org.apache.sling.jcr.ocm
Class DefaultMappedObject

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<String,Object>
          org.apache.sling.jcr.ocm.DefaultMappedObject

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>

public class DefaultMappedObject
extends HashMap<String,Object>

The DefaultMappedObject is used by the JCR based resource manager implemented by this bundle as a default to map JCR nodes. This class has the following features:

• This object may be loaded from any existing node.
• If inserting a new instance of this class into the repository a node of type nt:unstructured without any mixin types is created
• All non-protected properties are simply read and may be accessed in the Java standard Map style using the HashMap.get(Object) and put(String, Object) methods.
• Storing the object back to the repository just writes the map contents into the properties. Care must be taken to obey the node type restrictions if setting properties, otherwise storing back may fail.
• Single-value properties are loaded and stored as scalar instances according to the mapping below. Multi-value properties are represented by this object as java.util.List instances.

Reserved Properties

The following is a list of reserved properties and their meanings. These properties should not be modified through the getters and setters.

path

The path of the node underlying this instance.

primaryType

The primary node type of the node underlying this instance. This property is read-only. Any modifications will not be stored in the node (of course). For newly created objects, this property is not used to indicate the desired node type.

mixinTypes

The list of mixin node types of the node underlying this instance. This property is read-only. Any modifications will not be stored in the node. For newly created objects, this property is not used to indicate the desired mixin node types.

properties

The map representing the properties of this content object itself.

Mapping JCR Property types

Property type to Java types
JCR Type	Java Type
STRING	String
DATE	String
BINARY	java.io.InputStream
DOUBLE	java.lang.Double
LONG	java.lang.Long
BOOLEAN	java.lang.Boolean
NAME	String
PATH	String
REFERENCE	String
Java type to Property type
Java Type	JCR Type
String	STRING
java.util.Date	DATE
java.util.Calendar	DATE
java.util.GregorianCalendar	DATE
java.io.InputStream	BINARY
java.lang.Double	DOUBLE
java.lang.Long	LONG
java.lang.Integer	LONG
java.lang.Boolean	BOOLEAN

See Also:

Serialized Form

Constructor Summary

DefaultMappedObject()

Method Summary

boolean	containsKey(String key) Returns true if this map contains the named property.
Object	get(String key) Returns the value of the indexed property.
ArrayList<String>	getMixinTypes() Returns a list of the mixin node typse of the underlying node or null for new objects or if the node has no mixin node types.
String	getPath() Returns the path of this mapped object.
String	getPrimaryType() Returns the primary node type of the underlying node or null for new objects.
org.apache.jackrabbit.ocm.manager.collectionconverter.ManageableMap	getProperties() Returns the properties of this content to be written to the properties of the repository node.
Object	put(String key, Object value) Sets the value of the indexed property.
void	setMixinTypes(ArrayList<String> mixinTypes) Sets the mixin node types of the underlying node.
void	setPath(String path) Sets the path of this mapped object.
void	setPrimaryType(String type) Sets the primary node type of the underlying node.
void	setProperties(org.apache.jackrabbit.ocm.manager.collectionconverter.ManageableMap contents) Sets the properties of this content object as read from the properties of the repository node.

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

DefaultMappedObject

public DefaultMappedObject()

Method Detail

get

public Object get(String key)

Returns the value of the indexed property.

For the special property properties the getProperties() method is called to return a copy of this map instead of looking in the map itself.

Parameters:

key - The index of the property to return.

Returns:

the indicated property or null if the map does not contain it.

put

public Object put(String key,
                  Object value)

Sets the value of the indexed property.

For the special property properties the #setProperties(ManagedHashMap) method is called to insert all elements of the value which must be a Map into this map.

Specified by:

put in interface Map<String,Object>

Overrides:

put in class HashMap<String,Object>

Parameters:

key - The index of the property to set

value - The value of the property to set.

Returns:

The former value of the property or null if the property is new.

Throws:

ClassCastException - If the type of the value is ManagedHashMap for the properties property.

containsKey

public boolean containsKey(String key)

Returns true if this map contains the named property.

setPath

public void setPath(String path)

Sets the path of this mapped object.

getPath

public String getPath()

Returns the path of this mapped object.

setProperties

public void setProperties(org.apache.jackrabbit.ocm.manager.collectionconverter.ManageableMap contents)

Sets the properties of this content object as read from the properties of the repository node.

This method copies the properties of the contents map into this map instance.

getProperties

public org.apache.jackrabbit.ocm.manager.collectionconverter.ManageableMap getProperties()

Returns the properties of this content to be written to the properties of the repository node.

The contents of the returned map replace all non-protected properties of the repository. That is, existing properties not contained in the map will be removed.

This method returns a new instance of a ManagedHashMap containing a copy of the current properties on each call.

setPrimaryType

public void setPrimaryType(String type)

Sets the primary node type of the underlying node.

This method should only be called by the Graffito Mapper to set the type read from the node.

getPrimaryType

public String getPrimaryType()

Returns the primary node type of the underlying node or null for new objects.

setMixinTypes

public void setMixinTypes(ArrayList<String> mixinTypes)

Sets the mixin node types of the underlying node.

This method should only be called by the Graffito Mapper to set the types read from the node.

getMixinTypes

public ArrayList<String> getMixinTypes()

Returns a list of the mixin node typse of the underlying node or null for new objects or if the node has no mixin node types.