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CompoundedPredicateImpl.java
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CompoundedPredicateImpl.java
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package cz.cvut.kbss.jopa.query.criteria;
import cz.cvut.kbss.jopa.model.query.criteria.Expression;
import cz.cvut.kbss.jopa.model.query.criteria.Predicate;
import cz.cvut.kbss.jopa.query.criteria.expressions.AbstractExpression;
import cz.cvut.kbss.jopa.sessions.CriteriaFactory;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
public class CompoundedPredicateImpl extends AbstractPredicate{
protected List<Expression<Boolean>> expressions;
public CompoundedPredicateImpl(BooleanOperator booleanOperator, List<Expression<Boolean>> expressions, CriteriaFactory factory) {
super(booleanOperator, factory);
this.expressions = expressions;
}
@Override
public List<Expression<Boolean>> getExpressions(){
return expressions;
}
@Override
public BooleanOperator getOperator() {
return this.booleanOperator;
}
@Override
public Predicate not() {
for (Expression<Boolean> expression:expressions) {
AbstractExpression abstractExpression = (AbstractExpression) expression;
abstractExpression.negate();
}
super.negate();
super.negateOperator();
return this;
}
@Override
public void setExpressionToQuery(StringBuilder query, CriteriaParameterFiller parameterFiller) {
for (int i = 0; i < expressions.size(); i++) {
AbstractExpression expression = (AbstractExpression) expressions.get(i);
if (expression instanceof CompoundedPredicateImpl){
query.append("(");
expression.setExpressionToQuery(query,parameterFiller);
query.append(")");
} else {
expression.setExpressionToQuery(query,parameterFiller);
}
if(i < (expressions.size()-1)) query.append(" " + this.getOperator().toString() + " ");
}
}
@Override
public void negate(){
this.not();
}
}