condor.classad
Class ListExpr

java.lang.Object
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  +--condor.classad.Expr
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        +--condor.classad.ListExpr

public class ListExpr

extends Expr

A list of expressions. An internal (non-leaf) node of an expression tree representing the list-construction operator { expr, expr, ... }.

Version:

1.2

Author:

Marvin Solomon

See Also:

Expr

Fields inherited from class condor.classad.Expr

ABSOLUTE_TIME, AND, ATTRIBUTE, BIT_COMPLEMENT, BITAND, BITOR, BITXOR, BOOLEAN, BRIEF, CALL, COMPACT, COND, dblevel, DIFFERENT, DIV, EQUAL, ERROR, formatFlags, formatIndent, GREATER, GREATER_EQ, INTEGER, LEFT_SHIFT, LESS, LESS_EQ, LIST, MAXPREC, MINIMAL_PARENTHESES, MINUS, MOD, MULTI_LINE_ADS, MULTI_LINE_LISTS, NO_ESCAPE_STRINGS, NOT, NOT_EQUAL, OP, opName, OR, PLUS, READABLE, REAL, RECORD, RELATIVE_TIME, RIGHT_SHIFT, SAME, SELECTION, SHOW_ERROR_DETAIL, SHOW_INSTANCES, STRING, SUBSCRIPT, TIMES, type, UMINUS, UNDEFINED, UPLUS, URIGHT_SHIFT

Constructor Summary

ListExpr(Vector v)
Construct a list from a vector of expressions.

Method Summary

protected int	prec() The precedence of the operator in this expression node.
int	size() Get the length of this list.
Expr	sub(int i) Get a member of this list.
String	toString() Convert this Expr to a string.
protected String	typeName() The type of the expression.

Methods inherited from class condor.classad.Expr

db, db, disableFormatFlags, enableFormatFlags, eval, getFormatFlags, isConstant, isNormalForm, mark, mark, mark, reEval, select, setFormatFlags, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ListExpr

public ListExpr(Vector v)

Construct a list from a vector of expressions.

Parameters:

contents - the array of expressions.

Method Detail

size

public int size()

Get the length of this list.

Returns:

the number of elements in this list

sub

public Expr sub(int i)

Get a member of this list.

Parameters:

i - the member to be retrieved.

Returns:

the ith member of this list, or an error Constant if i is out of bounds.

typeName

protected String typeName()

The type of the expression.

Overrides:

typeName in class Expr

Returns:

the string "list".

toString

public String toString()

Convert this Expr to a string. The exact format of the result is controled by the static fields Expr.formatFlags and Expr.formatIndent. The result may be multiple lines long (it may include embedded newlines and tabs), but it never ends with a newline.

Overrides:

toString in class Expr

Returns:

a string representation of the this Context

See Also:

Expr.formatFlags, Expr.formatIndent

prec

protected int prec()

The precedence of the operator in this expression node. Used to print expressions without superfluous parentheses.

Overrides:

prec in class Expr

Returns:

the precendence of this node.

See Also:

Expr.MINIMAL_PARENTHESES