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136 changes: 136 additions & 0 deletions
136
presto-main/src/main/java/com/facebook/presto/connector/system/GlobalSystemConnector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.connector.system; | ||
|
|
||
| import com.facebook.presto.spi.ColumnHandle; | ||
| import com.facebook.presto.spi.ColumnMetadata; | ||
| import com.facebook.presto.spi.ConnectorHandleResolver; | ||
| import com.facebook.presto.spi.ConnectorSession; | ||
| import com.facebook.presto.spi.ConnectorTableHandle; | ||
| import com.facebook.presto.spi.ConnectorTableMetadata; | ||
| import com.facebook.presto.spi.SchemaTableName; | ||
| import com.facebook.presto.spi.SchemaTablePrefix; | ||
| import com.facebook.presto.spi.SystemTable; | ||
| import com.facebook.presto.spi.TransactionalConnectorPageSourceProvider; | ||
| import com.facebook.presto.spi.TransactionalConnectorSplitManager; | ||
| import com.facebook.presto.spi.transaction.ConnectorTransactionHandle; | ||
| import com.facebook.presto.spi.transaction.IsolationLevel; | ||
| import com.facebook.presto.spi.transaction.TransactionalConnectorMetadata; | ||
| import com.facebook.presto.transaction.InternalTransactionalConnector; | ||
| import com.facebook.presto.transaction.TransactionId; | ||
| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import com.google.common.collect.ImmutableSet; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
|
||
| import static java.util.Objects.requireNonNull; | ||
|
|
||
| public class GlobalSystemConnector | ||
| implements InternalTransactionalConnector | ||
| { | ||
| public static final String NAME = "system"; | ||
|
|
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| private final String connectorId; | ||
| private final Set<SystemTable> systemTables; | ||
|
|
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| public GlobalSystemConnector(String connectorId, Set<SystemTable> systemTables) | ||
| { | ||
| this.connectorId = requireNonNull(connectorId, "connectorId is null"); | ||
| this.systemTables = ImmutableSet.copyOf(requireNonNull(systemTables, "systemTables is null")); | ||
| } | ||
|
|
||
| @Override | ||
| public ConnectorTransactionHandle beginTransaction(TransactionId transactionId, IsolationLevel isolationLevel, boolean readOnly) | ||
| { | ||
| return new GlobalSystemTransactionHandle(connectorId, transactionId); | ||
| } | ||
|
|
||
| @Override | ||
| public ConnectorHandleResolver getHandleResolver() | ||
| { | ||
| return new GlobalSystemHandleResolver(connectorId); | ||
| } | ||
|
|
||
| @Override | ||
| public TransactionalConnectorMetadata getMetadata(ConnectorTransactionHandle transactionHandle) | ||
| { | ||
| return new TransactionalConnectorMetadata() | ||
| { | ||
| @Override | ||
| public List<String> listSchemaNames(ConnectorSession session) | ||
| { | ||
| return ImmutableList.of(); | ||
| } | ||
|
|
||
| @Override | ||
| public ConnectorTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName) | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public ConnectorTableMetadata getTableMetadata(ConnectorSession session, ConnectorTableHandle table) | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
||
| @Override | ||
| public List<SchemaTableName> listTables(ConnectorSession session, String schemaNameOrNull) | ||
| { | ||
| return ImmutableList.of(); | ||
| } | ||
|
|
||
| @Override | ||
| public Map<String, ColumnHandle> getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle) | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
||
| @Override | ||
| public ColumnMetadata getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle) | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
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| @Override | ||
| public Map<SchemaTableName, List<ColumnMetadata>> listTableColumns(ConnectorSession session, SchemaTablePrefix prefix) | ||
| { | ||
| return ImmutableMap.of(); | ||
| } | ||
| }; | ||
| } | ||
|
|
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| @Override | ||
| public TransactionalConnectorSplitManager getSplitManager() | ||
| { | ||
| return new TransactionalConnectorSplitManager() {}; | ||
| } | ||
|
|
||
| @Override | ||
| public TransactionalConnectorPageSourceProvider getPageSourceProvider() | ||
| { | ||
| return (transactionHandle, session, split, columns) -> { | ||
| throw new UnsupportedOperationException(); | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public Set<SystemTable> getSystemTables() | ||
| { | ||
| return systemTables; | ||
| } | ||
| } |
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82 changes: 82 additions & 0 deletions
82
...o-main/src/main/java/com/facebook/presto/connector/system/GlobalSystemHandleResolver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.connector.system; | ||
|
|
