org.yamcs.yarch.rocksdb

Class RdbConfig

java.lang.Object

org.yamcs.yarch.rocksdb.RdbConfig

public class RdbConfig
extends Object

reads the rdbConfig from the yamcs.yaml and provides RocksDB Options when creating and opening databases singleton

Author:

nm

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RdbConfig.TableConfig

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEY_cfOptions
static String	KEY_rdbConfig
static String	KEY_tableConfig
static String	KEY_tableNamePattern
static String	KEY_tfConfig

Method Summary

Modifier and Type	Method and Description
org.rocksdb.ColumnFamilyOptions	getDefaultColumnFamilyOptions() default column family options if no table specific config has been configured.
org.rocksdb.DBOptions	getDefaultDBOptions() default db options if no table specific config has been configured.
org.rocksdb.Options	getDefaultOptions() default options if no table specific config has been configured.
static RdbConfig	getInstance()
RdbConfig.TableConfig	getTableConfig(String tableName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

KEY_rdbConfig

public static final String KEY_rdbConfig

See Also:

Constant Field Values

KEY_tableConfig

public static final String KEY_tableConfig

See Also:

Constant Field Values

KEY_cfOptions

public static final String KEY_cfOptions

See Also:

Constant Field Values

KEY_tableNamePattern

public static final String KEY_tableNamePattern

See Also:

Constant Field Values

KEY_tfConfig

public static final String KEY_tfConfig

See Also:

Constant Field Values

Method Detail

getInstance

public static RdbConfig getInstance()

Returns:

the singleton instance

getDefaultColumnFamilyOptions

public org.rocksdb.ColumnFamilyOptions getDefaultColumnFamilyOptions()

default column family options if no table specific config has been configured.

Returns:

default column family options

getDefaultOptions

public org.rocksdb.Options getDefaultOptions()

default options if no table specific config has been configured. at least the environment and the create if not open are set.

Returns:

default options

getDefaultDBOptions

public org.rocksdb.DBOptions getDefaultDBOptions()

default db options if no table specific config has been configured. no specific option set

Returns:

default options

getTableConfig

public RdbConfig.TableConfig getTableConfig(String tableName)

Parameters:

tableName -

Returns:

the first table config that matches the table name or null if no config matches