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panjuan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git
The following commit(s) were added to refs/heads/master by this push:
new 582676d Use SPI to config property keys for converting sharding
algorithm in RDL (#7996)
582676d is described below
commit 582676d00f04142bcdc19e94ee4850f97e4e7a97
Author: Liang Zhang <[email protected]>
AuthorDate: Sat Oct 31 22:59:23 2020 +0800
Use SPI to config property keys for converting sharding algorithm in RDL
(#7996)
* Add ShardingSphereAlgorithmPropertiesAware
* Use SPI to config property keys for converting sharding algorithm in RDL
* Fix test case
---
.../api/sharding/ShardingAutoTableAlgorithm.java | 7 ++-
.../datetime/AutoIntervalShardingAlgorithm.java | 6 ++
.../sharding/mod/HashModShardingAlgorithm.java | 6 ++
.../sharding/mod/ModShardingAlgorithm.java | 6 ++
.../range/BoundaryBasedRangeShardingAlgorithm.java | 8 +++
.../range/VolumeBasedRangeShardingAlgorithm.java | 7 +++
...reateShardingRuleStatementContextConverter.java | 34 +++++++++--
...eShardingRuleStatementContextConverterTest.java | 3 +
.../rdl/CreateShardingRuleStatementContext.java | 14 -----
.../rdl/util/ShardingAlgorithmPropertiesUtil.java | 71 ----------------------
.../ShardingSphereAlgorithmPropertiesAware.java | 19 +++---
11 files changed, 80 insertions(+), 101 deletions(-)
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
index 6fa8015..99df540 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
@@ -17,12 +17,13 @@
package org.apache.shardingsphere.sharding.api.sharding;
+import
org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmPropertiesAware;
+
/**
* Sharding auto table algorithm.
- *
*/
-public interface ShardingAutoTableAlgorithm {
-
+public interface ShardingAutoTableAlgorithm extends
ShardingSphereAlgorithmPropertiesAware {
+
/**
* Get auto tables amount.
*
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/datetime/AutoIntervalShardingAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/datetime/AutoIntervalShardingAlgorithm.java
index 873dd75..35e0ae6 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/datetime/AutoIntervalShardingAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/datetime/AutoIntervalShardingAlgorithm.java
@@ -32,6 +32,7 @@ import java.time.Duration;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
+import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Properties;
@@ -131,4 +132,9 @@ public final class AutoIntervalShardingAlgorithm implements
StandardShardingAlgo
public String getType() {
return "AUTO_INTERVAL";
}
+
+ @Override
+ public Collection<String> getAllPropertyKeys() {
+ return Arrays.asList(DATE_TIME_LOWER_KEY, DATE_TIME_UPPER_KEY,
SHARDING_SECONDS_KEY);
+ }
}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/HashModShardingAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/HashModShardingAlgorithm.java
index 5557998..6162928 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/HashModShardingAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/HashModShardingAlgorithm.java
@@ -26,6 +26,7 @@ import
org.apache.shardingsphere.sharding.api.sharding.standard.RangeShardingVal
import
org.apache.shardingsphere.sharding.api.sharding.standard.StandardShardingAlgorithm;
import java.util.Collection;
+import java.util.Collections;
import java.util.Properties;
/**
@@ -79,4 +80,9 @@ public final class HashModShardingAlgorithm implements
StandardShardingAlgorithm
public String getType() {
return "HASH_MOD";
}
+
+ @Override
+ public Collection<String> getAllPropertyKeys() {
+ return Collections.singletonList(SHARDING_COUNT_KEY);
+ }
}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/ModShardingAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/ModShardingAlgorithm.java
index 19f23ff..c181c9a 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/ModShardingAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/mod/ModShardingAlgorithm.java
@@ -26,6 +26,7 @@ import
org.apache.shardingsphere.sharding.api.sharding.standard.RangeShardingVal
import
org.apache.shardingsphere.sharding.api.sharding.standard.StandardShardingAlgorithm;
import java.util.Collection;
