org.apache.ignite.cluster

Interface BaselineNode

All Known Subinterfaces:

ClusterNode

All Known Implementing Classes:

IsolatedNode

public interface BaselineNode

Interface representing a single node from baseline topology.

Method Summary

Modifier and Type	Method and Description
<T> T	attribute(String name) Gets a node attribute.
Map<String,Object>	attributes() Gets all node attributes.
Object	consistentId() Gets consistent globally unique node ID.

Method Detail

consistentId

Object consistentId()

Gets consistent globally unique node ID. This method returns consistent node ID which survives node restarts.

Returns:

Consistent globally unique node ID.

attribute

<T> T attribute(String name)

Gets a node attribute. Attributes are assigned to nodes at startup via IgniteConfiguration.getUserAttributes() method.

The system adds the following attributes automatically:

• {@link System#getProperties()} - All system properties.
• {@link System#getenv(String)} - All environment properties.
• All attributes defined in IgniteNodeAttributes

Note that attributes cannot be changed at runtime.

Type Parameters:

T - Attribute Type.

Parameters:

name - Attribute name. Note that attribute names starting with org.apache.ignite are reserved for internal use.

Returns:

Attribute value or null if such an attribute does not exist.

attributes

Map<String,Object> attributes()

Gets all node attributes. Attributes are assigned to nodes at startup via IgniteConfiguration.getUserAttributes() method.

The system adds the following attributes automatically:

• {@link System#getProperties()} - All system properties.
• {@link System#getenv(String)} - All environment properties.
• All attributes defined in IgniteNodeAttributes

Note that attributes cannot be changed at runtime.

Returns:

All node attributes.