Package org.apache.lens.api.metastore

Interface Summary

Interface	Description
SchemaTraverser.SchemaEntityProcessor

Class Summary

Class	Description
ObjectFactory	This object contains factory methods for each Java content interface and Java element interface generated in the org.apache.lens.api.metastore package.
SchemaTraverser
XBaseCube	For XBaseCube, user would give the full specification of the measures and dimensions, expressions and join-chains.
XChainColumn	Java class for x_chain_column complex type.
XColumn	Column in table.
XColumns	Java class for x_columns complex type.
XCube	XCube can either be a Base cube for which the user would give the full specification of the measures and dimensions or can be a Derived cube, for which the user would specify only the measure names, dimension names and parent.
XDerivedCube	For XDerivedCube, user would specify only the measure names, dimension names and its parent.
XDimAttribute	A dim attribute.
XDimAttributes	Set of dim attributes.
XDimAttrNames	Set of dim attribute names.
XDimension	XDimension consists of set of attributes, expressions, join-chains
XDimensionTable	DimensionTable which belongs to a Dimension.
XExprColumn	An expression column
XExpressions	Set of expressions.
XExprSpec	Specification of single expression.
XFact	XFact can either be a Cube Fact for which the user would give the full specification of the columns and storages or can be a Virtual fact, for which the user would specify only the Source fact and filters if any.
XFactTable	Java class for x_fact_table complex type.
XField	some documentation
XFields	Set of fields.
XFlattenedColumn	Java class for x_flattened_column complex type.
XFlattenedColumns	LENS will use this type to return all flattened columns reachable from a cube or dimension.
XJoinChain	Join chain represents the paths to reach a dimension.
XJoinChains	Set of join chains.
XJoinEdge	Represents an edge associated with join path.
XJoinEdges	Sequence of join edges.
XJoinPath	Represents a path associated with chain.
XJoinPaths	Set of join paths.
XMeasure	A cube measure.
XMeasureNames	Set of measure names.
XMeasures	Set of measures.
XNativeTable	Native tables in metastore.
XPartition	Partition details
XPartitionList	Compact data structure for storing List of partitions.
XPartSpec	Java class for x_part_spec complex type.
XPartSpecElement	Partition column name and its value.
XProperties	A list of property elements.
XProperty	A key-value pair for storing property's name and its value.
XSegment	Segment belong to the segmentation
XSegmentation	Segmentation is associated to a base cube and consists of two or more segments.
XSegments	Segments in segmentation.
XSkewColList	Skew column list.
XSkewedInfo	Table skew info.
XSkewedValueLocation	Map of the list of values to location.
XStorage	The storage specified by name, which would represent the underlying storage of data.
XStorageTableDesc	The storage table description specifies the underlying format wrt how to read/write data.
XStorageTableElement	Storage and storage table description and update periods.
XStorageTables	Storage table elements describing the storage name, its update periods and table description.
XTableReference	Java class for x_table_reference complex type.
XTimePartSpec	Java class for x_time_part_spec complex type.
XTimePartSpecElement	Time partition column name and its value as date-time.
XUpdatePeriods	A list of update_period which contains either update period table descriptor or list of update_peroid enum.
XUpdatePeriodTableDescriptor	An update period descriptor keeps an enum of update period and a storage table descriptor.
XVirtualFactTable	Java class for x_virtual_fact_table complex type.

Enum Summary

Enum	Description
XMeasureType	Java class for x_measure_type.
XUpdatePeriod	Java class for x_update_period.