Class QdbInteger
A signed 64-bit integer in the database.
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QdbEntry
-
QdbExpirableEntry
-
QdbInteger
Example:
You get a QdbInteger instance by calling QdbCluster::integer().
Then you can perform atomic operations on the integer:
$cluster->integer('key 0')->put(1);
$cluster->integer('key 1')->update(2);
$value2 = $cluster->integer('key 2')->get();
Methods summary
public
integer
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#
add( integer $value )
Atomically increment the value in the database.
Atomically increment the value in the database.
Parameters
- $value
- The value to add to the integer.
Returns
integer
The new value (i.e. after the addition) of the integer.
Throws
Example
$total = $cluster->integer('alias')->add(42);
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public
integer
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#
get( )
Reads the integer's value.
Reads the integer's value.
Returns
integer
The value of the integer.
Throws
Example
$value = $cluster->integer('alias')->get();
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public
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#
put( integer $value, integer $expiry_time = 0 )
Creates the integer, fails if it already exists.
Creates the integer, fails if it already exists.
Parameters
- $value
- The initial value of the integer.
- $expiry_time
- The absolute expiration time, in seconds since epoch (
0 means "never expires").
Throws
Example
$cluster->integer('alias')->put(42);
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public
boolean
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#
update( integer $value, integer $expiry_time = 0 )
Sets the integer's value. Creates the integer if needed.
Sets the integer's value. Creates the integer if needed.
Parameters
- $value
- The new value of the integer.
- $expiry_time
- The absolute expiration time, in seconds since epoch (
0 means "never expires").
Returns
boolean
true if the integer was created; false if it was updated.
Throws
Example
$cluster->integer('alias')->update(42);
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