JoinExpression (Hydra Java API)

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<JoinExpression>
```
public class JoinExpression
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<JoinExpression>
```
Join operator: expr1 ⊲⊳ expr2

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`PathExpression`	`left`
`static Name`	`LEFT`	Name of the `com.gdblab.pathAlgebra.expressions.JoinExpression.left` field.
`PathExpression`	`right`
`static Name`	`RIGHT`	Name of the `com.gdblab.pathAlgebra.expressions.JoinExpression.right` field.
`static Name`	`TYPE_`	Name of the `com.gdblab.pathAlgebra.expressions.JoinExpression` type.

Constructor Summary

Constructors
Constructor Description

JoinExpression(PathExpression left, PathExpression right)
Constructs an immutable JoinExpression.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(JoinExpression other)`
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`JoinExpression`	`withLeft(PathExpression left)`	Returns a copy of this `JoinExpression` with `left` replaced.
`JoinExpression`	`withRight(PathExpression right)`	Returns a copy of this `JoinExpression` with `right` replaced.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - TYPE_
```
public static final Name TYPE_
```
    Name of the com.gdblab.pathAlgebra.expressions.JoinExpression type.
  - LEFT
```
public static final Name LEFT
```
    Name of the com.gdblab.pathAlgebra.expressions.JoinExpression.left field.
  - RIGHT
```
public static final Name RIGHT
```
    Name of the com.gdblab.pathAlgebra.expressions.JoinExpression.right field.
  - left
```
public final PathExpression left
```
  - right
```
public final PathExpression right
```
- Constructor Detail
  - JoinExpression
```
public JoinExpression(PathExpression left,
                      PathExpression right)
```
    Constructs an immutable JoinExpression.
- Method Detail
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - compareTo
```
public int compareTo(JoinExpression other)
```
    Specified by:
    
    compareTo in interface java.lang.Comparable<JoinExpression>
  - withLeft
```
public JoinExpression withLeft(PathExpression left)
```
    Returns a copy of this JoinExpression with left replaced.
  - withRight
```
public JoinExpression withRight(PathExpression right)
```
    Returns a copy of this JoinExpression with right replaced.