com.mapr.ojai.store.impl

Class ExpressionToCondition

java.lang.Object

com.mapr.ojai.store.impl.ExpressionVisitor

com.mapr.ojai.store.impl.ExpressionToCondition

public class ExpressionToCondition
extends ExpressionVisitor

Method Summary

Modifier and Type	Method and Description
static org.ojai.store.QueryCondition	convert(Expression expr, OjaiConnection ojaiConnection)
void	visitField(FieldExpression fieldExpr) Visit a FieldExpression.
void	visitLiteral(LiteralExpression literalExpr) Visit a LiteralExpression.
void	visitNary(NaryOperator naryOp) Visit a NaryOperator.
void	visitRelational(RelationalOperator relOp) Visit a RelationalOperator.
void	visitUnary(UnaryOperator unaryOp) Visit a UnaryOperator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

convert

public static org.ojai.store.QueryCondition convert(Expression expr,
                                                    OjaiConnection ojaiConnection)

visitField

public void visitField(FieldExpression fieldExpr)

Description copied from class: ExpressionVisitor

Visit a FieldExpression.

Overrides:

visitField in class ExpressionVisitor

Parameters:

fieldExpr - the field expression

visitLiteral

public void visitLiteral(LiteralExpression literalExpr)

Description copied from class: ExpressionVisitor

Visit a LiteralExpression.

Overrides:

visitLiteral in class ExpressionVisitor

Parameters:

literalExpr - the literal expression

visitNary

public void visitNary(NaryOperator naryOp)

Description copied from class: ExpressionVisitor

Visit a NaryOperator.

Overrides:

visitNary in class ExpressionVisitor

Parameters:

naryOp - the n-ary operator

visitRelational

public void visitRelational(RelationalOperator relOp)

Description copied from class: ExpressionVisitor

Visit a RelationalOperator. The default behavior is to call ExpressionVisitor.visitNary(NaryOperator). This only needs to be overriden if relational operators need different treatment.

Overrides:

visitRelational in class ExpressionVisitor

Parameters:

relOp - the relational operator

visitUnary

public void visitUnary(UnaryOperator unaryOp)

Description copied from class: ExpressionVisitor

Visit a UnaryOperator.

Overrides:

visitUnary in class ExpressionVisitor

Parameters:

unaryOp - the unary operator