CreateTriggerStatement (apache-cassandra API)
Date: 2018-02-12

org.apache.cassandra.cql3.statements

## Class CreateTriggerStatement

- java.lang.Object
- - org.apache.cassandra.cql3.statements.ParsedStatement
  - - org.apache.cassandra.cql3.statements.CFStatement
    - - org.apache.cassandra.cql3.statements.SchemaAlteringStatement
      - - org.apache.cassandra.cql3.statements.CreateTriggerStatement

- All Implemented Interfaces:
    CQLStatement

      public class CreateTriggerStatement
      extends SchemaAlteringStatement

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

      `ParsedStatement.Prepared`

  - ### Field Summary

    - ### Fields inherited from class org.apache.cassandra.cql3.statements.CFStatement

      `cfName`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `CreateTriggerStatement(CFName name, java.lang.String triggerName, java.lang.String clazz, boolean ifNotExists)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `announceMigration(boolean isLocalOnly)` Announces the migration to other nodes in the cluster.
    `Event.SchemaChange` | `changeEvent()`
    `void` | `checkAccess(ClientState state)` Perform any access verification necessary for the statement.
    `void` | `validate(ClientState state)` Perform additional validation required by the statment.

    - ### Methods inherited from class org.apache.cassandra.cql3.statements.SchemaAlteringStatement

      `execute, executeInternal, getBoundTerms, grantPermissionsToCreator, prepare, prepareKeyspace`

    - ### Methods inherited from class org.apache.cassandra.cql3.statements.CFStatement

      `columnFamily, keyspace, prepareKeyspace`

    - ### Methods inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

      `getBoundVariables, getFunctions, setBoundVariables`

    - ### Methods inherited from class java.lang.Object

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

    - ### Methods inherited from interface org.apache.cassandra.cql3.CQLStatement

      `getFunctions`

- - ### Constructor Detail

    - #### CreateTriggerStatement

          public CreateTriggerStatement(CFName name,
                                        java.lang.String triggerName,
                                        java.lang.String clazz,
                                        boolean ifNotExists)

  - ### Method Detail

    - #### checkAccess

          public void checkAccess(ClientState state)
                           throws UnauthorizedException

      Description copied from interface: `CQLStatement`
      Perform any access verification necessary for the statement.
      Parameters:
        `state` - the current client state
      Throws:
        `UnauthorizedException`

    - #### validate

          public void validate(ClientState state)
                        throws RequestValidationException

      Description copied from interface: `CQLStatement`
      Perform additional validation required by the statment. To be overriden by subclasses if needed.
      Parameters:
        `state` - the current client state
      Throws:
        `RequestValidationException`

    - #### announceMigration

          public boolean announceMigration(boolean isLocalOnly)
                                    throws ConfigurationException,
                                           InvalidRequestException

      Description copied from class: `SchemaAlteringStatement`
      Announces the migration to other nodes in the cluster.
      Specified by:
        `announceMigration` in class `SchemaAlteringStatement`
      Returns:
        true if the execution of this statement resulted in a schema change, false otherwise (when IF NOT EXISTS is used, for example)
      Throws:
        `ConfigurationException`
        `InvalidRequestException`

    - #### changeEvent

          public Event.SchemaChange changeEvent()

      Specified by:
        `changeEvent` in class `SchemaAlteringStatement`

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