infoservice.dynamic
Class DynamicConfiguration

java.lang.Object
  infoservice.dynamic.DynamicConfiguration

public class DynamicConfiguration
extends java.lang.Object

Field Summary

private IInfoServiceAgreementAdapter	m_agreementAdapter
private int	m_agreementLogLevel
private long	m_agreementPhaseGap
private IDynamicCascadeBuildingStrategy	m_cascadeBuildingStrategy
private long	m_emcConsensusLogTimeout
private long	m_emcGlobalTimeout
private int	m_hourOfAgreement
private static DynamicConfiguration	m_instance
private int	m_maxCascadeLength
private int	m_minCascadeLength
private long	m_passivePhaseLength
private long	m_paxosRoundTimeout

Constructor Summary

private

DynamicConfiguration() Private constructor -> singleton

Method Summary

IInfoServiceAgreementAdapter	getAgreementHandler() Returns the configured IInfoServiceAgreementAdapter
int	getAgreementLogLevel() Returns the log level to be used for the agreement-specific file log
long	getAgreementPhaseGap() Returns the configured phase gap between commitment and reveal phase in the agreement
IDynamicCascadeBuildingStrategy	getCascadeBuildingStrategy() Returns the strategy for building new cascades
long	getEmcConsensusLogTimeout() Returns the configured consensus log timeout for EMC
long	getEmcGlobalTimeout() Returns the configured global timeout for EMC
int	getHourOfAgreement() Returns the hour in which new cascades should be created, e.g.
static DynamicConfiguration	getInstance() Returns the singleton instance of this class
int	getMaxCascadeLength() Returns the configured max cascade length to be used by the dynamic algorithms
int	getMinCascadeLength() Returns the configured min cascade length to be used by the dynamic algorithms
long	getPassivePhaseLength() Returns the length of the passive phase before the actual agreement
long	getPaxosRoundTimeout() Returns the configured round timeout for paxos
private int	parseInt(java.lang.String a_str, int a_default) Parses the given string to an int value.
private int	parseLogLevel(java.lang.String logLevel) Takes a string and returns a LogLevel.
private long	parseLong(java.lang.String a_str, long a_default) Parses the given string to a long value.
void	readConfiguration(java.util.Properties a_properties) Reads the configuration values out of the given Properties.

Methods inherited from class java.lang.Object

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

Field Detail

m_emcGlobalTimeout

private long m_emcGlobalTimeout

m_agreementPhaseGap

private long m_agreementPhaseGap

m_emcConsensusLogTimeout

private long m_emcConsensusLogTimeout

m_paxosRoundTimeout

private long m_paxosRoundTimeout

m_minCascadeLength

private int m_minCascadeLength

m_maxCascadeLength

private int m_maxCascadeLength

m_hourOfAgreement

private int m_hourOfAgreement

m_passivePhaseLength

private long m_passivePhaseLength

m_agreementAdapter

private IInfoServiceAgreementAdapter m_agreementAdapter

m_cascadeBuildingStrategy

private IDynamicCascadeBuildingStrategy m_cascadeBuildingStrategy

m_agreementLogLevel

private int m_agreementLogLevel

m_instance

private static final DynamicConfiguration m_instance

Constructor Detail

DynamicConfiguration

private DynamicConfiguration()

Private constructor -> singleton

Method Detail

getInstance

public static DynamicConfiguration getInstance()

Returns the singleton instance of this class

Returns:

readConfiguration

public void readConfiguration(java.util.Properties a_properties)

Reads the configuration values out of the given Properties. If one or more are not present, default values will be applied

Parameters:

a_properties - The Properties holding the configuration values

parseLogLevel

private int parseLogLevel(java.lang.String logLevel)

Takes a string and returns a LogLevel. The strings may be the typical log levels of log4j

Parameters:

logLevel - The string representing a log4j log level

Returns:

getAgreementHandler

public IInfoServiceAgreementAdapter getAgreementHandler()

Returns the configured IInfoServiceAgreementAdapter

Returns:

he configured IInfoServiceAgreementAdapter

getAgreementPhaseGap

public long getAgreementPhaseGap()

Returns the configured phase gap between commitment and reveal phase in the agreement

Returns:

The configured phase gap between commitment and reveal phase in the agreement

getEmcConsensusLogTimeout

public long getEmcConsensusLogTimeout()

Returns the configured consensus log timeout for EMC

Returns:

The configured consensus log timeout for EMC

getEmcGlobalTimeout

public long getEmcGlobalTimeout()

Returns the configured global timeout for EMC

Returns:

The configured global timeout for EMC

getPaxosRoundTimeout

public long getPaxosRoundTimeout()

Returns the configured round timeout for paxos

Returns:

The configured round timeout for paxos

getMaxCascadeLength

public int getMaxCascadeLength()

Returns the configured max cascade length to be used by the dynamic algorithms

Returns:

he configured max cascade length to be used by the dynamic algorithms

getMinCascadeLength

public int getMinCascadeLength()

Returns the configured min cascade length to be used by the dynamic algorithms

Returns:

he configured min cascade length to be used by the dynamic algorithms

parseLong

private long parseLong(java.lang.String a_str,
                       long a_default)

Parses the given string to a long value. If the string is no long, the given default value will be used

Parameters:

a_str - The string to be parsed

a_default - The default to be applied if the string is no long

Returns:

The parsed long

parseInt

private int parseInt(java.lang.String a_str,
                     int a_default)

Parses the given string to an int value. If the string is no int, the given default value will be used

Parameters:

a_str - The string to be parsed

a_default - The default to be applied if the string is no int

Returns:

The parsed int

getHourOfAgreement

public int getHourOfAgreement()

Returns the hour in which new cascades should be created, e.g. 5 for 5 a.m

Returns:

he hour in which new cascades should be created

getCascadeBuildingStrategy

public IDynamicCascadeBuildingStrategy getCascadeBuildingStrategy()

Returns the strategy for building new cascades

Returns:

The strategy for building new cascades

getPassivePhaseLength

public long getPassivePhaseLength()

Returns the length of the passive phase before the actual agreement

Returns:

The length of the passive phase before the actual agreement

getAgreementLogLevel

public int getAgreementLogLevel()

Returns the log level to be used for the agreement-specific file log

Returns:

The log level to be used for the agreement-specific file log