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/*
 * 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 com.hazelcast.org.apache.calcite.sql.validate;

import com.hazelcast.org.apache.calcite.sql.SqlIdentifier;
import com.hazelcast.org.apache.calcite.util.Util;

import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;

import java.util.List;

/**
 * Fully-qualified identifier.
 *
 * 

The result of calling * {@link com.hazelcast.org.apache.calcite.sql.validate.SqlValidatorScope#fullyQualify(com.hazelcast.org.apache.calcite.sql.SqlIdentifier)}, * a fully-qualified identifier contains the name (in correct case), * parser position, type, and scope of each component of the identifier. * *

It is immutable. */ public class SqlQualified { public final int prefixLength; public final @Nullable SqlValidatorNamespace namespace; public final SqlIdentifier identifier; private SqlQualified(@Nullable SqlValidatorScope scope, int prefixLength, @Nullable SqlValidatorNamespace namespace, SqlIdentifier identifier) { Util.discard(scope); this.prefixLength = prefixLength; this.namespace = namespace; this.identifier = identifier; } @Override public String toString() { return "{id: " + identifier.toString() + ", prefix: " + prefixLength + "}"; } public static SqlQualified create(@Nullable SqlValidatorScope scope, int prefixLength, @Nullable SqlValidatorNamespace namespace, SqlIdentifier identifier) { return new SqlQualified(scope, prefixLength, namespace, identifier); } public final List prefix() { return identifier.names.subList(0, prefixLength); } public final List suffix() { return Util.skip(identifier.names, prefixLength); } }





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