at.alladin.rmbt.db.fields.Field.java Source code

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Here is the source code for at.alladin.rmbt.db.fields.Field.java

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/*******************************************************************************
 * Copyright 2013-2014 alladin-IT GmbH
 * 
 * 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 at.alladin.rmbt.db.fields;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.json.JSONObject;

public abstract class Field extends Number {
    private static final long serialVersionUID = 1L;

    protected final String dbKey;
    protected final String jsonKey;
    protected final boolean readOnly;

    public Field(final String dbKey, final String jsonKey, final boolean readOnly) {
        super();
        this.dbKey = dbKey;
        this.jsonKey = jsonKey;
        this.readOnly = readOnly;
    }

    public String getDbKey() {
        return dbKey;
    }

    public String getJsonKey() {
        return jsonKey;
    }

    public StringBuilder appendDbKey(final StringBuilder builder) {
        if (builder.length() > 0)
            builder.append(',');
        builder.append('"').append(dbKey).append('"');
        return builder;
    }

    public StringBuilder appendDbKeyValue(final StringBuilder builder) {
        appendDbKey(builder);
        builder.append("=").append(getSQLValue());
        return builder;
    }

    public StringBuilder appendDbValue(final StringBuilder builder) {
        if (builder.length() > 0)
            builder.append(',');
        builder.append(getSQLValue());
        return builder;
    }

    public CharSequence getSQLValue() {
        return "?";
    }

    public boolean isReadOnly() {
        return readOnly;
    }

    public abstract void setField(ResultSet rs) throws SQLException;

    public abstract void getField(PreparedStatement ps, int idx) throws SQLException;

    public abstract void setField(JSONObject obj);

    public abstract void clear();

    public abstract boolean isNull();

    public abstract void setString(String string);

}