liquibase.nosql.parser.json

Class JsonNoSqlChangeLogParser

java.lang.Object

liquibase.nosql.parser.json.JsonNoSqlChangeLogParser

All Implemented Interfaces:

liquibase.parser.ChangeLogParser, liquibase.parser.LiquibaseParser, liquibase.servicelocator.PrioritizedService

public class JsonNoSqlChangeLogParser
extends Object
implements liquibase.parser.ChangeLogParser

Field Summary

Fields

Modifier and Type	Field and Description
protected liquibase.logging.Logger	log
protected com.fasterxml.jackson.databind.ObjectMapper	objectMapper
static String	RAW_JSON_FIELD

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR, PRIORITY_DATABASE, PRIORITY_DEFAULT

Constructor Summary

Constructors

Constructor and Description
JsonNoSqlChangeLogParser()

Method Summary

Modifier and Type	Method and Description
liquibase.logging.Logger	getLogger()
int	getPriority()
protected String[]	getSupportedFileExtensions()
liquibase.changelog.DatabaseChangeLog	parse(String physicalChangeLogLocation, liquibase.changelog.ChangeLogParameters changeLogParameters, liquibase.resource.ResourceAccessor resourceAccessor) Parses a Liquibase database changelog and returns the parsed form as an object.
protected void	replaceParameters(com.fasterxml.jackson.core.TreeNode obj, liquibase.changelog.ChangeLogParameters changeLogParameters, liquibase.changelog.DatabaseChangeLog changeLog)
boolean	supports(String changeLogFile, liquibase.resource.ResourceAccessor resourceAccessor) Checks if the file format is supported by an implementing ChangeLogParser and returns true if that is the case.

Methods inherited from class java.lang.Object

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

Field Detail

RAW_JSON_FIELD

public static final String RAW_JSON_FIELD

See Also:

Constant Field Values

log

protected liquibase.logging.Logger log

objectMapper

protected com.fasterxml.jackson.databind.ObjectMapper objectMapper

Constructor Detail

JsonNoSqlChangeLogParser

public JsonNoSqlChangeLogParser()

Method Detail

getPriority

public int getPriority()

Specified by:

getPriority in interface liquibase.servicelocator.PrioritizedService

supports

public boolean supports(String changeLogFile,
                        liquibase.resource.ResourceAccessor resourceAccessor)

Checks if the file format is supported by an implementing ChangeLogParser and returns true if that is the case.

Specified by:

supports in interface liquibase.parser.ChangeLogParser

Parameters:

changeLogFile - the location of the changelog file

resourceAccessor - the resource accessor

Returns:

true if the file format is supported, false if it is not.

getSupportedFileExtensions

protected String[] getSupportedFileExtensions()

getLogger

public liquibase.logging.Logger getLogger()

parse

public liquibase.changelog.DatabaseChangeLog parse(String physicalChangeLogLocation,
                                                   liquibase.changelog.ChangeLogParameters changeLogParameters,
                                                   liquibase.resource.ResourceAccessor resourceAccessor)
                                            throws liquibase.exception.ChangeLogParseException

Parses a Liquibase database changelog and returns the parsed form as an object.

Specified by:

parse in interface liquibase.parser.ChangeLogParser

Parameters:

physicalChangeLogLocation - the physical location of the changelog. The exakt file formats and locations where can load changelog files from depend on the implementations and capabilities of the implementing parsers.

changeLogParameters - parameters given by the end user that should be applied while parsing the changelog (i.e. replacement of ${placeholders} inside the changelogs with user-defined content)

resourceAccessor - a Java resource accessor

Returns:

the parsed ChangeLog in object form

Throws:

liquibase.exception.ChangeLogParseException - if an error occurs during parsing of the ChangeLog

replaceParameters

protected void replaceParameters(com.fasterxml.jackson.core.TreeNode obj,
                                 liquibase.changelog.ChangeLogParameters changeLogParameters,
                                 liquibase.changelog.DatabaseChangeLog changeLog)