datamine.storage.idl.json.JsonTable.java Source code

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Here is the source code for datamine.storage.idl.json.JsonTable.java

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/**
 * Copyright (C) 2016 Turn Inc. (yan.qi@turn.com)
 *
 * 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 datamine.storage.idl.json;

import java.util.List;

import com.google.gson.GsonBuilder;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

/**
 * Definition of a table
 * @author tliu
 * @author yqi
 */
public class JsonTable implements JsonElement {

    @Expose
    @SerializedName("version")
    String version = "1";
    @Expose
    @SerializedName("table")
    String name;
    @Expose
    @SerializedName("fields")
    List<JsonField> fields;

    /**
     * get table name
     * @return
     */
    public String getName() {
        return name;
    }

    public String getVersion() {
        return version;
    }

    /**
     * get all the fields from table
     * @return
     */
    public List<JsonField> getFields() {
        return fields;
    }

    @Override
    public String toString() {
        return new GsonBuilder().setPrettyPrinting().create().toJson(this);
    }

    @Override
    public void accept(JsonElementVisitor visitor) {
        visitor.visit(this);
        for (JsonField field : fields) {
            field.accept(visitor);
        }
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((fields == null) ? 0 : fields.hashCode());
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        result = prime * result + version.hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (getClass() != obj.getClass()) {
            return false;
        }

        JsonTable other = (JsonTable) obj;
        if (fields == null) {
            if (other.fields != null)
                return false;
        } else if (!fields.equals(other.fields)) {
            return false;
        }

        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name)) {
            return false;
        }

        if (!version.equals(other.version)) {
            return false;
        }
        return true;
    }
}