public static FilterSchema getInstance() {
return instance;
}
private static Element[] loadElements() {
Element comparisonOps = new FilterElement("comparisonOps",
ComparisonOpsType.getInstance()) {
public boolean isAbstract() {
return true;
}
};
Element spatialOps = new FilterElement("spatialOps",
SpatialOpsType.getInstance()) {
public boolean isAbstract() {
return true;
}
};
Element logicOps = new FilterElement("logicOps",
LogicOpsType.getInstance()) {
public boolean isAbstract() {
return true;
}
};
Element expression = new FilterElement("expression",
ExpressionType.getInstance()) {
public boolean isAbstract() {
return true;
}
};