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public interface VariableResolverFactory
A VariableResolverFactory is the primary integration point for tying in external variables. The factory is
responsible for returing VariableResolver
's to the MVEL runtime. Factories are
also structured in a chain to maintain locality-of-reference.
Method Summary | |
---|---|
VariableResolver |
createIndexedVariable(int index,
java.lang.String name,
java.lang.Object value)
|
VariableResolver |
createIndexedVariable(int index,
java.lang.String name,
java.lang.Object value,
java.lang.Class<?> typee)
|
VariableResolver |
createVariable(java.lang.String name,
java.lang.Object value)
Creates a new variable. |
VariableResolver |
createVariable(java.lang.String name,
java.lang.Object value,
java.lang.Class<?> type)
Creates a new variable, and assigns a static type. |
VariableResolver |
getIndexedVariableResolver(int index)
|
java.util.Set<java.lang.String> |
getKnownVariables()
Return a list of known variables inside the factory. |
VariableResolverFactory |
getNextFactory()
Returns the next factory in the factory chain. |
VariableResolver |
getVariableResolver(java.lang.String name)
Return a variable resolver for the specified variable name. |
boolean |
isIndexedFactory()
|
boolean |
isResolveable(java.lang.String name)
Determines whether or not the variable is resolver in the chain of factories. |
boolean |
isTarget(java.lang.String name)
Deterimines whether or not the current VariableResolverFactory is the physical target for the actual variable. |
VariableResolver |
setIndexedVariableResolver(int index,
VariableResolver variableResolver)
|
VariableResolverFactory |
setNextFactory(VariableResolverFactory resolverFactory)
Sets the next factory in the chain. |
int |
variableIndexOf(java.lang.String name)
|
Method Detail |
---|
VariableResolver createVariable(java.lang.String name, java.lang.Object value)
name
- - name of the variable being createdvalue
- - value of the variable
VariableResolver createIndexedVariable(int index, java.lang.String name, java.lang.Object value)
VariableResolver createVariable(java.lang.String name, java.lang.Object value, java.lang.Class<?> type)
name
- - name of the variable being createdvalue
- - value of the variabletype
- - the static type
VariableResolver createIndexedVariable(int index, java.lang.String name, java.lang.Object value, java.lang.Class<?> typee)
VariableResolver setIndexedVariableResolver(int index, VariableResolver variableResolver)
VariableResolverFactory getNextFactory()
VariableResolverFactory setNextFactory(VariableResolverFactory resolverFactory)
return this.nextFactory = resolverFactory;
resolverFactory
- - instance of next resolver factory
VariableResolver getVariableResolver(java.lang.String name)
name
- - variable name
VariableResolver getIndexedVariableResolver(int index)
boolean isTarget(java.lang.String name)
name
- - variable name
boolean isResolveable(java.lang.String name)
name
- - variable name
java.util.Set<java.lang.String> getKnownVariables()
int variableIndexOf(java.lang.String name)
boolean isIndexedFactory()
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