Interface IteratorFactory
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public interface IteratorFactory
Factory pattern for construction of rowIterators of the FrameBlock.
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Method Summary
Static Methods Modifier and Type Method Description static RowIterator<Object>
getObjectRowIterator(FrameBlock fb)
Get a row iterator over the frame where all fields are encoded as boxed objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, int colID)
Get a row iterator over the frame where all selected fields are encoded as objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, int rl, int ru)
Get a row iterator over the frame where all fields are encoded as boxed objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, int rl, int ru, int colID)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, int rl, int ru, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.static RowIterator<Object>
getObjectRowIterator(FrameBlock fb, Types.ValueType[] schema)
Get a row iterator over the frame where all fields are encoded as boxed objects according to the value types of the provided target schema.static RowIterator<String>
getStringRowIterator(FrameBlock fb)
Get a row iterator over the frame where all fields are encoded as strings independent of their value types.static RowIterator<String>
getStringRowIterator(FrameBlock fb, int colID)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.static RowIterator<String>
getStringRowIterator(FrameBlock fb, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.static RowIterator<String>
getStringRowIterator(FrameBlock fb, int rl, int ru)
Get a row iterator over the frame where all fields are encoded as strings independent of their value types.static RowIterator<String>
getStringRowIterator(FrameBlock fb, int rl, int ru, int colID)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.static RowIterator<String>
getStringRowIterator(FrameBlock fb, int rl, int ru, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.
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Method Detail
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb)
Get a row iterator over the frame where all fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate through- Returns:
- string array iterator
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate throughcols
- column selection, 1-based- Returns:
- string array iterator
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb, int colID)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate throughcolID
- column selection, 1-based- Returns:
- string array iterator
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb, int rl, int ru)
Get a row iterator over the frame where all fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row index- Returns:
- string array iterator
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb, int rl, int ru, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row indexcols
- column selection, 1-based- Returns:
- string array iterator
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getStringRowIterator
static RowIterator<String> getStringRowIterator(FrameBlock fb, int rl, int ru, int colID)
Get a row iterator over the frame where all selected fields are encoded as strings independent of their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row indexcolID
- columnID, 1-based- Returns:
- string array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb)
Get a row iterator over the frame where all fields are encoded as boxed objects according to their value types.- Parameters:
fb
- The frame to iterate through- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, Types.ValueType[] schema)
Get a row iterator over the frame where all fields are encoded as boxed objects according to the value types of the provided target schema.- Parameters:
fb
- The frame to iterate throughschema
- target schema of objects- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.- Parameters:
fb
- The frame to iterate throughcols
- column selection, 1-based- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, int colID)
Get a row iterator over the frame where all selected fields are encoded as objects according to their value types.- Parameters:
fb
- The frame to iterate throughcolID
- column selection, 1-based- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, int rl, int ru)
Get a row iterator over the frame where all fields are encoded as boxed objects according to their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row index- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, int rl, int ru, int[] cols)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row indexcols
- column selection, 1-based- Returns:
- object array iterator
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getObjectRowIterator
static RowIterator<Object> getObjectRowIterator(FrameBlock fb, int rl, int ru, int colID)
Get a row iterator over the frame where all selected fields are encoded as boxed objects according to their value types.- Parameters:
fb
- The frame to iterate throughrl
- lower row indexru
- upper row indexcolID
- column selection, 1-based- Returns:
- object array iterator
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