Java Doc for QueryTreeResolver.java in  » Database-ORM » db-ojb » org » apache » ojb » jdo » jdoql » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.jdo.jdoql   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.ojb.jdo.jdoql.VisitorBase       org.apache.ojb.jdo.jdoql.QueryTreeResolver QueryTreeResolver public class QueryTreeResolver extends VisitorBase (Code) Resolves and checks the query trees. This involves the following things: Replace NameExpression NameExpression with LocalVariableAccess VariableAccess , FieldAccess FieldAccess , or TypeAccess TypeAccess Resolve types referenced by Type Type and TypeAccess TypeAccess Resolve features/variables referenced by LocalVariableAccess VariableAccess , FieldAccess FieldAccess , and MethodInvocation MethodInvocation Check that expression types are valid, e.g. that the types of the two sides of a binary expression are compatible to each other and that this binary operator can be applied to them Check that the accessed methods are allowed to be accessed as per JDO spec (or extensions allowed by OJB) Check that for each accessed variable there is a variable or parameter defined Check that each accessed field is persistent author:    Thomas Dudziak Method Summary public  void resolveAndCheck(QueryImpl query)      Resolves and checks the given query. public  void visit(BinaryExpression binExpr)      public  void visit(MethodInvocation methodInvoc)      public  void visit(NameExpression nameExpr)      public  void visit(NullLiteral nullLit)      public  void visit(ThisExpression thisExpr)      public  void visit(Type type)      public  void visit(UnaryExpression unaryExpr)      Method Detail resolveAndCheck public void resolveAndCheck(QueryImpl query) throws JDOUserException(Code) Resolves and checks the given query. Results from a previous resolving are overwritten. Parameters:   query - The query exception:   JDOUserException - If the query is invalid visit public void visit(BinaryExpression binExpr) throws JDOUserException(Code) visit public void visit(MethodInvocation methodInvoc) throws JDOUserException(Code) visit public void visit(NameExpression nameExpr) throws JDOUserException(Code) visit public void visit(NullLiteral nullLit)(Code) visit public void visit(ThisExpression thisExpr)(Code) visit public void visit(Type type) throws JDOUserException(Code) visit public void visit(UnaryExpression unaryExpr) throws JDOUserException(Code) Methods inherited from org.apache.ojb.jdo.jdoql.VisitorBase public void visit(BinaryExpression binExpr)(Code)(Java Doc) public void visit(FieldAccess fieldAccess)(Code)(Java Doc) public void visit(Import importSpec)(Code)(Java Doc) public void visit(Literal literal)(Code)(Java Doc) public void visit(LocalVariable localVar)(Code)(Java Doc) public void visit(LocalVariableAccess localVarAccess)(Code)(Java Doc) public void visit(MethodInvocation methodInvoc)(Code)(Java Doc) public void visit(NullLiteral nullLit)(Code)(Java Doc) public void visit(Ordering ordering)(Code)(Java Doc) public void visit(ThisExpression thisExpr)(Code)(Java Doc) public void visit(Type type)(Code)(Java Doc) public void visit(TypeAccess typeAccess)(Code)(Java Doc) public void visit(UnaryExpression unaryExpr)(Code)(Java Doc) public void visit(NameExpression nameExpr)(Code)(Java Doc) public void visitFilter(Expression filterExpr)(Code)(Java Doc) public void visitOrderings(List orderings)(Code)(Java Doc) public void visitParameters(List params)(Code)(Java Doc) public void visitVariables(List variables)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)