Package org.apache.vxquery.compiler.algebricks.prettyprint

Class VXQueryLogicalExpressionPrettyPrintVisitor

java.lang.Object

org.apache.vxquery.compiler.algebricks.prettyprint.VXQueryLogicalExpressionPrettyPrintVisitor

All Implemented Interfaces:

org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

public class VXQueryLogicalExpressionPrettyPrintVisitor
extends Object
implements org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Constructor Summary

Constructors

Constructor	Description
VXQueryLogicalExpressionPrettyPrintVisitor(StaticContext ctx)

Method Summary

Modifier and Type	Method	Description
protected static StringBuilder	addIndent(StringBuilder buffer, int level)
protected StringBuilder	appendArgument(StringBuilder sb, org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> arg, Integer indent)
protected StringBuilder	appendArguments(StringBuilder sb, List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> args, Integer indent)
protected StringBuilder	appendFunction(StringBuilder sb, org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression expr, Integer indent)
protected SequenceType	getSequenceType(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression cTypeEx)
protected boolean	identifiesPathStep(org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)
protected boolean	identifiesTypeOperator(org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)
String	visitAggregateFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression expr, Integer indent)
String	visitConstantExpression(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression expr, Integer indent)
String	visitScalarFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression expr, Integer indent)
String	visitStatefulFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression expr, Integer indent)
String	visitUnnestingFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression expr, Integer indent)
String	visitVariableReferenceExpression(org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression expr, Integer indent)

Methods inherited from class java.lang.Object

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

Constructor Detail

VXQueryLogicalExpressionPrettyPrintVisitor

public VXQueryLogicalExpressionPrettyPrintVisitor(StaticContext ctx)

Method Detail

visitConstantExpression

public String visitConstantExpression(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression expr,
                                      Integer indent)
                               throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitConstantExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

visitVariableReferenceExpression

public String visitVariableReferenceExpression(org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression expr,
                                               Integer indent)
                                        throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitVariableReferenceExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

visitAggregateFunctionCallExpression

public String visitAggregateFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression expr,
                                                   Integer indent)
                                            throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitAggregateFunctionCallExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

visitScalarFunctionCallExpression

public String visitScalarFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression expr,
                                                Integer indent)
                                         throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitScalarFunctionCallExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

visitStatefulFunctionCallExpression

public String visitStatefulFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression expr,
                                                  Integer indent)
                                           throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitStatefulFunctionCallExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

visitUnnestingFunctionCallExpression

public String visitUnnestingFunctionCallExpression(org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression expr,
                                                   Integer indent)
                                            throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

visitUnnestingFunctionCallExpression in interface org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor<String,Integer>

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

identifiesTypeOperator

protected boolean identifiesTypeOperator(org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)

identifiesPathStep

protected boolean identifiesPathStep(org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)

appendFunction

protected StringBuilder appendFunction(StringBuilder sb,
                                       org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression expr,
                                       Integer indent)
                                throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

appendArguments

protected StringBuilder appendArguments(StringBuilder sb,
                                        List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> args,
                                        Integer indent)
                                 throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

appendArgument

protected StringBuilder appendArgument(StringBuilder sb,
                                       org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> arg,
                                       Integer indent)
                                throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

getSequenceType

protected SequenceType getSequenceType(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression cTypeEx)

addIndent

protected static final StringBuilder addIndent(StringBuilder buffer,
                                               int level)