Package org.nustaq.reallive.records

Class MapRecord

java.lang.Object

org.nustaq.reallive.records.MapRecord

All Implemented Interfaces:

Serializable, Record, EvalContext

public class MapRecord
extends Object
implements Record

Created by ruedi on 04.08.2015. a record stored by reallive.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static Function<MapRecord,MapRecord>	conversion
protected String[]	fields
static Function<Object,Boolean>	JDK_TYPE_CHECK
static Function<Object,Boolean>	JSON_CHECKER
protected String	key
protected long	lastModified
protected Map<String,Object>	map
static Class<? extends MapRecord>	recordClass
protected long	seq

Fields inherited from interface org.nustaq.reallive.api.Record

_NULL_

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MapRecord()

Method Summary

Modifier and Type	Method	Description
boolean	_afterLoad()	called by the persistance layer after a record has been loaded from disk. can be used for type migration of an existing database.
boolean	containsKey(String x)
boolean	equals(Object o)
Object	get(String field)
String[]	getFields()
Set<String>	getFieldSet()
String	getKey()
long	getLastModified()
long	getSequence()
int	hashCode()
void	internal_incSequence()
Record	internal_put(String key, Object value)
void	internal_setLastModified(long tim)
Record	key(String key)	take care, kind of dangerous
static void	main(String[] args)
static MapRecord	New(String key)
static MapRecord	New(String key, Object... values)
MapRecord	put(String key, Object value)	puts a key value pair. type checking is applied to ensure data is json compatible.
MapRecord	shallowCopy()
int	size()
String	toString()
Record	transformCopy(TransformFunction transform)	copies recursively applying given function to each value.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.nustaq.reallive.api.Record

asDouble, asList, asLong, asMap, asSet, asString, deepCopy, deepMerge, defaultEquals, getArr, getAsList, getBool, getDouble, getInt, getKeyVals, getLong, getRec, getRecord, getSafeString, getString, getValue, haveRec, internal_updateLastModified, join, mget, mgetNum, mgetString, omit, putTransforming, reduced, stripOps, toJson, toPrettyString, validateForJsonability

Field Details

JDK_TYPE_CHECK

public static Function<Object,Boolean> JDK_TYPE_CHECK

JSON_CHECKER

public static Function<Object,Boolean> JSON_CHECKER

recordClass

public static Class<? extends MapRecord> recordClass

conversion

public static Function<MapRecord,MapRecord> conversion

map

protected Map<String,Object> map

fields

protected transient String[] fields

key

protected String key

lastModified

protected long lastModified

seq

protected long seq

Constructor Details

MapRecord

protected MapRecord()

Method Details

New

public static MapRecord New(String key)

New

public static MapRecord New(String key,
 Object... values)

size

public int size()

getKey

public String getKey()

Specified by:

getKey in interface Record

getLastModified

public long getLastModified()

Specified by:

getLastModified in interface Record

internal_setLastModified

public void internal_setLastModified(long tim)

Specified by:

internal_setLastModified in interface Record

internal_incSequence

public void internal_incSequence()

Specified by:

internal_incSequence in interface Record

getSequence

public long getSequence()

Specified by:

getSequence in interface Record

internal_put

public Record internal_put(String key,
 Object value)

Specified by:

internal_put in interface Record

key

public Record key(String key)

Description copied from interface: Record

take care, kind of dangerous

Specified by:

key in interface Record

getFields

public String[] getFields()

Specified by:

getFields in interface Record

get

public Object get(String field)

Specified by:

get in interface EvalContext

put

public MapRecord put(String key,
 Object value)

Description copied from interface: Record

puts a key value pair. type checking is applied to ensure data is json compatible. if value is null, the key is removed.

Specified by:

put in interface Record

Returns:

toString

public String toString()

Overrides:

toString in class Object

shallowCopy

public MapRecord shallowCopy()

Specified by:

shallowCopy in interface Record

Returns:

a shallow copy

transformCopy

public Record transformCopy(TransformFunction transform)

Description copied from interface: Record

copies recursively applying given function to each value. if the transform returns v, its an identity copy if the transform returns null, the given key is removed from outer record. (if outer container is array, its removed)

Specified by:

transformCopy in interface Record

Returns:

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getFieldSet

public Set<String> getFieldSet()

Specified by:

getFieldSet in interface Record

main

public static void main(String[] args)

_afterLoad

public boolean _afterLoad()

Description copied from interface: Record

called by the persistance layer after a record has been loaded from disk. can be used for type migration of an existing database. return true if the record should be re-persisted

Specified by:

_afterLoad in interface Record

containsKey

public boolean containsKey(String x)

Specified by:

containsKey in interface Record