com.scalar.db.sql.statement.CreateNamespaceStatement Maven / Gradle / Ivy
package com.scalar.db.sql.statement;
import com.google.common.collect.ImmutableMap;
import java.util.Objects;
import javax.annotation.concurrent.Immutable;
@Immutable
public class CreateNamespaceStatement implements DdlStatement {
public final String namespaceName;
public final boolean ifNotExists;
public final ImmutableMap options;
private CreateNamespaceStatement(
String namespaceName, boolean ifNotExists, ImmutableMap options) {
this.namespaceName = Objects.requireNonNull(namespaceName);
this.ifNotExists = ifNotExists;
this.options = Objects.requireNonNull(options);
}
@Override
public String toSql() {
StringBuilder builder = new StringBuilder("CREATE NAMESPACE ");
if (ifNotExists) {
builder.append("IF NOT EXISTS ");
}
StatementUtils.appendObjectName(builder, namespaceName);
if (!options.isEmpty()) {
builder.append(" WITH ");
StatementUtils.appendOptions(builder, options);
}
return builder.toString();
}
@Override
public R accept(StatementVisitor visitor, C context) {
return visitor.visit(this, context);
}
@Override
public R accept(DdlStatementVisitor visitor, C context) {
return visitor.visit(this, context);
}
@Override
public String toString() {
return toSql();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof CreateNamespaceStatement)) {
return false;
}
CreateNamespaceStatement that = (CreateNamespaceStatement) o;
return ifNotExists == that.ifNotExists
&& Objects.equals(namespaceName, that.namespaceName)
&& Objects.equals(options, that.options);
}
@Override
public int hashCode() {
return Objects.hash(namespaceName, ifNotExists, options);
}
public static CreateNamespaceStatement create(
String namespaceName, boolean ifNotExists, ImmutableMap options) {
return new CreateNamespaceStatement(namespaceName, ifNotExists, options);
}
}