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public interface QueryTreeBuilder
Specifies an interface for a query tree builder.
Method Summary | |
---|---|
boolean |
canHandle(String language)
Returns true if this query tree builder can handle a
statement in language . |
QueryRootNode |
createQueryTree(String statement,
NameResolver resolver,
QueryNodeFactory factory)
Creates a QueryNode tree from a statement using the passed
query node factory. |
String[] |
getSupportedLanguages()
Returns the set of query languages supported by this builder. |
String |
toString(QueryRootNode root,
NameResolver resolver)
Creates a String representation of the query node tree in the syntax this QueryTreeBuilder can handle. |
Method Detail |
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QueryRootNode createQueryTree(String statement, NameResolver resolver, QueryNodeFactory factory) throws InvalidQueryException
QueryNode
tree from a statement using the passed
query node factory.
statement
- the statement.resolver
- the name resolver to use.factory
- the query node factory to use.
QueryNode
tree for the statement.
InvalidQueryException
- if the statement is malformed.boolean canHandle(String language)
true
if this query tree builder can handle a
statement in language
.
language
- the language of a query statement to build a query tree.
true
if this builder can handle language
;
false
otherwise.String[] getSupportedLanguages()
String toString(QueryRootNode root, NameResolver resolver) throws InvalidQueryException
QueryTreeBuilder
can handle.
root
- the root of the query node tree.resolver
- to resolve Names.
InvalidQueryException
- if the query node tree cannot be converted
into a String representation due to
restrictions in this syntax.
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