Package org.globus.rsl
Class Bindings
- java.lang.Object
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- org.globus.rsl.NameValue
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- org.globus.rsl.Bindings
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public class Bindings extends NameValue
This class represnts a variable definitions in the RSL string (see rsl_substitution attribute)
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Constructor Summary
Constructors Constructor Description Bindings(java.lang.String attribute)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
add(Binding binding)
Adds a new variable definition to the list.Bindings
evaluate(java.util.Map symbolTable)
Evaluates the variable definitions as variable definitions can reference each other against the symbol table.boolean
removeVariable(java.lang.String varName)
Removes a specific variable definition from the list of bindings.void
toRSL(java.lang.StringBuffer buf, boolean explicitConcat)
Produces a RSL representation of this relation.-
Methods inherited from class org.globus.rsl.NameValue
clear, getAttribute, getFirstValue, getValues, merge, remove, setAttribute, setValues, toRSL, toString
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Method Detail
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add
public void add(Binding binding)
Adds a new variable definition to the list.- Parameters:
binding
- a new variable definition.
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removeVariable
public boolean removeVariable(java.lang.String varName)
Removes a specific variable definition from the list of bindings. The variable name must match exactly to be removed (it is case sensitive).- Parameters:
varName
- variable name to remove the definition of.- Returns:
- true if the variable was successfully removed. False, otherwise.
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evaluate
public Bindings evaluate(java.util.Map symbolTable) throws RslEvaluationException
Evaluates the variable definitions as variable definitions can reference each other against the symbol table. The evaluation process updates the symbol table.- Parameters:
symbolTable
- the symbol table to evalute the variables against.- Returns:
- a new evaluted variable definition.
- Throws:
RslEvaluationException
- If an error occured during rsl evaluation.
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