com.hazelcast.jet.sql.impl.parse.SqlDropJob Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.parse;
import com.hazelcast.internal.util.Preconditions;
import com.hazelcast.org.apache.calcite.sql.SqlDrop;
import com.hazelcast.org.apache.calcite.sql.SqlIdentifier;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.SqlNode;
import com.hazelcast.org.apache.calcite.sql.SqlOperator;
import com.hazelcast.org.apache.calcite.sql.SqlSpecialOperator;
import com.hazelcast.org.apache.calcite.sql.SqlWriter;
import com.hazelcast.org.apache.calcite.sql.parser.SqlParserPos;
import com.hazelcast.org.apache.calcite.sql.validate.SqlValidator;
import com.hazelcast.org.apache.calcite.sql.validate.SqlValidatorScope;
import com.hazelcast.org.apache.calcite.util.ImmutableNullableList;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
import static java.util.Objects.requireNonNull;
public class SqlDropJob extends SqlDrop {
private static final SqlSpecialOperator OPERATOR =
new SqlSpecialOperator("DROP JOB", SqlKind.OTHER_DDL);
private final SqlIdentifier name;
private final SqlIdentifier withSnapshotName;
public SqlDropJob(SqlIdentifier name, boolean ifExists, SqlIdentifier withSnapshotName, SqlParserPos pos) {
super(OPERATOR, pos, ifExists);
this.name = requireNonNull(name, "Name should not be null");
this.withSnapshotName = withSnapshotName;
Preconditions.checkTrue(name.names.size() == 1, name.toString());
Preconditions.checkTrue(withSnapshotName == null || withSnapshotName.names.size() == 1, "" + withSnapshotName);
}
public String name() {
return name.toString();
}
public boolean ifExists() {
return ifExists;
}
@Nullable
public String withSnapshotName() {
return withSnapshotName != null ? withSnapshotName.toString() : null;
}
@Override @Nonnull
public SqlOperator getOperator() {
return OPERATOR;
}
@Override @Nonnull
public List getOperandList() {
return ImmutableNullableList.of(name);
}
@Override
public void unparse(SqlWriter writer, int leftPrec, int rightPrec) {
writer.keyword("DROP JOB");
if (ifExists) {
writer.keyword("IF EXISTS");
}
name.unparse(writer, leftPrec, rightPrec);
}
@Override
public void validate(SqlValidator validator, SqlValidatorScope scope) {
}
}
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