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RSL Predicates(3) | globus rsl | RSL Predicates(3) |
NAME¶
RSL Predicates -Functions¶
int globus_rsl_is_relation (globus_rsl_t *ast)
Detailed Description¶
The functions in this group return boolean values indicating whether an RSL syntax tree is of a particular type.Function Documentation¶
int globus_rsl_is_relation (globus_rsl_t *ast)¶
RSL relation test. The globus_rsl_is_relation() function tests whether the the RSL pointed to by the ast parameter is a relation. The RSL syntax supports the following relation operations:- =
- Equal
- !=
- Not Equal
- >
- Greater Than
- >=
- Greater Than or Equal
- <
- Less Than
- <=
- Less Than or Equal
- <=
- Less Than or Equal
'queue' = 'debug' 'queue' != 'slow' 'min_memory' > '1000' 'max_wall_time' >= '60' 'count < '10' 'host_count' <= '5'GRAM only supports equality relations. Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_relation() function
returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is a
relation; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_boolean (globus_rsl_t *ast)¶
RSL boolean test. The globus_rsl_is_boolean() function tests whether the the RSL pointed to by the ast parameter is a boolean composition of other RSL parse trees. The syntactically understood boolean compositions are '&' (conjunction), '|' (disjunction), and '+' (multi-request). Some bexamples of RSL booleans are& ( 'queue' = 'debug') ( 'max_time' = '10000') | ('count' = '1')('count' = '10') + ( &('executable' = '1.exe') ) ( & ('executable' = '2.exe' )Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_boolean() function
returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is a
boolean composition; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_relation_eq (globus_rsl_t *ast)¶
RSL equality operation test. The globus_rsl_is_relation_eq() function tests whether the the RSL pointed to by the ast parameter is an equality relation. An example of an equality relation is'queue' = 'debug'Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_relation_eq()
function returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is
an equality relation; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_relation_lessthan (globus_rsl_t *ast)¶
RSL less than operation test. The globus_rsl_is_relation_lessthan() function tests whether the the RSL pointed to by the ast parameter is a less-than relation. An example of a less-than relation is'count' = '10'Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_relation_lessthan()
function returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is
a less-than relation; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_relation_attribute_equal (globus_rsl_t *ast, char *attribute)¶
RSL attribute name test. The globus_rsl_is_relation_attribute_equal() function tests whether the the RSL pointed to by the ast parameter is a relation with the attribute name which matches the string pointed to by the attribute parameter. This attribute name comparision is case-insensitive. Parameters:ast Pointer to an RSL parse tree
structure.
attribute Name of the attribute to test
Returns:
The
globus_rsl_is_relation_attribute_equal() function returns GLOBUS_TRUE
if the RSL parse tree pointed to by ast is a relation and its attribute
name matches the attribute parameter; otherwise, it returns
GLOBUS_FALSE.
int globus_rsl_is_boolean_and (globus_rsl_t *ast)¶
RSL boolean and test. The globus_rsl_is_boolean_and() function tests whether the the RSL pointed to by the ast parameter is a boolean 'and' composition of RSL trees. An example of a boolean and relation is& ( 'queue' = 'debug' ) ( 'executable' = 'a.out' )Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_boolean_and()
function returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is
a boolean and of RSL parse trees; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_boolean_or (globus_rsl_t *ast)¶
RSL boolean or test. The globus_rsl_is_boolean_or() function tests whether the the RSL pointed to by the ast parameter is a boolean 'or' composition of RSL trees. An example of a boolean or relation is| ( 'count' = '2' ) ( 'count' = '4' )Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_boolean_or() function
returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is a
boolean and of RSL parse trees; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_is_boolean_multi (globus_rsl_t *ast)¶
RSL boolean multi test. The globus_rsl_is_boolean_multi() function tests whether the the RSL pointed to by the ast parameter is a boolean 'multi-request' composition of RSL trees. An example of a boolean multie-request relation is+ ( &( 'executable' = 'exe.1') ( 'count' = '2' ) ) ( &( 'executable' =' exe.2') ( 'count' = '2' ) )Parameters:
ast Pointer to an RSL parse tree
structure.
Returns:
The globus_rsl_is_boolean_multi()
function returns GLOBUS_TRUE if the RSL parse tree pointed to by ast is
a boolean multi-request of RSL parse trees; otherwise, it returns
GLOBUS_FALSE.
int globus_rsl_value_is_literal (globus_rsl_value_t *ast)¶
RSL literal string test. The globus_rsl_value_is_literal() function tests whether the the RSL value pointed to by the ast parameter is a literal string value. An example of a literal string is'count'Parameters:
ast Pointer to an RSL value
structure.
Returns:
The globus_rsl_value_is_literal()
function returns GLOBUS_TRUE if the RSL value pointed to by ast is a
literal string value; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_value_is_sequence (globus_rsl_value_t *ast)¶
RSL value sequence test. The globus_rsl_value_is_sequence() function tests whether the the RSL value pointed to by the ast parameter is a sequence of RSL values. An example of a sequence of values is'1' '2' '3'Parameters:
ast Pointer to an RSL value
structure.
Returns:
The globus_rsl_value_is_sequence()
function returns GLOBUS_TRUE if the RSL value pointed to by ast is a
value sequnce; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_value_is_variable (globus_rsl_value_t *ast)¶
RSL value variable test. The globus_rsl_value_is_variable() function tests whether the the RSL value pointed to by the ast parameter is a variable reference. RSL values. An example of a variable reference is$( 'GLOBUSRUN_GASS_URL' )Parameters:
ast Pointer to an RSL value
structure.
Returns:
The globus_rsl_value_is_sequence()
function returns GLOBUS_TRUE if the RSL value pointed to by ast is a
value sequnce; otherwise, it returns GLOBUS_FALSE.
int globus_rsl_value_is_concatenation (globus_rsl_value_t *ast)¶
RSL value concatenation test. The globus_rsl_value_is_concatenation() function tests whether the the RSL value pointed to by the ast parameter is a concatenation of RSL values. An example of an RSL value concatenation is$( 'GLOBUSRUN_GASS_URL' ) # '/input'Parameters:
ast Pointer to an RSL value
structure.
Returns:
The globus_rsl_value_is_concatenation()
function returns GLOBUS_TRUE if the RSL value pointed to by ast is a
value concatenation; otherwise, it returns GLOBUS_FALSE.
Author¶
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