+import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Properties;
@@ -97,4 +98,9 @@ public final class ModShardingAlgorithm implements
StandardShardingAlgorithm<Com
public String getType() {
return "MOD";
}
+
+ @Override
+ public Collection<String> getAllPropertyKeys() {
+ return Collections.singletonList(SHARDING_COUNT_KEY);
+ }
}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/BoundaryBasedRangeShardingAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/BoundaryBasedRangeShardingAlgorithm.java
index 6faf85c..839582c 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/BoundaryBasedRangeShardingAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/BoundaryBasedRangeShardingAlgorithm.java
@@ -23,6 +23,9 @@ import com.google.common.collect.Maps;
import com.google.common.collect.Range;
import com.google.common.primitives.Longs;
import org.apache.commons.collections4.CollectionUtils;
+
+import java.util.Collection;
+import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@@ -62,4 +65,9 @@ public final class BoundaryBasedRangeShardingAlgorithm
extends AbstractRangeShar
public String getType() {
return "BOUNDARY_RANGE";
}
+
+ @Override
+ public Collection<String> getAllPropertyKeys() {
+ return Collections.singletonList(SHARDING_RANGES_KEY);
+ }
}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/VolumeBasedRangeShardingAlgorithm.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/VolumeBasedRangeShardingAlgorithm.java
index 6871da2..713e8ac 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/VolumeBasedRangeShardingAlgorithm.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/algorithm/sharding/range/VolumeBasedRangeShardingAlgorithm.java
@@ -23,6 +23,8 @@ import com.google.common.collect.Range;
import com.google.common.math.LongMath;
import java.math.RoundingMode;
+import java.util.Arrays;
+import java.util.Collection;
import java.util.Map;
import java.util.Properties;
@@ -60,4 +62,9 @@ public final class VolumeBasedRangeShardingAlgorithm extends
AbstractRangeShardi
public String getType() {
return "VOLUME_RANGE";
}
+
+ @Override
+ public Collection<String> getAllPropertyKeys() {
+ return Arrays.asList(RANGE_LOWER_KEY, RANGE_UPPER_KEY,
SHARDING_VOLUME_KEY);
+ }
}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverter.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverter.java
index 905ecea..52a32d9 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverter.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverter.java
@@ -18,15 +18,23 @@
package org.apache.shardingsphere.sharding.converter;
import com.google.common.base.Joiner;
-import
org.apache.shardingsphere.infra.yaml.config.algorithm.YamlShardingSphereAlgorithmConfiguration;
-import
org.apache.shardingsphere.infra.binder.statement.rdl.CreateShardingRuleStatementContext;
-import
org.apache.shardingsphere.infra.binder.converter.SQLStatementContextConverter;
+import com.google.common.base.Preconditions;
import org.apache.shardingsphere.distsql.parser.statement.rdl.TableRuleSegment;
+import
org.apache.shardingsphere.infra.binder.converter.SQLStatementContextConverter;
+import
org.apache.shardingsphere.infra.binder.statement.rdl.CreateShardingRuleStatementContext;
+import
org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmPropertiesAware;
+import org.apache.shardingsphere.infra.spi.ShardingSphereServiceLoader;
+import
org.apache.shardingsphere.infra.yaml.config.algorithm.YamlShardingSphereAlgorithmConfiguration;
+import
org.apache.shardingsphere.sharding.api.sharding.ShardingAutoTableAlgorithm;
+import org.apache.shardingsphere.sharding.spi.ShardingAlgorithm;
import
org.apache.shardingsphere.sharding.yaml.config.YamlShardingRuleConfiguration;
import
org.apache.shardingsphere.sharding.yaml.config.rule.YamlShardingAutoTableRuleConfiguration;
import
org.apache.shardingsphere.sharding.yaml.config.strategy.sharding.YamlShardingStrategyConfiguration;
import
org.apache.shardingsphere.sharding.yaml.config.strategy.sharding.YamlStandardShardingStrategyConfiguration;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
import java.util.Properties;
/**
@@ -39,7 +47,7 @@ public final class
CreateShardingRuleStatementContextConverter implements SQLSta
