IGNITE-14595 Implement ExpiryPolicy support - Fixes #35.

README.md

@@ -3,9 +3,9 @@ Apache Ignite thin (binary protocol) client, written in Python 3.
 
 ## Prerequisites
 
-- Python 3.4 or above (3.6, 3.7 and 3.8 are tested),
+- Python 3.6 or above (3.6, 3.7, 3.8 and 3.9 are tested),
 - Access to Apache Ignite node, local or remote. The current thin client
-  version was tested on Apache Ignite 2.7.0 (binary client protocol 1.2.0).
+  version was tested on Apache Ignite 2.10 (binary client protocol 1.7.0).
 
 ## Installation
 

docs/async_examples.rst

@@ -48,14 +48,39 @@ that yields the resulting rows.
 
 .. literalinclude:: ../examples/async_key_value.py
   :language: python
-  :dedent: 4
+  :dedent: 8
   :lines: 39-50
 
+ExpiryPolicy
+============
+File: `expiry_policy.py`_.
 
-File: `async_sql.py`_.
+You can enable expiry policy (TTL) by two approaches.
+
+Firstly, expiry policy can be set for entire cache by setting :py:attr:`~pyignite.datatypes.prop_codes.PROP_EXPIRY_POLICY`
+in cache settings dictionary on creation.
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 72-75
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 81-89
+
+Secondly, expiry policy can be set for all cache operations, which are done under decorator. To create it use
+:py:meth:`~pyignite.cache.BaseCache.with_expire_policy`
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 96-105
 
 SQL
 ---
+File: `async_sql.py`_.
 
 First let us establish a connection.
 
@@ -146,6 +171,6 @@ Finally, delete the tables used in this example with the following queries:
 
 
 
-
+.. _expiry_policy.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/expiry_policy.py
 .. _async_key_value.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/async_key_value.py
 .. _async_sql.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/async_sql.py

docs/examples.rst

@@ -85,6 +85,33 @@ As a rule of thumb:
 Refer the :ref:`data_types` section for the full list
 of parser/constructor classes you can use as type hints.
 
+ExpiryPolicy
+============
+File: `expiry_policy.py`_.
+
+You can enable expiry policy (TTL) by two approaches.
+
+Firstly, expiry policy can be set for entire cache by setting :py:attr:`~pyignite.datatypes.prop_codes.PROP_EXPIRY_POLICY`
+in cache settings dictionary on creation.
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 31-34
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 40-46
+
+Secondly, expiry policy can be set for all cache operations, which are done under decorator. To create it use
+:py:meth:`~pyignite.cache.BaseCache.with_expire_policy`
+
+.. literalinclude:: ../examples/expiry_policy.py
+  :language: python
+  :dedent: 12
+  :lines: 53-60
+
 Scan
 ====
 File: `scans.py`_.
@@ -558,13 +585,13 @@ Gather 3 Ignite nodes on `localhost` into one cluster and run:
 
 .. literalinclude:: ../examples/failover.py
   :language: python
-  :lines: 16-53
+  :lines: 16-52
 
 Then try shutting down and restarting nodes, and see what happens.
 
 .. literalinclude:: ../examples/failover.py
   :language: python
-  :lines: 55-67
+  :lines: 54-66
 
 Client reconnection do not require an explicit user action, like calling
 a special method or resetting a parameter.
@@ -683,6 +710,7 @@ with the following message:
 .. _type_hints.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/type_hints.py
 .. _failover.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/failover.py
 .. _scans.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/scans.py
+.. _expiry_policy.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/expiry_policy.py
 .. _sql.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/sql.py
 .. _async_sql.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/async_sql.py
 .. _binary_basics.py: https://github.com/apache/ignite-python-thin-client/blob/master/examples/binary_basics.py

docs/source/pyignite.aio_cluster.rst

@@ -0,0 +1,22 @@
+..  Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+..      http://www.apache.org/licenses/LICENSE-2.0
+
+..  Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+pyignite.aio_cluster module
+===========================
+
+.. automodule:: pyignite.aio_cluster
+    :members:
+    :undoc-members:
+    :show-inheritance:

docs/source/pyignite.cluster.rst

@@ -0,0 +1,22 @@
+..  Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+..      http://www.apache.org/licenses/LICENSE-2.0
+
+..  Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+pyignite.cluster module
+=======================
+
+.. automodule:: pyignite.cluster
+    :members:
+    :undoc-members:
+    :show-inheritance:

docs/source/pyignite.datatypes.cluster_state.rst

@@ -0,0 +1,21 @@
+..  Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+..      http://www.apache.org/licenses/LICENSE-2.0
+
+..  Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+pyignite.datatypes.cluster_state module
+=======================================
+
+.. automodule:: pyignite.datatypes.cluster_state
+    :members:
+    :show-inheritance:

