Package org.apache.olingo.odata2.api.ep.callback

Interface TombstoneCallback

All Superinterfaces:

ODataCallback

public interface TombstoneCallback
extends ODataCallback

Interface that must be implemented in order to provide tombstone support.

The callback implementing this interface is registered at the EntityProviderWriteProperties using the callback key of this class.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CALLBACK_KEY_TOMBSTONE	The key to be used when registering the callback at the EntityProviderWriteProperties
static final String	NAMESPACE_TOMBSTONE
static final String	PREFIX_TOMBSTONE
static final String	REL_DELTA	Deprecated.

Method Summary

Modifier and Type	Method	Description
TombstoneCallbackResult	getTombstoneCallbackResult()	This method is called after all entries have been serialized.

Field Details

CALLBACK_KEY_TOMBSTONE

static final String CALLBACK_KEY_TOMBSTONE

The key to be used when registering the callback at the EntityProviderWriteProperties

See Also:

• Constant Field Values

PREFIX_TOMBSTONE

static final String PREFIX_TOMBSTONE

See Also:

• Constant Field Values

NAMESPACE_TOMBSTONE

static final String NAMESPACE_TOMBSTONE

See Also:

• Constant Field Values

REL_DELTA

@Deprecated
static final String REL_DELTA

Deprecated.

See Also:

• Constant Field Values

Method Details

getTombstoneCallbackResult

TombstoneCallbackResult getTombstoneCallbackResult()

This method is called after all entries have been serialized.

The returned TombstoneCallbackResult must contain all deleted entries, in the form of List<Map<property name, property value>>, which should be serialized.

A map representing a deleted entry

• MUST contain all properties which are part of the key for this entry.
• MAY contain the property which is mapped on SyndicationUpdated. The provided value here will result in the value of the "when" attribute of the deleted entry.

The provided delta link will be serialized at the end of the feed document.