io.ebeaninternal.dbmigration.ddlgeneration.ColumnDdl Maven / Gradle / Ivy
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DDL and DB Migration generation
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package io.ebeaninternal.dbmigration.ddlgeneration;
import io.ebeaninternal.dbmigration.migration.AddColumn;
import io.ebeaninternal.dbmigration.migration.AlterColumn;
import io.ebeaninternal.dbmigration.migration.DropColumn;
import java.io.IOException;
/**
* Write DDL for AddColumn , DropColumn or AlterColumn.
*/
public interface ColumnDdl {
/**
* Write the add column change.
*/
void generate(DdlWrite writer, AddColumn addColumn) throws IOException;
/**
* Write the drop column change.
*/
void generate(DdlWrite writer, DropColumn dropColumn) throws IOException;
/**
* Write the alter column changes.
*/
void generate(DdlWrite writer, AlterColumn alterColumn) throws IOException;
}