private boolean _checkPrivate0(BasicOperator _op) {
if (_op.getClass() != lupos.engine.operators.singleinput.Filter.class) {
return false;
}
this.f = (lupos.engine.operators.singleinput.Filter) _op;
List<BasicOperator> _precedingOperators_1_0 = _op.getPrecedingOperators();
this._dim_0 = -1;
this.o1 = new lupos.engine.operators.BasicOperator[_precedingOperators_1_0.size()];
for (BasicOperator _precOp_1_0 : _precedingOperators_1_0) {
this._dim_0 += 1;
if (!this._checkPrivate1(_precOp_1_0)) {
return false;
}
}
List<OperatorIDTuple> _succedingOperators_1_0 = _op.getSucceedingOperators();
this._dim_0 = -1;
this.o2 = new lupos.engine.operators.BasicOperator[_succedingOperators_1_0.size()];
for (OperatorIDTuple _sucOpIDTup_1_0 : _succedingOperators_1_0) {
this._dim_0 += 1;
if (!this._checkPrivate2(_sucOpIDTup_1_0.getOperator())) {
return false;
}
}
return true;
}
public void logDeletedOperatorsBelow(
final BasicOperator parent, final Collection<BasicOperator> deleted) {
if (parent.getPrecedingOperators().size() < 2) {
deleted.add(parent);
final OperatorIDTuple[] opIDTuples =
parent.getSucceedingOperators().toArray(new OperatorIDTuple[0]);
for (final OperatorIDTuple opIDTuple : opIDTuples) {
logDeletedOperatorsBelow(opIDTuple.getOperator(), deleted);
}
}
}
public void deleteAllBelow(
final BasicOperator parent,
final BasicOperator child,
final Collection<BasicOperator> deleted) {
if (child.getPrecedingOperators().size() > 1) {
parent.removeSucceedingOperator(child);
child.removePrecedingOperator(parent);
} else {
deleted.add(parent);
final OperatorIDTuple[] opIDTuples =
child.getSucceedingOperators().toArray(new OperatorIDTuple[0]);
for (final OperatorIDTuple opIDTuple : opIDTuples) {
deleteAllBelow(child, opIDTuple.getOperator(), deleted);
}
}
}
private boolean _checkPrivate0(BasicOperator _op) {
if (_op.getClass() != lupos.rif.operator.PredicatePattern.class) {
return false;
}
this.p = (lupos.rif.operator.PredicatePattern) _op;
List<BasicOperator> _precedingOperators_1_0 = _op.getPrecedingOperators();
this._dim_0 = -1;
this.o1 = new lupos.engine.operators.BasicOperator[_precedingOperators_1_0.size()];
for (BasicOperator _precOp_1_0 : _precedingOperators_1_0) {
this._dim_0 += 1;
if (!this._checkPrivate1(_precOp_1_0)) {
return false;
}
}
List<OperatorIDTuple> _succedingOperators_1_0 = _op.getSucceedingOperators();
if (_succedingOperators_1_0.size() != 1) {
return false;
}
for (OperatorIDTuple _sucOpIDTup_1_0 : _succedingOperators_1_0) {
if (!(_sucOpIDTup_1_0.getOperator() instanceof lupos.engine.operators.BasicOperator)) {
continue;
}
this.o2 = (lupos.engine.operators.BasicOperator) _sucOpIDTup_1_0.getOperator();
return true;
}
return false;
}
public void deleteAllAbove(
final BasicOperator parent,
final BasicOperator child,
final Collection<BasicOperator> deleted) {
parent.removeSucceedingOperator(child);
if (!(parent instanceof PatternMatcher)) {
// log parent as deleted operator
deleted.add(parent);
// in addition, log all operators (other than child) below parent, that became unrechable
if (parent.getSucceedingOperators().size() > 0) {
final OperatorIDTuple[] opIDTuples =
parent.getSucceedingOperators().toArray(new OperatorIDTuple[0]);
for (final OperatorIDTuple opIDTuple : opIDTuples) {
logDeletedOperatorsBelow(opIDTuple.getOperator(), deleted);
}
}
for (final BasicOperator parentparent : parent.getPrecedingOperators()) {
deleteAllAbove(parentparent, parent, deleted);
}
}
}