Package liquibase.sqlgenerator.core

Class DropForeignKeyConstraintGenerator

java.lang.Object

liquibase.sqlgenerator.core.AbstractSqlGenerator<DropForeignKeyConstraintStatement>

liquibase.sqlgenerator.core.DropForeignKeyConstraintGenerator

All Implemented Interfaces:

PrioritizedService, SqlGenerator<DropForeignKeyConstraintStatement>

public class DropForeignKeyConstraintGenerator
extends AbstractSqlGenerator<DropForeignKeyConstraintStatement>

Field Summary

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR

Fields inherited from interface liquibase.sqlgenerator.SqlGenerator

EMPTY_SQL, PRIORITY_DATABASE, PRIORITY_DEFAULT

Constructor Summary

Constructors

Constructor	Description
DropForeignKeyConstraintGenerator()

Method Summary

Modifier and Type	Method	Description
Sql[]	generateSql(DropForeignKeyConstraintStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain)	Generate the actual Sql for the given statement and database.
protected ForeignKey	getAffectedForeignKey(DropForeignKeyConstraintStatement statement)
boolean	supports(DropForeignKeyConstraintStatement statement, Database database)	Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.
ValidationErrors	validate(DropForeignKeyConstraintStatement dropForeignKeyConstraintStatement, Database database, SqlGeneratorChain sqlGeneratorChain)	Validate the data contained in the SqlStatement.

Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator

generateRollbackStatementsIsVolatile, generateStatementsIsVolatile, getPriority, looksLikeFunctionCall, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

DropForeignKeyConstraintGenerator

public DropForeignKeyConstraintGenerator()

Method Detail

supports

public boolean supports(DropForeignKeyConstraintStatement statement,
                        Database database)

Description copied from interface: SqlGenerator

Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.

Specified by:

supports in interface SqlGenerator<DropForeignKeyConstraintStatement>

Overrides:

supports in class AbstractSqlGenerator<DropForeignKeyConstraintStatement>

validate

public ValidationErrors validate(DropForeignKeyConstraintStatement dropForeignKeyConstraintStatement,
                                 Database database,
                                 SqlGeneratorChain sqlGeneratorChain)

Description copied from interface: SqlGenerator

Validate the data contained in the SqlStatement. If there are no errors, return an empty ValidationErrors object, not a null value. Liquibase will inspect the ValidationErrors result before attempting to call generateSql.

generateSql

public Sql[] generateSql(DropForeignKeyConstraintStatement statement,
                         Database database,
                         SqlGeneratorChain sqlGeneratorChain)

Description copied from interface: SqlGenerator

Generate the actual Sql for the given statement and database.

getAffectedForeignKey

protected ForeignKey getAffectedForeignKey(DropForeignKeyConstraintStatement statement)