software.amazon.awssdk.services.qldb.endpoints.internal.ParameterReference Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of qldb Show documentation

The AWS Java SDK for QLDB module holds the client classes that are used for communicating with QLDB.

There is a newer version: 2.29.15

/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is located at
 * 
 * http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.services.qldb.endpoints.internal;

import java.util.Objects;
import java.util.Optional;
import software.amazon.awssdk.annotations.SdkInternalApi;

@SdkInternalApi
public final class ParameterReference implements ToParameterReference {
    private final String name;
    private final String context;

    private ParameterReference(Builder builder) {
        this.name = builder.name;
        this.context = builder.context;
    }

    public String getName() {
        return name;
    }

    public Optional getContext() {
        return Optional.ofNullable(context);
    }

    public static ParameterReference from(String reference) {
        String[] split = reference.split("\\.", 2);
        return from(split[0], split.length == 2 ? split[1] : null);
    }

    public static ParameterReference from(String name, String context) {
        Builder builder = builder().name(name);
        if (context != null) {
            builder.context(context);
        }
        return builder.build();
    }

    public static Builder builder() {
        return new Builder();
    }

    @Override
    public ParameterReference toParameterReference() {
        return this;
    }

    @Override
    public String toString() {
        if (context == null) {
            return name;
        }
        return name + "." + context;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        ParameterReference that = (ParameterReference) o;
        return getName().equals(that.getName()) && Objects.equals(getContext(), that.getContext());
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + (context != null ? context.hashCode() : 0);
        return result;
    }

    public static class Builder {
        private String name;
        private String context;

        public Builder name(String name) {
            this.name = name;
            return this;
        }

        public Builder context(String context) {
            this.context = context;
            return this;
        }

        public ParameterReference build() {
            return new ParameterReference(this);
        }
    }
}