Package org.apache.cayenne.util
Class GenericQueryResult<T>
- java.lang.Object
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- org.apache.cayenne.util.GenericQueryResult<T>
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- All Implemented Interfaces:
Iterable<QueryResultItem>
,QueryResult<T>
- Direct Known Subclasses:
ProcedureResult
public class GenericQueryResult<T> extends Object implements QueryResult<T>
Generic implementation of QueryResult using List as QueryResultItem storage.- Since:
- 4.0
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Field Summary
Fields Modifier and Type Field Description protected Class<T>
resultClass
protected List<QueryResultItem>
resultItems
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Constructor Summary
Constructors Constructor Description GenericQueryResult(List<QueryResultItem> resultItems)
GenericQueryResult(List<QueryResultItem> resultItems, Class<T> resultClass)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int[]
firstBatchUpdateCount()
A utility method for quickly retrieving the first batch update count array from the response.List<T>
firstList()
A utility method for quickly retrieving the first list in the response.int
firstUpdateCount()
A utility method for quick retrieval of the first update count from the response.boolean
isList()
Returns whether current iteration result is a list or an update count.Iterator<QueryResultItem>
iterator()
int
size()
Returns a number of results in the response.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Field Detail
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resultItems
protected List<QueryResultItem> resultItems
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Constructor Detail
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GenericQueryResult
public GenericQueryResult(List<QueryResultItem> resultItems)
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GenericQueryResult
public GenericQueryResult(List<QueryResultItem> resultItems, Class<T> resultClass)
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Method Detail
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size
public int size()
Description copied from interface:QueryResult
Returns a number of results in the response.- Specified by:
size
in interfaceQueryResult<T>
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isList
public boolean isList()
Description copied from interface:QueryResult
Returns whether current iteration result is a list or an update count.- Specified by:
isList
in interfaceQueryResult<T>
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firstList
public List<T> firstList()
Description copied from interface:QueryResult
A utility method for quickly retrieving the first list in the response. Returns null if the query has no lists.- Specified by:
firstList
in interfaceQueryResult<T>
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firstBatchUpdateCount
public int[] firstBatchUpdateCount()
Description copied from interface:QueryResult
A utility method for quickly retrieving the first batch update count array from the response.- Specified by:
firstBatchUpdateCount
in interfaceQueryResult<T>
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firstUpdateCount
public int firstUpdateCount()
Description copied from interface:QueryResult
A utility method for quick retrieval of the first update count from the response.- Specified by:
firstUpdateCount
in interfaceQueryResult<T>
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iterator
public Iterator<QueryResultItem> iterator()
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