org.apache.sqoop.model.MEnumInput.java Source code

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Here is the source code for org.apache.sqoop.model.MEnumInput.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.sqoop.model;

import org.apache.commons.lang.StringUtils;
import org.apache.sqoop.common.SqoopException;

import java.util.Arrays;

/**
 *
 */
public class MEnumInput extends MInput<String> {

    /**
     * Array of available values
     */
    String[] values;

    public MEnumInput(String name, boolean sensitive, String[] values) {
        super(name, sensitive);
        this.values = values;
    }

    public String[] getValues() {
        return values;
    }

    @Override
    public void setValue(String value) {
        // Null is allowed value
        if (value == null) {
            super.setValue(null);
            return;
        }

        // However non null values must be available from given enumeration list
        for (String allowedValue : values) {
            if (allowedValue.equals(value)) {
                super.setValue(value);
                return;
            }
        }

        // Otherwise we've got invalid value
        throw new SqoopException(ModelError.MODEL_008, "Invalid value " + value);
    }

    public void setValue(Enum value) {
        setValue(value.toString());
    }

    @Override
    public String getUrlSafeValueString() {
        return getValue();
    }

    @Override
    public void restoreFromUrlSafeValueString(String valueString) {
        setValue(valueString);
    }

    @Override
    public MInputType getType() {
        return MInputType.ENUM;
    }

    @Override
    public boolean hasExtraInfo() {
        return true;
    }

    @Override
    public String getExtraInfoToString() {
        return StringUtils.join(values, ",");
    }

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

        if (!(other instanceof MEnumInput)) {
            return false;
        }

        MEnumInput mei = (MEnumInput) other;
        return getName().equals(mei.getName()) && Arrays.equals(values, mei.values);
    }

    @Override
    public int hashCode() {
        int hash = 23 + 31 * getName().hashCode();
        for (String value : values) {
            hash += 31 * value.hashCode();
        }

        return hash;
    }

    @Override
    public boolean isEmpty() {
        return getValue() == null;
    }

    @Override
    public void setEmpty() {
        setValue((String) null);
    }

    @Override
    public MEnumInput clone(boolean cloneWithValue) {
        MEnumInput copy = new MEnumInput(this.getName(), this.isSensitive(), this.getValues());
        copy.setPersistenceId(this.getPersistenceId());
        if (cloneWithValue) {
            copy.setValue(this.getValue());
        }
        return copy;
    }
}