Package org.apache.cayenne.exp

Examples of org.apache.cayenne.exp.ExpressionException

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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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        // see if this is an attribute
        Attribute attr = currentEntity.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);
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                .append(": [")
                .append(currentEntity.getName())
                .append('.')
                .append(pathComponent)
                .append("].");
        return new ExpressionException(buffer.toString(), path, null);
    }
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                    newChildren[j++] = c;
                }
            }

            if (j != newSize) {
                throw new ExpressionException("Assertion error: " + j + " != " + newSize);
            }

            this.children = newChildren;
        }
    }
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        try {
            return evaluateNode(o);
        }
        catch (Throwable th) {
            String string = this.toString();
            throw new ExpressionException(
                    "Error evaluating expression '" + string + "'",
                    string,
                    Util.unwindException(th));
        }
    }
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        pw.print(getEJBQLExpressionOperator(0));
        pw.print(" ");
       
        Object literal = ((ASTScalar) children[1]).getValue();
        if (!(literal instanceof String)) {
            throw new ExpressionException("Literal value should be a string");
        }
        SimpleNode.encodeScalarAsString(pw, ((String) literal).toUpperCase(), '\'');
    }
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        setValue(value);
    }

    @Override
    protected Object evaluateNode(Object o) throws Exception {
        throw new ExpressionException(
            "Uninitialized parameter: " + value + ", call 'expWithParameters' first.");
    }
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    }

    @Override
    public void setValue(Object value) {
        if (value == null) {
            throw new ExpressionException("Null Parameter value");
        }

        String name = value.toString().trim();
        if (name.length() == 0) {
            throw new ExpressionException("Empty Parameter value");
        }

        super.setValue(new ExpressionParameter(name));
    }
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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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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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