Package com.atlassian.confluence.core
Interface ListBuilder<T>
- All Known Implementing Classes:
DefaultListBuilder
A lazy builder that allows clients to retrieve individual pages of potentially long (and performance-degrading)
lists of entities. If a method returns a list builder and you automatically get every possible member of the list,
YOU ARE DOING IT WRONG.
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Method Summary
Modifier and TypeMethodDescriptionint
Gets the total number of elements available to return if the whole list were requestedgetPage
(int offset, int maxResults) Gets a page of results by providing the offset of the first element in the page, and the page size.getRange
(int startIndex, int endIndex) Gets a range of results by providing the indexes of the first and last elements you wish to return.Methods inherited from interface java.lang.Iterable
forEach, iterator, spliterator
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Method Details
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getRange
Gets a range of results by providing the indexes of the first and last elements you wish to return. This is an inclusive range. Requesting a range that falls outside the list of available elements will result in a short, or empty list.- Parameters:
startIndex
- the zero-based index of the first result you wish returnedendIndex
- the zero-based index of the last result you wish returned- Returns:
- the list of available results in that range, or an empty list if no results are within the range
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getPage
Gets a page of results by providing the offset of the first element in the page, and the page size. Requesting a page that falls outside the list of available elements will result in a short, or empty list.- Parameters:
offset
- the zero-based index of the first result you wish returnedmaxResults
- the size of the page requested- Returns:
- the list of available results in that range, or an empty list if no results are within the range
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getAvailableSize
int getAvailableSize()Gets the total number of elements available to return if the whole list were requested- Returns:
- the total number of list elements available
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