<s>
Apama	B-General_Concept
is	O
a	O
complex	B-Operating_System
event	I-Operating_System
processing	I-Operating_System
(	O
CEP	O
)	O
and	O
event	B-Application
stream	I-Application
processing	I-Application
(	O
ESP	O
)	O
engine	O
,	O
developed	O
by	O
Software	O
AG	O
.	O
</s>
<s>
Apama	B-General_Concept
serves	O
as	O
a	O
platform	O
for	O
performing	O
streaming	O
analytics	O
over	O
a	O
range	O
of	O
high	O
volume/low	O
latency	O
inputs	O
and	O
applications	O
,	O
such	O
as	O
IoT	B-Operating_System
devices	O
,	O
financial	O
exchanges	O
,	O
fraud	O
detection	O
,	O
social	O
media	O
and	O
similar	O
.	O
</s>
<s>
Users	O
can	O
define	O
data	O
patterns	O
to	O
listen	O
for	O
and	O
actions	O
to	O
take	O
when	O
these	O
patterns	O
are	O
found	O
,	O
which	O
are	O
defined	O
in	O
the	O
provided	O
domain-specific	B-Language
language	I-Language
called	O
the	O
Event	B-Operating_System
Processing	I-Operating_System
Language	O
(	O
EPL	O
)	O
.	O
</s>
<s>
The	O
core	O
Apama	B-General_Concept
engine	O
is	O
written	O
in	O
C++	B-Language
;	O
the	O
process	O
can	O
also	O
optionally	O
contain	O
a	O
JVM	O
for	O
interacting	O
with	O
user	O
created	O
Java	B-Language
code	I-Language
.	O
</s>
<s>
Apama	B-General_Concept
focuses	O
on	O
high	O
throughput	O
,	O
low	O
latency	O
and	O
memory	O
efficient	O
performance	O
;	O
used	O
in	O
both	O
Intel	O
benchmarks	O
and	O
smaller	O
machines	O
such	O
as	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
,	O
routers	O
and	O
other	O
Edge/IoT	O
devices	O
.	O
</s>
<s>
Apama	B-General_Concept
Ltd	O
.	O
was	O
founded	O
in	O
1999	O
by	O
Dr	O
John	O
Bates	O
,	O
Dr	O
Giles	O
Nelson	O
and	O
Dr	O
Mohamad	O
Afshar	O
,	O
who	O
met	O
while	O
undertaking	O
research	O
at	O
the	O
Cambridge	O
University	O
Department	O
of	O
Computer	O
Science	O
and	O
Technology	O
.	O
</s>
<s>
In	O
2005	O
,	O
Apama	B-General_Concept
Limited	O
was	O
acquired	O
by	O
Progress	O
Software	O
for	O
$25	O
million	O
.	O
</s>
<s>
In	O
2013	O
,	O
Apama	B-General_Concept
was	O
acquired	O
by	O
Software	O
AG	O
from	O
Progress	O
for	O
an	O
undisclosed	O
amount	O
.	O
</s>
<s>
In	O
2016	O
,	O
a	O
freemium	O
version	O
,	O
Apama	B-General_Concept
Community	O
Edition	O
,	O
was	O
released	O
,	O
alongside	O
supporting	O
forums	O
and	O
GitHub	B-Application
spaces	O
.	O
</s>
<s>
Applications	O
for	O
Apama	B-General_Concept
are	O
authored	O
in	O
the	O
Event	B-Operating_System
Processing	I-Operating_System
Language	O
(	O
EPL	O
)	O
.	O
</s>
<s>
EPL	O
contains	O
language	O
features	O
designed	O
purely	O
for	O
Event	B-Application
Driven	I-Application
Programming	I-Application
,	O
including	O
:	O
</s>
<s>
The	O
EPL	O
C++	B-Language
/Java	O
-like	O
syntax	O
is	O
designed	O
to	O
create	O
CEP	O
applications	O
succinctly	O
in	O
conjunction	O
with	O
the	O
above	O
features	O
,	O
an	O
example	O
of	O
which	O
can	O
be	O
found	O
below	O
:	O
</s>
<s>
Apama	B-General_Concept
Queries	O
is	O
an	O
