org.apache.arrow.vector.compare

Class RangeEqualsVisitor

java.lang.Object

org.apache.arrow.vector.compare.RangeEqualsVisitor

All Implemented Interfaces:

VectorVisitor<Boolean,Range>

Direct Known Subclasses:

ApproxEqualsVisitor

public class RangeEqualsVisitor
extends Object
implements VectorVisitor<Boolean,Range>

Visitor to compare a range of values for vectors.

Constructor Summary

Constructors

Constructor and Description
RangeEqualsVisitor(ValueVector left, ValueVector right) Constructs a new instance.
RangeEqualsVisitor(ValueVector left, ValueVector right, boolean isTypeCheckNeeded) Constructs a new instance.

Method Summary

Modifier and Type	Method and Description
protected boolean	compareBaseFixedWidthVectors(Range range)
protected boolean	compareBaseVariableWidthVectors(Range range)
protected boolean	compareFixedSizeListVectors(Range range)
protected boolean	compareListVectors(Range range)
protected boolean	compareStructVectors(Range range)
protected boolean	compareUnionVectors(Range range)
protected RangeEqualsVisitor	createInnerVisitor(ValueVector leftInner, ValueVector rightInner) Creates a visitor to visit child vectors.
ValueVector	getLeft()
ValueVector	getRight()
boolean	rangeEquals(Range range) Check range equals.
protected boolean	validate(ValueVector left) Validate the passed left vector, if it is changed, reset and check type.
Boolean	visit(BaseFixedWidthVector left, Range range)
Boolean	visit(BaseVariableWidthVector left, Range range)
Boolean	visit(FixedSizeListVector left, Range range)
Boolean	visit(ListVector left, Range range)
Boolean	visit(NonNullableStructVector left, Range range)
Boolean	visit(UnionVector left, Range range)
Boolean	visit(ZeroVector left, Range range)

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeEqualsVisitor

public RangeEqualsVisitor(ValueVector left,
                          ValueVector right,
                          boolean isTypeCheckNeeded)

Constructs a new instance.

Parameters:

left - left vector

right - right vector

isTypeCheckNeeded - type check needed

RangeEqualsVisitor

public RangeEqualsVisitor(ValueVector left,
                          ValueVector right)

Constructs a new instance.

Parameters:

left - left vector

right - right vector

Method Detail

validate

protected boolean validate(ValueVector left)

Validate the passed left vector, if it is changed, reset and check type.

rangeEquals

public boolean rangeEquals(Range range)

Check range equals.

getLeft

public ValueVector getLeft()

getRight

public ValueVector getRight()

visit

public Boolean visit(BaseFixedWidthVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(BaseVariableWidthVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(ListVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(FixedSizeListVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(NonNullableStructVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(UnionVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

visit

public Boolean visit(ZeroVector left,
                     Range range)

Specified by:

visit in interface VectorVisitor<Boolean,Range>

createInnerVisitor

protected RangeEqualsVisitor createInnerVisitor(ValueVector leftInner,
                                                ValueVector rightInner)

Creates a visitor to visit child vectors. It is used for complex vector types.

Returns:

the visitor for child vecors.

compareUnionVectors

protected boolean compareUnionVectors(Range range)

compareStructVectors

protected boolean compareStructVectors(Range range)

compareBaseFixedWidthVectors

protected boolean compareBaseFixedWidthVectors(Range range)

compareBaseVariableWidthVectors

protected boolean compareBaseVariableWidthVectors(Range range)

compareListVectors

protected boolean compareListVectors(Range range)

compareFixedSizeListVectors

protected boolean compareFixedSizeListVectors(Range range)