Package com.github.ddth.dao

Class BaseDataJsonFieldBo

java.lang.Object

com.github.ddth.dao.BaseBo

com.github.ddth.dao.BaseDataJsonFieldBo

All Implemented Interfaces:

com.github.ddth.commons.serialization.ISerializationSupport, java.lang.Cloneable

public class BaseDataJsonFieldBo
extends BaseBo

Similar to BaseBo, but there is one special "data" field which is JSON-encoded.

"data" must be either null or a list or map.

Since:

0.8.0

Author:

Thanh Ba Nguyen

Field Summary

Fields

Modifier and Type	Field	Description
protected static java.lang.String	ATTR_DATA
protected com.fasterxml.jackson.databind.JsonNode	dataJson

Fields inherited from class com.github.ddth.dao.BaseBo

SER_FIELD_ATTRS, SER_FIELD_DIRTY

Constructor Summary

Constructors

Constructor	Description
BaseDataJsonFieldBo()

Method Summary

Modifier and Type	Method	Description
protected long	checksum()	Sub-class may override this method to implement its own business logic.
java.lang.String	getData()	Get raw value of "data" field.
com.fasterxml.jackson.databind.JsonNode	getDataAttr(java.lang.String dPath)	Get a "data"'s sub-attribute using d-path.
<T> T	getDataAttr(java.lang.String dPath, java.lang.Class<T> clazz)	Get a "data"'s sub-attribute using d-path.
java.util.Date	getDataAttrAsDate(java.lang.String dPath, java.lang.String dateTimeFormat)	Get a "data"'s sub-attribute as date.
<T> java.util.Optional<T>	getDataAttrOptional(java.lang.String dPath, java.lang.Class<T> clazz)	Get a "data"'s sub-attribute using d-path.
com.fasterxml.jackson.databind.JsonNode	getDataAttrs()	Get the "data" field as a JsonNode.
protected void	parseData()
BaseDataJsonFieldBo	removeDataAttr(java.lang.String dPath)	Remove a "data"'s sub-attribute using d-path.
BaseDataJsonFieldBo	setData(com.fasterxml.jackson.databind.JsonNode data)	Set the whole "data" field.
BaseDataJsonFieldBo	setData(java.lang.Object data)	Set the whole "data" field.
BaseDataJsonFieldBo	setData(java.lang.String data)	Set the whole "data" field.
BaseDataJsonFieldBo	setDataAttr(java.lang.String dPath, java.lang.Object value)	Set a "data"'s sub-attribute using d-path.
protected void	triggerChange(java.lang.String attrName)	Called when one of BO's attributes is changed (added, updated or removed).
protected void	triggerPopulate()	Called when the BO's entire attribute set are (re)populated.

Methods inherited from class com.github.ddth.dao.BaseBo

attributeExists, attributeMap, calcChecksum, clone, cloneData, equals, fromByteArray, fromBytes, fromJson, fromMap, getAttribute, getAttribute, getAttributeAsDate, getAttributeOptional, getAttributes, getAttributesAsJson, getAttributesAsJsonString, hashCode, initAttributes, isDirty, lockForRead, lockForWrite, markClean, markDirty, readLock, removeAttribute, removeAttribute, setAttribute, setAttribute, setAttributes, setAttributes, setAttributes, toByteArray, toBytes, toJson, toMap, toString, tryLockForRead, tryLockForRead, tryLockForWrite, tryLockForWrite, unlockForRead, unlockForWrite, writeLock

Methods inherited from class java.lang.Object

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

Field Detail

ATTR_DATA

protected static final java.lang.String ATTR_DATA

See Also:

Constant Field Values

dataJson

protected com.fasterxml.jackson.databind.JsonNode dataJson

Constructor Detail

BaseDataJsonFieldBo

public BaseDataJsonFieldBo()

Method Detail

getData

public java.lang.String getData()

Get raw value of "data" field.

Returns:

setData

public BaseDataJsonFieldBo setData(java.lang.String data)

Set the whole "data" field.

Parameters:

data - must be a valid JSON string

Returns:

setData

public BaseDataJsonFieldBo setData(com.fasterxml.jackson.databind.JsonNode data)

Set the whole "data" field.

Parameters:

data -

Returns:

Since:

0.10.0

setData

public BaseDataJsonFieldBo setData(java.lang.Object data)

Set the whole "data" field.

Parameters:

data -

Returns:

Since:

0.10.0

triggerChange

protected void triggerChange(java.lang.String attrName)

Called when one of BO's attributes is changed (added, updated or removed).

Overrides:

triggerChange in class BaseBo

triggerPopulate

protected void triggerPopulate()

Called when the BO's entire attribute set are (re)populated.

Overrides:

triggerPopulate in class BaseBo

getDataAttrs

public com.fasterxml.jackson.databind.JsonNode getDataAttrs()

Get the "data" field as a JsonNode.

Returns:

Since:

0.10.0

getDataAttr

public com.fasterxml.jackson.databind.JsonNode getDataAttr(java.lang.String dPath)

Get a "data"'s sub-attribute using d-path.

Parameters:

dPath -

Returns:

See Also:

DPathUtils

getDataAttr

public <T> T getDataAttr(java.lang.String dPath,
                         java.lang.Class<T> clazz)

Get a "data"'s sub-attribute using d-path.

Parameters:

dPath -

clazz -

Returns:

See Also:

DPathUtils

getDataAttrOptional

public <T> java.util.Optional<T> getDataAttrOptional(java.lang.String dPath,
                                                     java.lang.Class<T> clazz)

Get a "data"'s sub-attribute using d-path.

Parameters:

dPath -

clazz -

Returns:

getDataAttrAsDate

public java.util.Date getDataAttrAsDate(java.lang.String dPath,
                                        java.lang.String dateTimeFormat)

Get a "data"'s sub-attribute as date. If the attribute value is a string, parse it as a Date using the specified date-time format.

Parameters:

dPath -

dateTimeFormat -

Returns:

setDataAttr

public BaseDataJsonFieldBo setDataAttr(java.lang.String dPath,
                                       java.lang.Object value)

Set a "data"'s sub-attribute using d-path.

Parameters:

dPath -

value -

Returns:

See Also:

DPathUtils

removeDataAttr

public BaseDataJsonFieldBo removeDataAttr(java.lang.String dPath)

Remove a "data"'s sub-attribute using d-path.

Parameters:

dPath -

Returns:

Since:

0.10.0

parseData

protected void parseData()

checksum

protected long checksum()

Sub-class may override this method to implement its own business logic.

This method is called by BaseBo.calcChecksum(), no need to implement lock/synchronization

Overrides:

checksum in class BaseBo

Returns:

Since:

0.10.0