private static Property makeProperty(Tree child, boolean isRootedInDynamic) {
switch (child.getType()) {
case EsperEPL2GrammarParser.EVENT_PROP_SIMPLE:
if (!isRootedInDynamic) {
return new SimpleProperty(child.getChild(0).getText());
} else {
return new DynamicSimpleProperty(child.getChild(0).getText());
}
case EsperEPL2GrammarParser.EVENT_PROP_MAPPED:
String key = StringValue.parseString(child.getChild(1).getText());
if (!isRootedInDynamic) {
return new MappedProperty(child.getChild(0).getText(), key);
} else {
return new DynamicMappedProperty(child.getChild(0).getText(), key);
}
case EsperEPL2GrammarParser.EVENT_PROP_INDEXED:
int index = IntValue.parseString(child.getChild(1).getText());
if (!isRootedInDynamic) {
return new IndexedProperty(child.getChild(0).getText(), index);
} else {
return new DynamicIndexedProperty(child.getChild(0).getText(), index);
}
case EsperEPL2GrammarParser.EVENT_PROP_DYNAMIC_SIMPLE:
return new DynamicSimpleProperty(child.getChild(0).getText());
case EsperEPL2GrammarParser.EVENT_PROP_DYNAMIC_INDEXED:
index = IntValue.parseString(child.getChild(1).getText());
return new DynamicIndexedProperty(child.getChild(0).getText(), index);
case EsperEPL2GrammarParser.EVENT_PROP_DYNAMIC_MAPPED:
key = StringValue.parseString(child.getChild(1).getText());
return new DynamicMappedProperty(child.getChild(0).getText(), key);
default:
throw new IllegalStateException(
"Event property AST node not recognized, type=" + child.getType());
}
}
private static Object parseNumOrVariableIdent(Tree child) {
if (child.getType() == EsperEPL2GrammarParser.IDENT) {
return child.getText();
} else {
return IntValue.parseString(child.getText());
}
}