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Refactor ConnectorTableFunction into interface
Introduce an abstract class as base for implementations
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core/trino-spi/src/main/java/io/trino/spi/ptf/AbstractConnectorTableFunction.java
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/* | ||
* 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 io.trino.spi.ptf; | ||
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import io.trino.spi.connector.ConnectorSession; | ||
import io.trino.spi.connector.ConnectorTransactionHandle; | ||
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import java.util.List; | ||
import java.util.Map; | ||
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import static java.util.Objects.requireNonNull; | ||
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public abstract class AbstractConnectorTableFunction | ||
implements ConnectorTableFunction | ||
{ | ||
private final String schema; | ||
private final String name; | ||
private final List<ArgumentSpecification> arguments; | ||
private final ReturnTypeSpecification returnTypeSpecification; | ||
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public AbstractConnectorTableFunction(String schema, String name, List<ArgumentSpecification> arguments, ReturnTypeSpecification returnTypeSpecification) | ||
{ | ||
this.schema = requireNonNull(schema, "schema is null"); | ||
this.name = requireNonNull(name, "name is null"); | ||
this.arguments = List.copyOf(requireNonNull(arguments, "arguments is null")); | ||
this.returnTypeSpecification = requireNonNull(returnTypeSpecification, "returnTypeSpecification is null"); | ||
} | ||
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@Override | ||
public String getSchema() | ||
{ | ||
return schema; | ||
} | ||
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@Override | ||
public String getName() | ||
{ | ||
return name; | ||
} | ||
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@Override | ||
public List<ArgumentSpecification> getArguments() | ||
{ | ||
return arguments; | ||
} | ||
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@Override | ||
public ReturnTypeSpecification getReturnTypeSpecification() | ||
{ | ||
return returnTypeSpecification; | ||
} | ||
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@Override | ||
public abstract TableFunctionAnalysis analyze(ConnectorSession session, ConnectorTransactionHandle transaction, Map<String, Argument> arguments); | ||
} |
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