YamlShardingRuleConfiguration result = new
YamlShardingRuleConfiguration();
for (TableRuleSegment each :
sqlStatementContext.getSqlStatement().getTables()) {
result.getShardingAlgorithms().put(getAlgorithmName(each.getLogicTable(),
each.getAlgorithmType()),
- createAlgorithmConfiguration(each,
sqlStatementContext.getAlgorithmProperties(each)));
+ createAlgorithmConfiguration(each,
getAlgorithmProperties(each.getAlgorithmType(), each.getProperties())));
result.getAutoTables().put(each.getLogicTable(),
createAutoTableRuleConfiguration(each));
}
return result;
@@ -52,6 +60,24 @@ public final class
CreateShardingRuleStatementContextConverter implements SQLSta
return result;
}
+ private Properties getAlgorithmProperties(final String type, final
Collection<String> propertyValues) {
+ Collection<String> propertyKeys = findAlgorithmPropertyKeys(type);
+ Preconditions.checkArgument(propertyKeys.size() ==
propertyValues.size(), "%s needs %d properties, but %s properties are given.",
type, propertyKeys.size(), propertyValues.size());
+ Properties result = new Properties();
+ Iterator<String> keys = propertyKeys.iterator();
+ Iterator<String> values = propertyValues.iterator();
+ while (keys.hasNext()) {
+ result.setProperty(keys.next(), values.next());
+ }
+ return result;
+ }
+
+ private Collection<String> findAlgorithmPropertyKeys(final String
algorithmType) {
+ return
ShardingSphereServiceLoader.newServiceInstances(ShardingAlgorithm.class).stream()
+ .filter(each -> each instanceof ShardingAutoTableAlgorithm &&
each.getType().equals(algorithmType)).findFirst()
+ .map(each -> ((ShardingSphereAlgorithmPropertiesAware)
each).getAllPropertyKeys()).orElse(Collections.emptyList());
+ }
+
private YamlShardingAutoTableRuleConfiguration
createAutoTableRuleConfiguration(final TableRuleSegment segment) {
YamlShardingAutoTableRuleConfiguration result = new
YamlShardingAutoTableRuleConfiguration();
result.setLogicTable(segment.getLogicTable());
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverterTest.java
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverterTest.java
index 59a034a..39362d7 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverterTest.java
+++
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/converter/CreateShardingRuleStatementContextConverterTest.java
@@ -20,6 +20,8 @@ package org.apache.shardingsphere.sharding.converter;
import
org.apache.shardingsphere.infra.binder.statement.rdl.CreateShardingRuleStatementContext;
import
org.apache.shardingsphere.distsql.parser.statement.rdl.CreateShardingRuleStatement;
import org.apache.shardingsphere.distsql.parser.statement.rdl.TableRuleSegment;
+import org.apache.shardingsphere.infra.spi.ShardingSphereServiceLoader;
+import org.apache.shardingsphere.sharding.spi.ShardingAlgorithm;
import
org.apache.shardingsphere.sharding.yaml.config.YamlShardingRuleConfiguration;
import org.junit.Before;
import org.junit.Test;
@@ -39,6 +41,7 @@ public final class
CreateShardingRuleStatementContextConverterTest {
@Before
public void setUp() {
+ ShardingSphereServiceLoader.register(ShardingAlgorithm.class);
segment = new TableRuleSegment();
segment.setLogicTable("t_order");
segment.setDataSources(Arrays.asList("ds0", "ds1"));
diff --git
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/CreateShardingRuleStatementContext.java
b/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/CreateShardingRuleStatementContext.java
index a86a35a..b88e676 100644
---
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/CreateShardingRuleStatementContext.java
+++
b/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/CreateShardingRuleStatementContext.java
@@ -18,11 +18,7 @@
package org.apache.shardingsphere.infra.binder.statement.rdl;
import
org.apache.shardingsphere.distsql.parser.statement.rdl.CreateShardingRuleStatement;
-import org.apache.shardingsphere.distsql.parser.statement.rdl.TableRuleSegment;
import
org.apache.shardingsphere.infra.binder.statement.CommonSQLStatementContext;
-import
org.apache.shardingsphere.infra.binder.statement.rdl.util.ShardingAlgorithmPropertiesUtil;
-
-import java.util.Properties;
/**
* Create sharding rule statement context.
