Interface CSVCopyable

All Superinterfaces:

Iterable<Atom>, MaterializedData, QueryableData, TermCompound, Writable

All Known Implementing Classes:

RDBMSStore

public interface CSVCopyable
extends MaterializedData, Writable

This interface represents storage systems that can directly import CSV files as part of their implementation.

Method Summary

Modifier and Type	Method	Description
boolean	copy(String csvFilePath, char separator, int headerSize, Atom witness)	Copy the content of the given CSV file into the storage system The exact layout of the resulting storage is dependent on the implementation

Methods inherited from interface Iterable

forEach, spliterator

Methods inherited from interface MaterializedData

contains, getAtomsByPredicate, getAtomsByTerm, getAtomSet, getTermsByPredicatePosition, isEmpty, iterator, size, stream

Methods inherited from interface QueryableData

estimateBound, estimateBound, evaluate, evaluate, getAtomicPattern, getPredicates, getSupportedOperations, hasPredicate

Methods inherited from interface TermCompound

getAllNestedTerms, getConstants, getLiterals, getNestedTerms, getTerms, getVariables

Methods inherited from interface Writable

add, add, addAll, addAll, clear, remove, remove, removeAll, removeAll

Method Details

copy

boolean copy(String csvFilePath,
 char separator,
 int headerSize,
 Atom witness)
      throws Exception

Copy the content of the given CSV file into the storage system The exact layout of the resulting storage is dependent on the implementation

Parameters:

csvFilePath - the csv file to copy

separator - separator char of the CSV

headerSize - size of the CSV header

witness - atom used to pre-create the storing schema

Returns:

true iff at least one atom have been added by the copy

Throws:

Exception - if an error occur