com.neeve.rog.log

Class RogLogCompactor.Params

java.lang.Object

com.neeve.rog.log.RogLogCompactor.Params

Enclosing class:

RogLogCompactor

public static final class RogLogCompactor.Params
extends Object

Contains parameters for compaction.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PROP_COMPACT_ON_START Property used to indicate that log compaction should automatically triggered on start
static boolean	PROP_COMPACT_ON_START_DEFAULT
static String	PROP_COMPACTION_THRESHOLD Property used to indicate the log compaction threshold The log compaction threshold is the size (in megabytes) that triggers a log compaction.
static String	PROP_COMPACTION_THRESHOLD_DEFAULT

Method Summary

Modifier and Type	Method and Description
static RogLogCompactor.Params	create(Properties props) Loads cdc parameters from the give set of log descriptor properties.

Methods inherited from class java.lang.Object

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

Field Detail

PROP_COMPACTION_THRESHOLD

public static final String PROP_COMPACTION_THRESHOLD

Property used to indicate the log compaction threshold

The log compaction threshold is the size (in megabytes) that triggers a log compaction. The act of compacting a log will compact as many complete checkpoints in the log and switch the live log over to the compacted log. A threshold value of <= 0 disables live log compaction.

See Also:

Constant Field Values

PROP_COMPACTION_THRESHOLD_DEFAULT

public static final String PROP_COMPACTION_THRESHOLD_DEFAULT

See Also:

Constant Field Values

PROP_COMPACT_ON_START

public static final String PROP_COMPACT_ON_START

Property used to indicate that log compaction should automatically triggered on start

See Also:

Constant Field Values

PROP_COMPACT_ON_START_DEFAULT

public static final boolean PROP_COMPACT_ON_START_DEFAULT

See Also:

Constant Field Values

Method Detail

create

public static RogLogCompactor.Params create(Properties props)

Loads cdc parameters from the give set of log descriptor properties.

This method looks for properties identifed with with the "compaction." prefix.

Parameters:

props - The properties to load from

Returns:

The parsed properties.