||
| import com.facebook.presto.spi.ColumnHandle; | ||
| import com.facebook.presto.spi.ConnectorHandleResolver; | ||
| import com.facebook.presto.spi.ConnectorSplit; | ||
| import com.facebook.presto.spi.ConnectorTableHandle; | ||
| import com.facebook.presto.spi.transaction.ConnectorTransactionHandle; | ||
|
|
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| import static java.util.Objects.requireNonNull; | ||
|
|
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| public class GlobalSystemHandleResolver | ||
| implements ConnectorHandleResolver | ||
| { | ||
| private final String connectorId; | ||
|
|
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| public GlobalSystemHandleResolver(String connectorId) | ||
| { | ||
| this.connectorId = requireNonNull(connectorId, "connectorId is null"); | ||
| } | ||
|
|
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| @Override | ||
| public boolean canHandle(ConnectorTableHandle tableHandle) | ||
| { | ||
| return false; | ||
| } | ||
|
|
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| @Override | ||
| public boolean canHandle(ColumnHandle columnHandle) | ||
| { | ||
| return false; | ||
| } | ||
|
|
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| @Override | ||
| public boolean canHandle(ConnectorSplit split) | ||
| { | ||
| return false; | ||
| } | ||
|
|
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| @Override | ||
| public boolean canHandle(ConnectorTransactionHandle transactionHandle) | ||
| { | ||
| return (transactionHandle instanceof GlobalSystemTransactionHandle) && | ||
| ((GlobalSystemTransactionHandle) transactionHandle).getConnectorId().equals(connectorId); | ||
| } | ||
|
|
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| @Override | ||
| public Class<? extends ConnectorTableHandle> getTableHandleClass() | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
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| @Override | ||
| public Class<? extends ColumnHandle> getColumnHandleClass() | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
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| @Override | ||
| public Class<? extends ConnectorSplit> getSplitClass() | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
||
| @Override | ||
| public Class<? extends ConnectorTransactionHandle> getTransactionHandleClass() | ||
| { | ||
| return GlobalSystemTransactionHandle.class; | ||
| } | ||
| } |
81 changes: 81 additions & 0 deletions
81
...ain/src/main/java/com/facebook/presto/connector/system/GlobalSystemTransactionHandle.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.connector.system; | ||
|
|
||
| import com.facebook.presto.spi.transaction.ConnectorTransactionHandle; | ||
| import com.facebook.presto.transaction.TransactionId; | ||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
|
|
||
| import java.util.Objects; | ||
|
|
||
| import static com.google.common.base.MoreObjects.toStringHelper; | ||
| import static java.util.Objects.requireNonNull; | ||
|
|
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| public class GlobalSystemTransactionHandle | ||
| implements ConnectorTransactionHandle | ||
| { | ||
| private final String connectorId; | ||
| private final TransactionId transactionId; | ||
|
|
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| @JsonCreator | ||
| public GlobalSystemTransactionHandle( | ||
| @JsonProperty("connectorId") String connectorId, | ||
| @JsonProperty("transactionId") TransactionId transactionId) | ||
| { | ||
| this.connectorId = requireNonNull(connectorId, "connectorId is null"); | ||
| this.transactionId = requireNonNull(transactionId, "transactionId is null"); | ||
| } | ||
|
|
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| @JsonProperty | ||
| public String getConnectorId() | ||
| { | ||
| return connectorId; | ||
| } | ||
|
|
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| @JsonProperty | ||
| public TransactionId getTransactionId() | ||
| { | ||
| return transactionId; | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() | ||
| { | ||
| return Objects.hash(connectorId, transactionId); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean equals(Object obj) | ||
| { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null || getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| final GlobalSystemTransactionHandle other = (GlobalSystemTransactionHandle) obj; | ||
| return Objects.equals(this.connectorId, other.connectorId) && | ||
| Objects.equals(this.transactionId, other.transactionId); | ||
| } | ||
|
|
||
| @Override | ||
| public String toString() | ||
| { | ||
| return toStringHelper(this) | ||
| .add("connectorId", connectorId) | ||
| .add("transactionId", transactionId) | ||
| .toString(); | ||
| } | ||
| } |
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