/* * 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.sql.tree; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableMap; import java.util.List; import java.util.Map; import java.util.Objects; import java.util.Optional; import static com.google.common.base.MoreObjects.toStringHelper; import static java.util.Objects.requireNonNull; public class CreateSchema extends Statement { private final QualifiedName schemaName; private final boolean notExists; private final Map<String, Expression> properties; public CreateSchema(QualifiedName schemaName, boolean notExists, Map<String, Expression> properties) { this(Optional.empty(), schemaName, notExists, properties); } public CreateSchema(NodeLocation location, QualifiedName schemaName, boolean notExists, Map<String, Expression> properties) { this(Optional.of(location), schemaName, notExists, properties); } private CreateSchema(Optional<NodeLocation> location, QualifiedName schemaName, boolean notExists, Map<String, Expression> properties) { super(location); this.schemaName = requireNonNull(schemaName, "schemaName is null"); this.notExists = notExists; this.properties = ImmutableMap.copyOf(requireNonNull(properties, "properties is null")); } public QualifiedName getSchemaName() { return schemaName; } public boolean isNotExists() { return notExists; } public Map<String, Expression> getProperties() { return properties; } @Override public <R, C> R accept(AstVisitor<R, C> visitor, C context) { return visitor.visitCreateSchema(this, context); } @Override public List<Node> getChildren() { ImmutableList.Builder<Node> nodes = ImmutableList.builder(); nodes.addAll(properties.values()); return nodes.build(); } @Override public int hashCode() { return Objects.hash(schemaName, notExists, properties); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if ((obj == null) || (getClass() != obj.getClass())) { return false; } CreateSchema o = (CreateSchema) obj; return Objects.equals(schemaName, o.schemaName) && Objects.equals(notExists, o.notExists) && Objects.equals(properties, o.properties); } @Override public String toString() { return toStringHelper(this) .add("schemaName", schemaName) .add("notExists", notExists) .add("properties", properties) .toString(); } }