docs/source/pyignite.datatypes.expiry_policy.rst

@@ -0,0 +1,21 @@
+..  Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+..      http://www.apache.org/licenses/LICENSE-2.0
+
+..  Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+pyignite.datatypes.expiry_policy module
+=======================================
+
+.. automodule:: pyignite.datatypes.expiry_policy
+    :members:
+    :show-inheritance:

docs/source/pyignite.datatypes.rst

@@ -31,6 +31,8 @@ Submodules
    pyignite.datatypes.cache_config
    pyignite.datatypes.cache_properties
    pyignite.datatypes.complex
+   pyignite.datatypes.cluster_state
+   pyignite.datatypes.expiry_policy
    pyignite.datatypes.internal
    pyignite.datatypes.key_value
    pyignite.datatypes.null_object
@@ -39,4 +41,3 @@ Submodules
    pyignite.datatypes.primitive_objects
    pyignite.datatypes.sql
    pyignite.datatypes.standard
-

docs/source/pyignite.rst

@@ -39,7 +39,8 @@ Submodules
     pyignite.aio_cache
     pyignite.client
     pyignite.aio_client
-    pyignite.constants
+    pyignite.cluster
+    pyignite.aio_cluster
     pyignite.cursors
     pyignite.exceptions
 

examples/expiry_policy.py

@@ -0,0 +1,113 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import asyncio
+import time
+
+from pyignite import Client, AioClient
+from pyignite.datatypes import ExpiryPolicy
+from pyignite.datatypes.prop_codes import PROP_NAME, PROP_EXPIRY_POLICY
+from pyignite.exceptions import NotSupportedByClusterError
+
+
+def main():
+    print("Running sync ExpiryPolicy example.")
+
+    client = Client()
+    with client.connect('127.0.0.1', 10800):
+        print("Create cache with expiry policy.")
+        try:
+            ttl_cache = client.create_cache({
+                PROP_NAME: 'test',
+                PROP_EXPIRY_POLICY: ExpiryPolicy(create=1.0)
+            })
+        except NotSupportedByClusterError:
+            print("'ExpiryPolicy' API is not supported by cluster. Finishing...")
+            return
+
+        try:
+            ttl_cache.put(1, 1)
+            time.sleep(0.5)
+            print(f"key = {1}, value = {ttl_cache.get(1)}")
+            # key = 1, value = 1
+            time.sleep(1.2)
+            print(f"key = {1}, value = {ttl_cache.get(1)}")
+            # key = 1, value = None
+        finally:
+            ttl_cache.destroy()
+
+        print("Create simple Cache and set TTL through `with_expire_policy`")
+        simple_cache = client.create_cache('test')
+        try:
+            ttl_cache = simple_cache.with_expire_policy(access=1.0)
+            ttl_cache.put(1, 1)
+            time.sleep(0.5)
+            print(f"key = {1}, value = {ttl_cache.get(1)}")
+            # key = 1, value = 1
+            time.sleep(1.7)
+            print(f"key = {1}, value = {ttl_cache.get(1)}")
+            # key = 1, value = None
+        finally:
+            simple_cache.destroy()
+
+
+async def async_main():
+    print("Running async ExpiryPolicy example.")
+
+    client = AioClient()
+    async with client.connect('127.0.0.1', 10800):
+        print("Create cache with expiry policy.")
+        try:
+            ttl_cache = await client.create_cache({
+                PROP_NAME: 'test',
+                PROP_EXPIRY_POLICY: ExpiryPolicy(create=1.0)
+            })
+        except NotSupportedByClusterError:
+            print("'ExpiryPolicy' API is not supported by cluster. Finishing...")
+            return
+
+        try:
+            await ttl_cache.put(1, 1)
+            await asyncio.sleep(0.5)
+            value = await ttl_cache.get(1)
+            print(f"key = {1}, value = {value}")
+            # key = 1, value = 1
+            await asyncio.sleep(1.2)
+            value = await ttl_cache.get(1)
+            print(f"key = {1}, value = {value}")
+            # key = 1, value = None
+        finally:
+            await ttl_cache.destroy()
+
+        print("Create simple Cache and set TTL through `with_expire_policy`")
+        simple_cache = await client.create_cache('test')
+        try:
+            ttl_cache = simple_cache.with_expire_policy(access=1.0)
+            await ttl_cache.put(1, 1)
+            await asyncio.sleep(0.5)
+            value = await ttl_cache.get(1)
+            print(f"key = {1}, value = {value}")
+            # key = 1, value = 1
+            await asyncio.sleep(1.7)
+            value = await ttl_cache.get(1)
+            print(f"key = {1}, value = {value}")
+            # key = 1, value = None
+        finally:
+            await simple_cache.destroy()
+
+if __name__ == '__main__':
+    main()
+
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(async_main())