Skip navigation links

com.tangosol.net.partition
Class SimpleAssignmentStrategy.BackupStrength

java.lang.Object
com.tangosol.net.partition.SimpleAssignmentStrategy.BackupStrength

Enclosing class:

SimpleAssignmentStrategy

protected static class SimpleAssignmentStrategy.BackupStrength

extends java.lang.Object

BackupStrength represents a level of "strength" or "resiliency" between the primary and backup owners of a partition. The BackupStrength is used to determine which backup owners could serve as a "strong" backup for a primary owner.

Field Summary

protected int	m_nStrength The strength (one of the *_SAFE constants).
protected static int	MACHINE_SAFE Machine-safety (members are on different machines).
protected static int	NODE_SAFE Node-safety (members are different).
protected static int	RACK_SAFE Rack-safety (members are on different racks).
protected static int	SITE_SAFE Site-safety (members are on different sites).

Constructor Summary

protected

SimpleAssignmentStrategy.BackupStrength(int nStrength) Construct a BackupStrength of the specified strength.

Method Summary

java.lang.String	getDescription() Return a human-readable description string of this backup-strength.
protected boolean	isStrong(Member member1, Member member2) Return true iff the specified members are mutually "strong".
java.lang.String	toString()

Field Detail

NODE_SAFE

protected static final int NODE_SAFE

Node-safety (members are different).

See Also:

Constant Field Values

MACHINE_SAFE

protected static final int MACHINE_SAFE

Machine-safety (members are on different machines).

See Also:

Constant Field Values

RACK_SAFE

protected static final int RACK_SAFE

Rack-safety (members are on different racks).

See Also:

Constant Field Values

SITE_SAFE

protected static final int SITE_SAFE

Site-safety (members are on different sites).

See Also:

Constant Field Values

m_nStrength

protected int m_nStrength

The strength (one of the *_SAFE constants).

Constructor Detail

SimpleAssignmentStrategy.BackupStrength

protected SimpleAssignmentStrategy.BackupStrength(int nStrength)

Construct a BackupStrength of the specified strength.

Parameters:

nStrength - one of the BackupStrength.*_SAFE constants

Method Detail

isStrong

protected boolean isStrong(Member member1,
                           Member member2)

Return true iff the specified members are mutually "strong".

Parameters:

member1 - the first member to compare

member2 - the second member to compare

Returns:

true iff the specified members are mutually "strong"

getDescription

public java.lang.String getDescription()

Return a human-readable description string of this backup-strength.

Returns:

a human-readable description string of this backup-strength

toString

public java.lang.String toString()

Skip navigation links