Package liquibase.changelog

Class ChangeLogIterator

java.lang.Object

liquibase.changelog.ChangeLogIterator

Direct Known Subclasses:

StatusChangeLogIterator

public class ChangeLogIterator
extends Object

The ChangeLogIterator class is responsible for iterating through a list of ChangeSets in a DatabaseChangeLog and executing a visitor for each ChangeSet that passes the specified filters. It provides methods for running the visitor and validating the Executor for each ChangeSet.

Field Summary

Fields

Modifier and Type	Field	Description
protected List<ChangeSetFilter>	changeSetFilters
protected DatabaseChangeLog	databaseChangeLog

Constructor Summary

Constructors

Constructor	Description
ChangeLogIterator(List<RanChangeSet> changeSetList, DatabaseChangeLog changeLog, List<ChangeSetFilter> changeSetFilters)
ChangeLogIterator(List<RanChangeSet> changeSetList, DatabaseChangeLog changeLog, ChangeSetFilter... changeSetFilters)
ChangeLogIterator(DatabaseChangeLog databaseChangeLog, List<ChangeSetFilter> changeSetFilters)
ChangeLogIterator(DatabaseChangeLog databaseChangeLog, ChangeSetFilter... changeSetFilters)

Method Summary

Modifier and Type	Method	Description
protected String	createKey(ChangeSet changeSet)	Creates a unique key to identify this changeset
List<ChangeSetFilter>	getChangeSetFilters()
protected void	markSeen(ChangeSet changeSet)
void	run(ChangeSetVisitor visitor, RuntimeEnvironment env)
protected void	validateChangeSetExecutor(ChangeSet changeSet, RuntimeEnvironment env)	Make sure that any changeset which has a runWith= setting has a valid Executor, and that the changes in the changeset are eligible for execution by this Executor

Methods inherited from class java.lang.Object

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

Field Detail

databaseChangeLog

protected final DatabaseChangeLog databaseChangeLog

changeSetFilters

protected final List<ChangeSetFilter> changeSetFilters

Constructor Detail

ChangeLogIterator

public ChangeLogIterator(DatabaseChangeLog databaseChangeLog,
                         ChangeSetFilter... changeSetFilters)

ChangeLogIterator

public ChangeLogIterator(DatabaseChangeLog databaseChangeLog,
                         List<ChangeSetFilter> changeSetFilters)

ChangeLogIterator

public ChangeLogIterator(List<RanChangeSet> changeSetList,
                         DatabaseChangeLog changeLog,
                         ChangeSetFilter... changeSetFilters)

ChangeLogIterator

public ChangeLogIterator(List<RanChangeSet> changeSetList,
                         DatabaseChangeLog changeLog,
                         List<ChangeSetFilter> changeSetFilters)

Method Detail

run

public void run(ChangeSetVisitor visitor,
                RuntimeEnvironment env)
         throws LiquibaseException

Throws:

LiquibaseException

validateChangeSetExecutor

protected void validateChangeSetExecutor(ChangeSet changeSet,
                                         RuntimeEnvironment env)
                                  throws LiquibaseException

Make sure that any changeset which has a runWith= setting has a valid Executor, and that the changes in the changeset are eligible for execution by this Executor

Parameters:

changeSet - The change set to validate

env - A RuntimeEnvironment instance

Throws:

LiquibaseException

markSeen

protected void markSeen(ChangeSet changeSet)

createKey

protected String createKey(ChangeSet changeSet)

Creates a unique key to identify this changeset

getChangeSetFilters

public List<ChangeSetFilter> getChangeSetFilters()