QE SourceCode GPL - https://github.com/iboxdb/db4o-gpl

java.lang.Object
- com.db4o.internal.query.processor.QE

All Implemented Interfaces:

Unversioned

Direct Known Subclasses:

QEAbstract, QEMulti, QENot
```
public class QE
extends java.lang.Object
implements Unversioned
```
Query Evaluator - Represents such things as >, >=, <, <=, EQUAL, LIKE, etc.

Field Summary

Fields
Modifier and Type Field Description

static int EQUAL

static int GREATER

static int NULLS

static int SMALLER

Constructor Summary

Constructors
Constructor Description

QE()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object obj)`
`int`	`hashCode()`
`boolean`	`identity()`
`void`	`indexBitMap(boolean[] bits)`	Specifies which part of the index to take.
`boolean`	`supportsIndex()`

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

- Field Detail
  - NULLS
```
public static final int NULLS
```
    See Also:
    
    Constant Field Values
  - SMALLER
```
public static final int SMALLER
```
    See Also:
    
    Constant Field Values
  - EQUAL
```
public static final int EQUAL
```
    See Also:
    
    Constant Field Values
  - GREATER
```
public static final int GREATER
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - QE
```
public QE()
```
- Method Detail
  - identity
```
public boolean identity()
```
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - indexBitMap
```
public void indexBitMap(boolean[] bits)
```
    Specifies which part of the index to take. Array elements: [0] - smaller [1] - equal [2] - greater [3] - nulls
    
    Parameters:
    
    bits -
  - supportsIndex
```
public boolean supportsIndex()
```