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public interface JRQueryExecuterFactory
Factory classes used to create query executers.
For each query language, a query executer factory must be created and registered as a JR property. Query executer factory instances must be thread-safe as they are cached and used as singletons.
JRQueryExecuter| Field Summary | |
|---|---|
static java.lang.String |
QUERY_EXECUTER_FACTORY_PREFIX
Prefix for query executer factory properties. |
| Method Summary | |
|---|---|
JRQueryExecuter |
createQueryExecuter(JRDataset dataset,
java.util.Map parameters)
Creates a query executer. |
java.lang.Object[] |
getBuiltinParameters()
Returns the built-in parameters associated with this query type. |
boolean |
supportsQueryParameterType(java.lang.String className)
Decides whether the query executers created by this factory support a query parameter type. |
| Field Detail |
|---|
static final java.lang.String QUERY_EXECUTER_FACTORY_PREFIX
| Method Detail |
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java.lang.Object[] getBuiltinParameters()
{"Param1", String.class, "Param2", "List.class"}).
JRQueryExecuter createQueryExecuter(JRDataset dataset,
java.util.Map parameters)
throws JRException
dataset - the dataset containing the query, fields, etcparameters - map of value parameters (instances of JRValueParameter)
indexed by name
JRExceptionboolean supportsQueryParameterType(java.lang.String className)
className - the value class name of the parameter
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