alternate	O
language	O
for	O
creating	O
rules	O
over	O
defined	O
data	O
sets	O
,	O
such	O
as	O
the	O
past	O
five	O
minutes	O
of	O
received	O
data	O
or	O
past	O
twenty	O
events	O
received	O
,	O
in	O
an	O
automatically	O
multi-threaded	O
environment	O
that	O
scales	O
across	O
machines	O
.	O
</s>
<s>
Apama	B-General_Concept
Queries	O
are	O
better	O
suited	O
for	O
monitoring	O
very	O
large	O
sets	O
,	O
such	O
as	O
bank	O
transactions	O
.	O
</s>
<s>
The	O
Software	O
AG	O
Designer	O
is	O
an	O
Eclipse	B-Application
based	O
IDE	B-Application
with	O
special	O
support	O
for	O
developing	O
and	O
deploying	O
Apama	B-General_Concept
applications	O
,	O
which	O
is	O
included	O
in	O
a	O
standard	O
installation	O
.	O
</s>
<s>
Apama	B-General_Concept
supports	O
the	O
ability	O
for	O
users	O
to	O
create	O
plugins	O
to	O
extend	O
capability	O
.	O
</s>
<s>
These	O
plugins	O
come	O
in	O
two	O
forms	O
,	O
EPL	O
plugins	O
(	O
to	B-Application
add	I-Application
features	I-Application
to	I-Application
EPL	I-Application
)	O
and	O
Connectivity	O
plugins	O
(	O
for	O
communicating	O
with	O
the	O
outside	O
world	O
)	O
.	O
</s>
<s>
C++	B-Language
and	O
Java	B-Language
APIs	O
are	O
available	O
for	O
both	O
plugin	O
types	O
.	O
</s>
<s>
Connectivity	O
plugins	O
come	O
in	O
two	O
forms	O
,	O
codecs	O
(	O
which	O
translate	O
data	O
from	O
one	O
format	O
to	O
another	O
,	O
such	O
as	O
the	O
internal	O
Apama	B-General_Concept
representation	O
to	O
JSON	B-General_Concept
)	O
and	O
transports	O
(	O
which	O
handle	O
sending/receiving	O
to/from	O
external	O
systems	O
,	O
such	O
as	O
JMS	B-Language
)	O
.	O
</s>
<s>
Connections	O
to	O
external	O
systems	O
are	O
made	O
by	O
composing	O
chains	O
of	O
codecs	O
and	O
one	O
transport	O
to	O
achieve	O
the	O
desired	O
topology	O
;	O
these	O
connections	O
are	O
defined	O
by	O
a	O
YAML	B-Protocol
configuration	O
file	O
at	O
start-up	O
or	O
through	O
dynamic	O
management	O
with	O
the	O
provided	O
tools	O
.	O
</s>
<s>
R	B-Language
,	O
MQTT	B-Application
,	O
Kafka	B-Language
,	O
HTTP	B-Protocol
,	O
MatLab	B-Language
)	O
as	O
well	O
as	O
connectivity	O
to	O
other	O
Software	O
AG	O
products	O
(	O
e.g.	O
</s>
<s>
Universal	O
Messaging	O
,	O
Terracotta	O
,	O
Cumulocity	O
)	O
are	O
shipped	O
with	O
Apama	B-General_Concept
installations	O
.	O
</s>
<s>
The	O
Apama	B-General_Concept
process	O
is	O
entirely	O
in	O
memory	O
and	O
supports	O
an	O
optional	O
SQLite	B-Language
based	O
in-built	O
persistence	O
system	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
connectivity	O
API	O
supports	O
reliable	O
messaging	O
to	O
systems	O
that	O
support	O
it	O
,	O
such	O
as	O
JMS	B-Language
.	O
</s>
<s>
Apama	B-General_Concept
provides	O
an	O
in-built	O
dashboarding	B-Protocol
technology	O
developed	O
from	O
within	O
the	O
Software	O
AG	O
Designer	O
,	O
as	O
well	O
as	O
native	O
connections	O
to	O
Software	O
AG	O
's	O
MashZone	O
NextGen	O
.	O
</s>
