Package org.apache.cayenne.exp

Examples of org.apache.cayenne.exp.ExpressionException

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                            .getOperand(0), aliasMap);
                }
            };
        }

        throw new ExpressionException("Invalid expression type: '"
                + pathExp.expName()
                + "',  OBJ_PATH is expected.");
    }
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            throws ExpressionException {

        // resolve DB_PATH if we can
        if (pathExp.getType() == Expression.DB_PATH) {
            if (getDbEntity() == null) {
                throw new ExpressionException("Can't resolve DB_PATH '"
                        + pathExp
                        + "', DbEntity is not set.");
            }

            return getDbEntity().resolvePathComponents(pathExp);
        }

        if (pathExp.getType() == Expression.OBJ_PATH) {
            return new PathIterator((String) pathExp.getOperand(0));
        }

        throw new ExpressionException("Invalid expression type: '"
                + pathExp.expName()
                + "',  OBJ_PATH is expected.");
    }
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                            .getOperand(0), aliasMap);
                }
            };
        }

        throw new ExpressionException("Invalid expression type: '"
                + pathExp.expName()
                + "',  DB_PATH is expected.");
    }
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    @Override
    public Iterator<CayenneMapEntry> resolvePathComponents(Expression pathExp)
            throws ExpressionException {
        if (pathExp.getType() != Expression.DB_PATH) {
            throw new ExpressionException("Invalid expression type: '"
                    + pathExp.expName()
                    + "',  DB_PATH is expected.");
        }

        return new PathIterator((String) pathExp.getOperand(0));
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        }
        else if (object instanceof Number) {
            return new BigDecimal(((Number) object).doubleValue());
        }

        throw new ExpressionException("Can't convert to BigDecimal: " + object);
    }
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        // in the grammar... do it here...

        // disallow non-aggregated condition parents...
        if (!(n instanceof AggregateConditionNode)) {
            String label = (n instanceof SimpleNode) ? ((SimpleNode)n).expName() : String.valueOf(n);
            throw new ExpressionException(expName() + ": invalid parent - " + label);
        }

        super.jjtSetParent(n);
    }
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        if (!(n instanceof AggregateConditionNode)) {
            String label =
                (n instanceof SimpleNode)
                    ? ((SimpleNode) n).expName()
                    : String.valueOf(n);
            throw new ExpressionException(expName() + ": invalid parent - " + label);
        }

        super.jjtSetParent(n);
    }
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        if (!(n instanceof ConditionNode) && !(n instanceof AggregateConditionNode)) {
            String label =
                (n instanceof SimpleNode)
                    ? ((SimpleNode) n).expName()
                    : String.valueOf(n);
            throw new ExpressionException(expName() + ": invalid child - " + label);
        }

        super.jjtAddChild(n, i);
    }
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            // see if this is an attribute
            Attribute attr = currentEnt.getAttribute(pathComp);
            if (attr != null) {
                // do a sanity check...
                if (toks.hasMoreTokens())
                    throw new ExpressionException(
                            "Attribute must be the last component of the path: '"
                                    + pathComp
                                    + "'.",
                            path,
                            null);

                return attr;
            }

            Relationship rel = currentEnt.getRelationship(pathComp);
            if (rel != null) {
                currentEnt = rel.getTargetEntity();
                if (currentEnt != null || !toks.hasMoreTokens()) { //otherwise an exception will be thrown
                    return rel;
                }
            }

            // build error message
            StringBuilder buf = new StringBuilder();
            buf
                    .append("Can't resolve path component: [")
                    .append(currentEnt.getName())
                    .append('.')
                    .append(pathComp)
                    .append("].");
            throw new ExpressionException(buf.toString(), path, null);
        }
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                            .getOperand(0), aliasMap);
                }
            };
        }

        throw new ExpressionException("Invalid expression type: '"
                + pathExp.expName()
                + "',  DB_PATH is expected.");
    }
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Related Classes of org.apache.cayenne.exp.ExpressionException

  • org.apache.cayenne.access.trans.QualifierTranslator
  • org.apache.cayenne.exp.parser.AggregateConditionNode
  • org.apache.cayenne.exp.parser.ASTNamedParameter
  • org.apache.cayenne.exp.parser.ASTObjPath
  • org.apache.cayenne.exp.parser.ConditionNode
  • org.apache.cayenne.exp.parser.IgnoreCaseNode
  • org.apache.cayenne.exp.parser.SimpleNode
  • org.apache.cayenne.map.DbEntity
  • org.apache.cayenne.map.Entity$PathIterator
  • org.apache.cayenne.map.ObjEntity
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