@@ -32,14 +28,4 @@ public final class CreateShardingRuleStatementContext
extends CommonSQLStatement
public CreateShardingRuleStatementContext(final
CreateShardingRuleStatement sqlStatement) {
super(sqlStatement);
}
-
- /**
- * Get algorithm properties.
- *
- * @param segment segment
- * @return algorithm properties
- */
- public Properties getAlgorithmProperties(final TableRuleSegment segment) {
- return
ShardingAlgorithmPropertiesUtil.getProperties(segment.getAlgorithmType(),
segment.getProperties());
- }
}
diff --git
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/util/ShardingAlgorithmPropertiesUtil.java
b/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/util/ShardingAlgorithmPropertiesUtil.java
deleted file mode 100644
index 878f56a..0000000
---
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/rdl/util/ShardingAlgorithmPropertiesUtil.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.shardingsphere.infra.binder.statement.rdl.util;
-
-import com.google.common.base.Preconditions;
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
-
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Properties;
-
-/**
- * Sharding algorithm properties util.
- */
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-public final class ShardingAlgorithmPropertiesUtil {
-
- private static final Map<String, Collection<String>> TYPE_PROPERTIES_MAP;
-
- static {
- TYPE_PROPERTIES_MAP = new LinkedHashMap<>(4, 1);
- TYPE_PROPERTIES_MAP.put("MOD",
Collections.singleton("sharding-count"));
- TYPE_PROPERTIES_MAP.put("HASH_MOD",
Collections.singleton("sharding-count"));
- TYPE_PROPERTIES_MAP.put("VOLUME_RANGE", Arrays.asList("range-lower",
"range-upper", "sharding-volume"));
- TYPE_PROPERTIES_MAP.put("BOUNDARY_RANGE",
Collections.singleton("sharding-ranges"));
- }
-
- /**
- * Get properties.
- *
- * @param algorithmType sharding algorithm type
- * @param algorithmProperties sharding algorithm properties
- * @return properties
- */
- public static Properties getProperties(final String algorithmType, final
Collection<String> algorithmProperties) {
- validate(algorithmType, algorithmProperties);
- Properties result = new Properties();
- Iterator<String> keys =
TYPE_PROPERTIES_MAP.get(algorithmType).iterator();
- Iterator<String> values = algorithmProperties.iterator();
- while (keys.hasNext()) {
- result.setProperty(keys.next(), values.next());
- }
- return result;
- }
-
- private static void validate(final String algorithmType, final
Collection<String> algorithmProperties) {
-
Preconditions.checkArgument(TYPE_PROPERTIES_MAP.containsKey(algorithmType),
"Bad sharding algorithm type: %s.", algorithmType);
-
Preconditions.checkArgument(TYPE_PROPERTIES_MAP.get(algorithmType).size() ==
algorithmProperties.size(),
- "%s needs %d properties, but %s properties are given.",
algorithmType, TYPE_PROPERTIES_MAP.get(algorithmType).size(),
algorithmProperties.size());
- }
-}
diff --git
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
b/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/config/algorithm/ShardingSphereAlgorithmPropertiesAware.java
similarity index 72%
copy from
shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
copy to
shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/config/algorithm/ShardingSphereAlgorithmPropertiesAware.java
index 6fa8015..1459da0 100644
---
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-api/src/main/java/org/apache/shardingsphere/sharding/api/sharding/ShardingAutoTableAlgorithm.java
+++
b/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/config/algorithm/ShardingSphereAlgorithmPropertiesAware.java
@@ -15,18 +15,19 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.sharding.api.sharding;
+package org.apache.shardingsphere.infra.config.algorithm;
+
+import java.util.Collection;
/**
- * Sharding auto table algorithm.
- *
+ * ShardingSphere algorithm properties aware.
*/
-public interface ShardingAutoTableAlgorithm {
-
+public interface ShardingSphereAlgorithmPropertiesAware {
+
/**
- * Get auto tables amount.
- *
- * @return the auto tables amount
+ * Get all property keys.
+ *
+ * @return all property keys
*/
- int getAutoTablesAmount();
+ Collection<String> getAllPropertyKeys();
}
