private void addNeedsFuture(NeedsFutureClause clause) {
if (needsFuture != null) {
throw new IllegalStateException(
needsFuture + " is already waiting for a future clause, can't add: " + clause);
}
needsFuture = clause;
push(clause);
}
private void addClause(Clause clause) {
if (needsFuture == null) {
push(clause);
} else {
// we have a binary statement which was called before the right clause was defined
needsFuture.setMissingClause(clause);
needsFuture = null;
}
}
/** OR operation which takes the previous clause and the next clause and OR's them together. */
public Where<T, ID> or() {
ManyClause clause = new ManyClause(pop("OR"), ManyClause.OR_OPERATION);
push(clause);
addNeedsFuture(clause);
return this;
}
/** AND operation which takes the previous clause and the next clause and AND's them together. */
public Where<T, ID> and() {
ManyClause clause = new ManyClause(pop("AND"), ManyClause.AND_OPERATION);
push(clause);
addNeedsFuture(clause);
return this;
}