Slices (slice 0.39 API)

java.lang.Object
- io.airlift.slice.Slices

public final class Slices
extends Object

Field Summary

Fields
Modifier and Type Field Description

static Slice EMPTY_SLICE
A slice with size 0.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Slice`	`allocate(int capacity)`
`static Slice`	`allocateDirect(int capacity)`
`static Slice`	`copiedBuffer(String string, Charset charset)`
`static Slice`	`copyOf(Slice slice)`
`static Slice`	`copyOf(Slice slice, int offset, int length)`
`static Slice`	`ensureSize(Slice existingSlice, int minWritableBytes)`
`static Slice`	`mapFileReadOnly(File file)`
`static Slice`	`utf8Slice(String string)`
`static Slice`	`wrappedBooleanArray(boolean... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedBooleanArray(boolean[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedBuffer(byte... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedBuffer(byte[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedBuffer(ByteBuffer buffer)`	Wrap the visible portion of a `ByteBuffer`.
`static Slice`	`wrappedDoubleArray(double... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedDoubleArray(double[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedFloatArray(float... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedFloatArray(float[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedIntArray(int... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedIntArray(int[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedLongArray(long... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedLongArray(long[] array, int offset, int length)`	Creates a slice over the specified array range.
`static Slice`	`wrappedShortArray(short... array)`	Creates a slice over the specified array.
`static Slice`	`wrappedShortArray(short[] array, int offset, int length)`	Creates a slice over the specified array range.

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

Field Detail
- EMPTY_SLICE
```
public static final Slice EMPTY_SLICE
```
  A slice with size 0.

Method Detail

ensureSize

public static Slice ensureSize(Slice existingSlice,
                               int minWritableBytes)

allocate

public static Slice allocate(int capacity)

allocateDirect

public static Slice allocateDirect(int capacity)

copyOf

public static Slice copyOf(Slice slice)

copyOf

public static Slice copyOf(Slice slice,
                           int offset,
                           int length)

wrappedBuffer

public static Slice wrappedBuffer(ByteBuffer buffer)

Wrap the visible portion of a ByteBuffer.

wrappedBuffer

public static Slice wrappedBuffer(byte... array)

Creates a slice over the specified array.

wrappedBuffer
```
public static Slice wrappedBuffer(byte[] array,
                                  int offset,
                                  int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedBooleanArray

public static Slice wrappedBooleanArray(boolean... array)

Creates a slice over the specified array.

wrappedBooleanArray
```
public static Slice wrappedBooleanArray(boolean[] array,
                                        int offset,
                                        int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedShortArray

public static Slice wrappedShortArray(short... array)

Creates a slice over the specified array.

wrappedShortArray
```
public static Slice wrappedShortArray(short[] array,
                                      int offset,
                                      int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedIntArray

public static Slice wrappedIntArray(int... array)

Creates a slice over the specified array.

wrappedIntArray
```
public static Slice wrappedIntArray(int[] array,
                                    int offset,
                                    int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedLongArray

public static Slice wrappedLongArray(long... array)

Creates a slice over the specified array.

wrappedLongArray
```
public static Slice wrappedLongArray(long[] array,
                                     int offset,
                                     int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedFloatArray

public static Slice wrappedFloatArray(float... array)

Creates a slice over the specified array.

wrappedFloatArray
```
public static Slice wrappedFloatArray(float[] array,
                                      int offset,
                                      int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

wrappedDoubleArray

public static Slice wrappedDoubleArray(double... array)

Creates a slice over the specified array.

wrappedDoubleArray
```
public static Slice wrappedDoubleArray(double[] array,
                                       int offset,
                                       int length)
```
Creates a slice over the specified array range.

Parameters:

offset - the array position at which the slice begins

length - the number of array positions to include in the slice

copiedBuffer

public static Slice copiedBuffer(String string,
                                 Charset charset)

utf8Slice

public static Slice utf8Slice(String string)

mapFileReadOnly

public static Slice mapFileReadOnly(File file)
                             throws IOException

Throws:: IOException