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Package com.gpudb.protocol

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Class AdminRemoveHostRequest

java.lang.Object
com.gpudb.protocol.AdminRemoveHostRequest
All Implemented Interfaces:
org.apache.avro.generic.GenericContainer, org.apache.avro.generic.IndexedRecord
public class AdminRemoveHostRequest extends Object implements org.apache.avro.generic.IndexedRecord
A set of parameters for GPUdb.adminRemoveHost.

Removes a host from an existing cluster. If the host to be removed has any ranks running on it, the ranks must be removed using GPUdb.adminRemoveRanks or manually switched over to a new host using GPUdb.adminSwitchover prior to host removal. If the host to be removed has the graph server or SQL planner running on it, these must be manually switched over to a new host using GPUdb.adminSwitchover.

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    Constructor Details

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      AdminRemoveHostRequest

      public AdminRemoveHostRequest()
      Constructs an AdminRemoveHostRequest object with default parameters.

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      AdminRemoveHostRequest

      public AdminRemoveHostRequest(String host, Map<String,String> options)
      Constructs an AdminRemoveHostRequest object with the specified parameters.
      Parameters:
      host - Identifies the host this applies to. Can be the host address, or formatted as ‘hostN’ where N is the host number as specified in gpudb.conf.
      options - Optional parameters.
      • DRY_RUN: If set to TRUE, only validation checks will be performed. No host is removed. Supported values:The default value is FALSE.
      The default value is an empty Map.

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    Method Details

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      getClassSchema

      public static org.apache.avro.Schema getClassSchema()
      This method supports the Avro framework and is not intended to be called directly by the user.
      Returns:
      The schema for the class.

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      getHost

      public String getHost()
      Identifies the host this applies to. Can be the host address, or formatted as ‘hostN’ where N is the host number as specified in gpudb.conf.
      Returns:
      The current value of host.

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      setHost

      public AdminRemoveHostRequest setHost(String host)
      Identifies the host this applies to. Can be the host address, or formatted as ‘hostN’ where N is the host number as specified in gpudb.conf.
      Parameters:
      host - The new value for host.
      Returns:
      this to mimic the builder pattern.

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      getOptions

      public Map<String,String> getOptions()
      Optional parameters.
      • DRY_RUN: If set to TRUE, only validation checks will be performed. No host is removed. Supported values:The default value is FALSE.
      The default value is an empty Map.
      Returns:
      The current value of options.

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      setOptions

      public AdminRemoveHostRequest setOptions(Map<String,String> options)
      Optional parameters.
      • DRY_RUN: If set to TRUE, only validation checks will be performed. No host is removed. Supported values:The default value is FALSE.
      The default value is an empty Map.
      Parameters:
      options - The new value for options.
      Returns:
      this to mimic the builder pattern.

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      getSchema

      public org.apache.avro.Schema getSchema()
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      getSchema in interface org.apache.avro.generic.GenericContainer
      Returns:
      The schema object describing this class.

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      get

      public Object get(int index)
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      get in interface org.apache.avro.generic.IndexedRecord
      Parameters:
      index - the position of the field to get
      Returns:
      value of the field with the given index.
      Throws:
      IndexOutOfBoundsException

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      put

      public void put(int index, Object value)
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      put in interface org.apache.avro.generic.IndexedRecord
      Parameters:
      index - the position of the field to set
      value - the value to set
      Throws:
      IndexOutOfBoundsException

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      equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

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      toString

      public String toString()
      Overrides:
      toString in class Object

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      hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object