);
2020-12-07 22:15:18 +01:00
2021-02-13 01:31:24 +01:00
Mono<? extends LLDictionary> getDictionary(byte[] columnName, UpdateMode updateMode);
2020-12-07 22:15:18 +01:00
2021-01-31 15:47:48 +01:00
@Deprecated
2021-02-13 01:31:24 +01:00
default Mono<? extends LLDictionary> getDeprecatedSet(String name, UpdateMode updateMode) {
2021-06-19 16:26:54 +02:00
return getDictionary(Column.deprecatedSet(name).name().getBytes(StandardCharsets.US_ASCII), updateMode);
2020-12-07 22:15:18 +01:00
}
2021-02-13 01:31:24 +01:00
default Mono<? extends LLDictionary> getDictionary(String name, UpdateMode updateMode) {
2021-06-19 16:26:54 +02:00
return getDictionary(Column.dictionary(name).name().getBytes(StandardCharsets.US_ASCII), updateMode);
2020-12-07 22:15:18 +01:00
}
2021-01-31 15:47:48 +01:00
default Mono<DatabaseInt> getInteger(String singletonListName, String name, int defaultValue) {
return this
2021-06-19 16:26:54 +02:00
.getSingleton(Column.special(singletonListName).name().getBytes(StandardCharsets.US_ASCII),
2021-01-31 15:47:48 +01:00
name.getBytes(StandardCharsets.US_ASCII),
Ints.toByteArray(defaultValue)
)
.map(DatabaseInt::new);
2020-12-07 22:15:18 +01:00
}
2021-02-05 20:34:58 +01:00
default Mono<DatabaseLong> getLong(String singletonListName, String name, long defaultValue) {
2021-01-31 15:47:48 +01:00
return this
2021-06-19 16:26:54 +02:00
.getSingleton(Column.special(singletonListName).name().getBytes(StandardCharsets.US_ASCII),
2021-01-31 15:47:48 +01:00
name.getBytes(StandardCharsets.US_ASCII),
Longs.toByteArray(defaultValue)
)
2021-02-05 20:34:58 +01:00
.map(DatabaseLong::new);
2020-12-07 22:15:18 +01:00
}
2021-01-31 15:47:48 +01:00
Mono<Long> getProperty(String propertyName);
2021-01-31 19:52:47 +01:00
2021-06-27 15:06:48 +02:00
Mono<Void> verifyChecksum();
2021-08-29 23:18:03 +02:00
BufferAllocator getAllocator();
2021-05-03 21:41:51 +02:00
2021-01-31 19:52:47 +01:00
Mono<Void> close();
2020-12-07 22:15:18 +01:00
}