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ArangoDB Java Driver
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/*
 * DISCLAIMER
 *
 * Copyright 2016 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.entity;

import com.arangodb.entity.DocumentField.Type;

import java.util.Map;

/**
 * @author Mark Vollmary
 */
public class BaseEdgeDocument extends BaseDocument {

    private static final long serialVersionUID = 6904923804449368783L;

    @DocumentField(Type.FROM)
    private String from;
    @DocumentField(Type.TO)
    private String to;

    public BaseEdgeDocument() {
        super();
    }

    public BaseEdgeDocument(final String from, final String to) {
        super();
        this.from = from;
        this.to = to;
    }

    public BaseEdgeDocument(final String key, final String from, final String to) {
        super(key);
        this.from = from;
        this.to = to;
    }

    public BaseEdgeDocument(final Map properties) {
        super(properties);
        final Object tmpFrom = properties.remove(DocumentField.Type.FROM.getSerializeName());
        if (tmpFrom != null) {
            from = tmpFrom.toString();
        }
        final Object tmpTo = properties.remove(DocumentField.Type.TO.getSerializeName());
        if (tmpTo != null) {
            to = tmpTo.toString();
        }
    }

    public String getFrom() {
        return from;
    }

    public void setFrom(final String from) {
        this.from = from;
    }

    public String getTo() {
        return to;
    }

    public void setTo(final String to) {
        this.to = to;
    }

    @Override
    public String toString() {
        return "BaseDocument [documentRevision=" +
                revision +
                ", documentHandle=" +
                id +
                ", documentKey=" +
                key +
                ", from=" +
                from +
                ", to=" +
                to +
                ", properties=" +
                properties +
                "]";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((from == null) ? 0 : from.hashCode());
        result = prime * result + ((to == null) ? 0 : to.hashCode());
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (!super.equals(obj)) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final BaseEdgeDocument other = (BaseEdgeDocument) obj;
        if (from == null) {
            if (other.from != null) {
                return false;
            }
        } else if (!from.equals(other.from)) {
            return false;
        }
        if (to == null) {
            return other.to == null;
        } else return to.equals(other.to);
    }

}