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Address translator support and configuration related documentation (#12)
* support for record to table mapping config * some minor bug fixes * error handling and ssl config support * some typo mistake fix * support for address translator * documentation changes for new configs * resolved review comments * renamed ComposeAddressTranslator to ClusterAddressTranslator * addressed review comments
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src/main/java/io/connect/scylladb/ClusterAddressTranslator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| // Copyright (c) 2016 Compose, an IBM company | ||
| // | ||
| // MIT License | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining | ||
| // a copy of this software and associated documentation files (the | ||
| // "Software"), to deal in the Software without restriction, including | ||
| // without limitation the rights to use, copy, modify, merge, publish, | ||
| // distribute, sublicense, and/or sell copies of the Software, and to | ||
| // permit persons to whom the Software is furnished to do so, subject to | ||
| // the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be | ||
| // included in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
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| package io.connect.scylladb; | ||
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| import com.datastax.driver.core.Cluster; | ||
| import com.datastax.driver.core.policies.AddressTranslator; | ||
| import java.net.InetSocketAddress; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Iterator; | ||
| import java.util.Map; | ||
| import org.json.*; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| class ClusterAddressTranslator implements AddressTranslator { | ||
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| public Map<InetSocketAddress, InetSocketAddress> addressMap = new HashMap<>(); | ||
| private static final Logger log = LoggerFactory.getLogger(ClusterAddressTranslator.class); | ||
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| @Override | ||
| public void init(Cluster cluster) { | ||
| } | ||
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| public void setMap(String addressMapString) { | ||
| JSONObject jsonmap; | ||
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| if (addressMapString.charAt(0) == '[') { | ||
| JSONArray jsonarray = new JSONArray(addressMapString); | ||
| log.trace("Address translation map: " + jsonarray.toString()); | ||
| Iterator jai = jsonarray.iterator(); | ||
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| while (jai.hasNext()) { | ||
| JSONObject element = (JSONObject) jai.next(); | ||
| Iterator subpart = element.keys(); | ||
| String internal = (String) subpart.next(); | ||
| String external = element.getString(internal); | ||
| addAddresses(internal, external); | ||
| } | ||
| } else { | ||
| jsonmap = new JSONObject(addressMapString); | ||
| Iterator keys = jsonmap.keys(); | ||
| while (keys.hasNext()) { | ||
| String internal = (String) keys.next(); | ||
| String external = (String) jsonmap.getString(internal); | ||
| addAddresses(internal, external); | ||
| } | ||
| } | ||
| } | ||
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| public void addAddresses(String internal, String external) { | ||
| String[] internalhostport = internal.split(":"); | ||
| String[] externalhostport = external.split(":"); | ||
| InetSocketAddress internaladdress = new InetSocketAddress(internalhostport[0], Integer.parseInt(internalhostport[1])); | ||
| InetSocketAddress externaladdress = new InetSocketAddress(externalhostport[0], Integer.parseInt(externalhostport[1])); | ||
| addressMap.put(internaladdress, externaladdress); | ||
| } | ||
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| public Collection<InetSocketAddress> getContactPoints() { | ||
| return Collections.unmodifiableCollection(addressMap.values()); | ||
| } | ||
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| @Override | ||
| public InetSocketAddress translate(final InetSocketAddress inetSocketAddress) { | ||
| return addressMap.getOrDefault(inetSocketAddress, inetSocketAddress); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| } | ||
| } |
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