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public interface IQueryContext
The context for a query. Hides the snapshot implementation, and is not tied to the snapshot API.
| Method Summary | |
|---|---|
boolean |
available(Class<?> type,
Argument.Advice advice)
Is this type of data available from the context? |
boolean |
converts(Class<?> type,
Argument.Advice advice)
Does the context have a converter for data of this type? |
String |
convertToString(Class<?> type,
Argument.Advice advice,
Object value)
Convert the value to a string. |
Object |
convertToValue(Class<?> type,
Argument.Advice advice,
String value)
Convert the String to the value based on the type and advice. |
Object |
get(Class<?> type,
Argument.Advice advice)
Get this type of data from the context. |
ContextDerivedData |
getContextDerivedData()
For example, retained size derived data. |
String |
getPrefix()
The prefix for files generated from snapshot |
File |
getPrimaryFile()
The main file for the snapshot |
String |
mapToExternalIdentifier(int objectId)
Map an id to a readable form. |
int |
mapToObjectId(String externalIdentifier)
Map readable form to internal id. |
Object |
parse(Class<?> type,
Argument.Advice advice,
String[] args,
ParsePosition pos)
Consume the special data. |
boolean |
parses(Class<?> type,
Argument.Advice advice)
Is special parsing required to get an object of the required type? |
| Method Detail |
|---|
File getPrimaryFile()
String getPrefix()
boolean available(Class<?> type,
Argument.Advice advice)
type - the type the data should be converted toadvice - advice such as from the query as to how the value should be converted.
Object get(Class<?> type,
Argument.Advice advice)
type - the type the data should be converted toadvice - advice such as from the query as to how the value should be converted.
String mapToExternalIdentifier(int objectId)
throws SnapshotException
mapToObjectId(java.lang.String)
objectId -
SnapshotExceptionmapToObjectId(java.lang.String)
int mapToObjectId(String externalIdentifier)
throws SnapshotException
mapToExternalIdentifier(int)
externalIdentifier -
SnapshotException
boolean converts(Class<?> type,
Argument.Advice advice)
type - advice -
String convertToString(Class<?> type,
Argument.Advice advice,
Object value)
throws SnapshotException
type - advice - value -
SnapshotException
Object convertToValue(Class<?> type,
Argument.Advice advice,
String value)
throws SnapshotException
type - advice - value -
SnapshotException
boolean parses(Class<?> type,
Argument.Advice advice)
type - advice -
Object parse(Class<?> type,
Argument.Advice advice,
String[] args,
ParsePosition pos)
throws SnapshotException
type - advice - args - pos -
SnapshotExceptionContextDerivedData getContextDerivedData()
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