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Utilities.genID

Generates an ID. T

This method has three variants, one of which is deprecated:

• genID (Variant 1) generates an ID that is safe within a virtual machine, but is not guaranteed cluster safe.

• genID (Variant 2) generates an ID that is cluster safe.

• genID (Deprecated) has been replaced by genID (Variant 2) .

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Utilities.genID

Generates a unique number based on the current time.

Syntax

public static final String 
genID()

Description

The genID method generates a unique number based on the current time.

This method is safe within the virtual machine. The ID is not guaranteed to be unique across several virtual machines.

Returns

Returns the string containing the number, or null on error.

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Utilities.genID

Use this method to generate a unique number based on the current time. This version of genID() is cluster safe.

Syntax

public static final String 
genID(boolean bClusterSafe )

Parameters

bClusterSafe

A value of true generates an ID that is cluster safe.

Returns

Returns the string containing the number, or null on error.

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Utilities.genID

Deprecated. As of version 4.0, use genID (Variant 2) .

Syntax

public static final String 
genID(ICS icsThread)

Parameters

icsThread

Input. Specify an interface object to synchronize this number across virtual machines and/or the cluster.

Description

The genID method generates a unique number based on the current time.

Returns

Returns the string containing the number, or null on error.

 

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