java.lang.Object

org.elasticsearch.persistent.decider.EnableAssignmentDecider

public class EnableAssignmentDecider
extends java.lang.Object

EnableAssignmentDecider is used to allow/disallow the persistent tasks to be assigned to cluster nodes.

Allocation settings can have the following values (non-casesensitive):

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`EnableAssignmentDecider.Allocation`	Allocation values or rather their string representation to be used used with `CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING` via cluster settings.

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`ALLOCATION_NONE_EXPLANATION`
`static Setting<EnableAssignmentDecider.Allocation>`	`CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING`

Modifier and Type	Method	Description
`AssignmentDecision`	`canAssign()`	Returns a `AssignmentDecision` whether the given persistent task can be assigned to a node of the cluster.
`void`	`setEnableAssignment(EnableAssignmentDecider.Allocation enableAssignment)`

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

Field Details
- CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING
  
  public static final Setting<EnableAssignmentDecider.Allocation> CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING
- ALLOCATION_NONE_EXPLANATION
  
  public static final java.lang.String ALLOCATION_NONE_EXPLANATION
  
  See Also:
  
  Constant Field Values
Constructor Details
- EnableAssignmentDecider
  
  public EnableAssignmentDecider(Settings settings, ClusterSettings clusterSettings)
Method Details
- setEnableAssignment
  
  public void setEnableAssignment(EnableAssignmentDecider.Allocation enableAssignment)
- canAssign
  
  public AssignmentDecision canAssign()
  
  Returns a AssignmentDecision whether the given persistent task can be assigned to a node of the cluster. The decision depends on the current value of the setting CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING.
  
  Returns:
  
  the AssignmentDecision