Package org.apache.cayenne.util
Class ObjectContextQueryAction
java.lang.Object
org.apache.cayenne.util.ObjectContextQueryAction
A helper class that implements
DataChannel.onQuery(ObjectContext, Query) logic on behalf of
an ObjectContext.
Intended for internal use only.
- Since:
- 1.2
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected ObjectContextprotected static final booleanprotected QueryMetadataprotected Queryprotected booleanprotected QueryResponseprotected ObjectContext -
Constructor Summary
ConstructorsConstructorDescriptionObjectContextQueryAction(ObjectContext actingContext, ObjectContext targetContext, Query query) -
Method Summary
Modifier and TypeMethodDescriptionexecute()Worker method that performs internal query.protected QueryCacheEntryFactoryprotected QueryCacheprotected booleanprotected booleanprotected voidTransfers fetched objects into the target context if it is different from "acting" context.protected booleanprotected abstract booleanprotected abstract booleanprotected booleanprotected ObjectpolymorphicObjectFromCache(ObjectId superOid) protected voidrunQuery()Fetches data from the channel.
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Field Details
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DONE
protected static final boolean DONE- See Also:
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targetContext
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actingContext
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query
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metadata
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queryOriginator
protected boolean queryOriginator -
response
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Constructor Details
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ObjectContextQueryAction
public ObjectContextQueryAction(ObjectContext actingContext, ObjectContext targetContext, Query query)
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Method Details
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execute
Worker method that performs internal query. -
interceptObjectConversion
protected void interceptObjectConversion()Transfers fetched objects into the target context if it is different from "acting" context. Note that when this method is invoked, result objects are already registered with acting context by the parent channel. -
interceptInternalQuery
protected boolean interceptInternalQuery() -
interceptOIDQuery
protected boolean interceptOIDQuery() -
polymorphicObjectFromCache
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interceptRelationshipQuery
protected boolean interceptRelationshipQuery() -
interceptPaginatedQuery
protected abstract boolean interceptPaginatedQuery()- Since:
- 3.0
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interceptRefreshQuery
protected abstract boolean interceptRefreshQuery()- Since:
- 3.0
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interceptLocalCache
protected boolean interceptLocalCache()- Since:
- 3.0
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getQueryCache
- Since:
- 3.0
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getCacheObjectFactory
- Since:
- 3.0
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runQuery
protected void runQuery()Fetches data from the channel.
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