edu.ucla.stat.SOCR.JRI
Class REXP

java.lang.Object
  edu.ucla.stat.SOCR.JRI.REXP

public class REXP
extends java.lang.Object

Field Summary

static int	ANYSXP
static int	BCODESXP
static int	BUILTINSXP
static int	CHARSXP
static int	CLOSXP
static int	CPLXSXP
static int	DOTSXP
static int	ENVSXP
static int	EXPRSXP
static int	EXTPTRSXP
static int	FUNSXP
static int	INTSXP
static int	LANGSXP
static int	LGLSXP
static int	LISTSXP
static int	NILSXP
static int	PROMSXP
static int	REALSXP
int	rtype native type of the represented expression (see ...SXP constants in R).
static int	SPECIALSXP
static int	STRSXP
static int	SYMSXP
static int	VECSXP
static int	WEAKREFSXP
long	xp native reference to the SEXP represented in R.
static int	XT_DOUBLEARRAY
static int	XT_INTARRAY
static int	XT_STR
static int	XT_STRARRAY

Constructor Summary

REXP(Rengine re, long exp)
create a REXP directly from a R SEXP reference.

Method Summary

double[]	asDoubleArray()
int[]	asIntArray()
java.lang.String	asString()
java.lang.String[]	asStringArray()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

XT_STR

public static final int XT_STR

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Constant Field Values

XT_STRARRAY

public static final int XT_STRARRAY

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XT_INTARRAY

public static final int XT_INTARRAY

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XT_DOUBLEARRAY

public static final int XT_DOUBLEARRAY

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Constant Field Values

NILSXP

public static final int NILSXP

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Constant Field Values

SYMSXP

public static final int SYMSXP

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Constant Field Values

LISTSXP

public static final int LISTSXP

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Constant Field Values

CLOSXP

public static final int CLOSXP

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Constant Field Values

ENVSXP

public static final int ENVSXP

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Constant Field Values

PROMSXP

public static final int PROMSXP

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Constant Field Values

LANGSXP

public static final int LANGSXP

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Constant Field Values

SPECIALSXP

public static final int SPECIALSXP

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BUILTINSXP

public static final int BUILTINSXP

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CHARSXP

public static final int CHARSXP

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LGLSXP

public static final int LGLSXP

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INTSXP

public static final int INTSXP

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REALSXP

public static final int REALSXP

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CPLXSXP

public static final int CPLXSXP

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STRSXP

public static final int STRSXP

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DOTSXP

public static final int DOTSXP

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ANYSXP

public static final int ANYSXP

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VECSXP

public static final int VECSXP

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EXPRSXP

public static final int EXPRSXP

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Constant Field Values

BCODESXP

public static final int BCODESXP

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EXTPTRSXP

public static final int EXTPTRSXP

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WEAKREFSXP

public static final int WEAKREFSXP

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Constant Field Values

FUNSXP

public static final int FUNSXP

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Constant Field Values

xp

public long xp

native reference to the SEXP represented in R. It's usually a pointer, but can be any handle obtained from the engine. This reference can be used when calling RNI commands directly.

rtype

public int rtype

native type of the represented expression (see ...SXP constants in R). Please note that this type is cached and may have changed in the meantime. If the possibility of changing type exists (mainly list/lang) then use rniExpType to make sure

Constructor Detail

REXP

public REXP(Rengine re,
            long exp)

create a REXP directly from a R SEXP reference. SEXP types STRSXP, INTSXP and REALSXP are automatically converted. All others are represented as SEXP references only.

Method Detail

asString

public java.lang.String asString()

asStringArray

public java.lang.String[] asStringArray()

asDoubleArray

public double[] asDoubleArray()

asIntArray

public int[] asIntArray()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object