Package ac.simons.neo4j.migrations.core

Interface MigrationContext

public interface MigrationContext
Parameter object / context for migrations to be applied.
Since:
0.0.2
Author:
Michael J. Simons

  • Method Summary

    Modifier and Type
    Method
    Description
    MigrationsConfig
    getConfig()
     
    org.neo4j.driver.Driver
    getDriver()
     
    org.neo4j.driver.Session
    getSchemaSession()
     
    default org.neo4j.driver.Session
    getSession()
    Convenience method to return an imperative session against the configured server and database.
    org.neo4j.driver.SessionConfig
    getSessionConfig()
    Use this session config in your Java-based migration to make sure you use the same database as the migration tool itself.
    org.neo4j.driver.SessionConfig
    getSessionConfig(UnaryOperator<org.neo4j.driver.SessionConfig.Builder> configCustomizer)
    This method provides a callback that will be applied to the SessionConfig.Builder just before a SessionConfig is created.

  • Method Details

    • getConfig

      MigrationsConfig getConfig()
      Returns:
      The configuration of this migration instance.

    • getDriver

      org.neo4j.driver.Driver getDriver()
      Returns:
      The driver to be used inside migrations.

    • getSessionConfig

      org.neo4j.driver.SessionConfig getSessionConfig()
      Use this session config in your Java-based migration to make sure you use the same database as the migration tool itself.
      Returns:
      A correctly configured write access session config.

    • getSessionConfig

      org.neo4j.driver.SessionConfig getSessionConfig(UnaryOperator<org.neo4j.driver.SessionConfig.Builder> configCustomizer)
      This method provides a callback that will be applied to the SessionConfig.Builder just before a SessionConfig is created.
      Parameters:
      configCustomizer - Customization callback for the builder.
      Returns:
      The final session config.
      Since:
      1.1.0

    • getSession

      default org.neo4j.driver.Session getSession()
      Convenience method to return an imperative session against the configured server and database.
      Returns:
      A session configured to use the migration context's database name.

    • getSchemaSession

      org.neo4j.driver.Session getSchemaSession()
      Returns:
      A session accessing the configured schema database if any or the default database.