/** @return the type of this variable */
@Override
public String getType() {
if (value == null) {
return "undefined";
}
return value.getType();
}
/**
* Return the text which is used to build a text program from a program tree
*
* @return
*/
public String getExpertProgramDecl() {
if (value == null) {
return "{ type: " + this.getType() + ", id: " + this.id + "}";
} else {
return value.getJSONDescription().toString();
}
}
@Override
public String getTypeSpec() {
if (isUndefined()) {
return "var -> " + this.id + " (UNDEF)";
} else {
return "var " + this.id + "[" + getType() + "]: " + value.toString();
}
}
@Override
public String getValue() {
if (isUndefined()) {
LOGGER.error("trying to access a non defined variable");
return null;
}
if (!isVar()) {
return value.getValue();
}
LOGGER.trace("We found a reference");
String varName = value.getValue();
NodeVariableDefinition element = getVariableByName(varName);
if (element == null) {
LOGGER.error("Var not found");
return null;
}
if (element.value.getValue().equals(varName)) {
LOGGER.error("Found a circular reference");
}
return element.getValue();
}
/** @return the json description of the variable */
@Override
public JSONObject getJSONDescription() {
JSONObject o = super.getJSONDescription();
try {
o.put("type", "variableDefinition");
o.put("var_name", id);
if (!isUndefined()) {
o.put("value", value.getJSONDescription());
}
} catch (JSONException ex) {
// Do nothing since 'JSONObject.put(key,val)' would raise an exception
// only if the key is null, which will never be the case
}
return o;
}
