/**
* Checks if the business type defining this type definition exists.
*
* @param _paramCache parameter cache with MX context
* @return <i>true</i> if the business type exists; otherwise <i>false</i>
* @throws MatrixException if the check failed
*/
public boolean existsBusType(final ParameterCache_mxJPO _paramCache) throws MatrixException {
final String tmp =
MqlUtil_mxJPO.execMql(
_paramCache,
new StringBuilder().append("list type '").append(this.busType).append("'"));
return (tmp.length() > 0);
}
/**
* Defines the class for given JPO name.
*
* @param _paramCache parameter cache
* @param _mapping cache mapping
* @param _jpoName name of searched JPO
* @throws Exception if the list of MxUdpate JPOs could not evaluated or if the related class
* could not be found
* @see #MQL_LISTPROG
* @see #jpoClass
*/
@SuppressWarnings("unchecked")
private void defineJPOClass(
final ParameterCache_mxJPO _paramCache, final Mapping_mxJPO _mapping, final String _jpoName)
throws Exception {
if (_mapping.getTypeDefJPOsMap().isEmpty()) {
final String tmp = MqlUtil_mxJPO.execMql(_paramCache, TypeDef_mxJPO.MQL_LISTPROG);
for (final String line : tmp.split("\n")) {
final String[] arr = line.split("\t");
if (arr.length > 1) {
_mapping.getTypeDefJPOsMap().put(arr[0], arr[1]);
}
}
}
final String jpoClassName = _mapping.getTypeDefJPOsMap().get(_jpoName);
if (jpoClassName == null) {
throw new Exception("unknown jpo class definition for " + _jpoName);
}
try {
// directly in MX
this.jpoClass = (Class<? extends AbstractObject_mxJPO>) Class.forName(jpoClassName);
} catch (final ClassNotFoundException e) {
// run separately
this.jpoClass = (Class<? extends AbstractObject_mxJPO>) Class.forName(_jpoName + "_mxJPO");
}
}
/**
* Executes given MQL command statement <code>_cmd</code> and returns the result.
*
* @param _cmd MQL command statement to execute
* @return returned string value from the called MQL command <code>_cmd</code>
* @throws MatrixException if MQL execution failed
*/
public String mql(final CharSequence _cmd) throws MatrixException {
return MqlUtil_mxJPO.execMql(this.context, _cmd, true);
}