GroupByCriterion (Hydra Java API)

java.lang.Object
- com.gdblab.pathAlgebra.expressions.GroupByCriterion

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<GroupByCriterion>

Direct Known Subclasses:

GroupByCriterion.Length, GroupByCriterion.None, GroupByCriterion.Source, GroupByCriterion.SourceLength, GroupByCriterion.SourceTarget, GroupByCriterion.SourceTargetLength, GroupByCriterion.Target, GroupByCriterion.TargetLength
```
public abstract class GroupByCriterion
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<GroupByCriterion>
```
Grouping criteria corresponding to paper's γ variants

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`GroupByCriterion.Length`
`static class`	`GroupByCriterion.None`
`static interface`	`GroupByCriterion.PartialVisitor<R>`	Partial visitor over `GroupByCriterion` with a default `GroupByCriterion.PartialVisitor.otherwise(com.gdblab.pathAlgebra.expressions.GroupByCriterion)` branch.
`static class`	`GroupByCriterion.Source`
`static class`	`GroupByCriterion.SourceLength`
`static class`	`GroupByCriterion.SourceTarget`
`static class`	`GroupByCriterion.SourceTargetLength`
`static class`	`GroupByCriterion.Target`
`static class`	`GroupByCriterion.TargetLength`
`static interface`	`GroupByCriterion.Visitor<R>`	Visitor over `GroupByCriterion`.

Field Summary

Fields
Modifier and Type	Field	Description
`static Name`	`LENGTH`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.length` field.
`static Name`	`NONE`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.none` field.
`static Name`	`SOURCE`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.source` field.
`static Name`	`SOURCE_LENGTH`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceLength` field.
`static Name`	`SOURCE_TARGET`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceTarget` field.
`static Name`	`SOURCE_TARGET_LENGTH`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceTargetLength` field.
`static Name`	`TARGET`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.target` field.
`static Name`	`TARGET_LENGTH`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion.targetLength` field.
`static Name`	`TYPE_`	Name of the `com.gdblab.pathAlgebra.expressions.GroupByCriterion` type.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type Method Description

abstract <R> R accept(GroupByCriterion.Visitor<R> visitor)
Dispatch to visitor.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface java.lang.Comparable
  compareTo

- Field Detail
  - TYPE_
```
public static final Name TYPE_
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion type.
  - NONE
```
public static final Name NONE
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.none field.
  - SOURCE
```
public static final Name SOURCE
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.source field.
  - TARGET
```
public static final Name TARGET
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.target field.
  - LENGTH
```
public static final Name LENGTH
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.length field.
  - SOURCE_TARGET
```
public static final Name SOURCE_TARGET
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceTarget field.
  - SOURCE_LENGTH
```
public static final Name SOURCE_LENGTH
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceLength field.
  - TARGET_LENGTH
```
public static final Name TARGET_LENGTH
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.targetLength field.
  - SOURCE_TARGET_LENGTH
```
public static final Name SOURCE_TARGET_LENGTH
```
    Name of the com.gdblab.pathAlgebra.expressions.GroupByCriterion.sourceTargetLength field.
- Method Detail
  - accept
```
public abstract <R> R accept(GroupByCriterion.Visitor<R> visitor)
```
    Dispatch to visitor.