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Oracle Application Server TopLink API Reference 10g Release 2 (10.1.2) B15903-01 |
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java.lang.Object
oracle.toplink.queryframework.DatabaseQuery
oracle.toplink.queryframework.ReadQuery
oracle.toplink.queryframework.DataReadQuery
oracle.toplink.queryframework.DirectReadQuery
Purpose: Concrete class to perform a direct read.
Responsibilities: Used in conjunction with DirectCollectionMapping. This can be used to read a single column of data (i.e. one field). A container (implementing Collection) of the data values is returned.
Field Summary |
Fields inherited from class oracle.toplink.queryframework.DatabaseQuery |
CascadeAggregateDelete, CascadeAllParts, CascadeDependentParts, CascadePrivateParts, NoCascading, QUERY_PREPARE |
Constructor Summary | |
DirectReadQuery() PUBLIC: Initialize the state of the query. |
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DirectReadQuery(Call call) PUBLIC: Initialize the query to use the specified call. |
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DirectReadQuery(java.lang.String sqlString) PUBLIC: Initialize the query to use the specified SQL string. |
Methods inherited from class oracle.toplink.queryframework.DataReadQuery |
getContainerPolicy, isDataReadQuery, setContainerPolicy, useCollectionClass, useCursoredStream, useCursoredStream, useCursoredStream, useScrollableCursor, useScrollableCursor, useScrollableCursor |
Methods inherited from class oracle.toplink.queryframework.ReadQuery |
cacheQueryResults, clearQueryResults, doNotCacheQueryResults, getMaxRows, isReadQuery, setMaxRows, setShouldCacheQueryResults, shouldCacheQueryResults |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public DirectReadQuery()
public DirectReadQuery(java.lang.String sqlString)
public DirectReadQuery(Call call)
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