ValueGetter (PostGIS Java bindings 22.3.0 API)

java.lang.Object
- io.github.sebasbaumh.postgis.binary.ValueGetter

Direct Known Subclasses:

BinaryValueGetter, StringValueGetter
```
public abstract class ValueGetter
extends Object
```
A base class for value readers.

Author:

Sebastian Baumhekel

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`protected static interface`	`ValueGetter.IntBuilder`	Builder for an int from a byte sequence.
`protected static interface`	`ValueGetter.LongBuilder`	Builder for a long from a byte sequence.

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`endian`	Current encoding (default is little endian encoding).
`protected ValueGetter.IntBuilder`	`funcInt`	Builder for integer values respecting the current encoding (default is little endian encoding).
`protected ValueGetter.LongBuilder`	`funcLong`	Builder for long values respecting the current encoding (default is little endian encoding).

Constructor Summary

Constructors
Constructor Description

ValueGetter()
Constructs an instance.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getDouble()`	Get a double value.
`int`	`getInt()`	Get an integer value.
`long`	`getLong()`	Get a long value.
`protected abstract int`	`getNextByte()`	Gets a byte at the current index.
`void`	`readEncoding()`	Reads the encoding and adjusts the internal decoder if necessary.

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

- Field Detail
  - endian
```
protected int endian
```
    Current encoding (default is little endian encoding).
  - funcInt
```
protected ValueGetter.IntBuilder funcInt
```
    Builder for integer values respecting the current encoding (default is little endian encoding).
  - funcLong
```
protected ValueGetter.LongBuilder funcLong
```
    Builder for long values respecting the current encoding (default is little endian encoding).
- Constructor Detail
  - ValueGetter
```
public ValueGetter()
```
    Constructs an instance.
- Method Detail
  - getDouble
```
public double getDouble()
```
    Get a double value.
    
    Returns:
    
    double value
  - getInt
```
public int getInt()
```
    Get an integer value.
    
    Returns:
    
    integer value
  - getLong
```
public long getLong()
```
    Get a long value.
    
    Returns:
    
    long value
  - getNextByte
```
protected abstract int getNextByte()
```
    Gets a byte at the current index.
    
    Returns:
    
    byte
    
    Throws:
    
    IndexOutOfBoundsException - if the current index is out of the range
  - readEncoding
```
public void readEncoding()
```
    Reads the encoding and adjusts the internal decoder if necessary.
    
    Throws:
    
    IllegalArgumentException - if the endian type is unknown