uk.gov.gchq.gaffer.data.element.function.ElementTuple Maven / Gradle / Ivy

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/*
 * Copyright 2016 Crown Copyright
 *
 * 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 uk.gov.gchq.gaffer.data.element.function;


import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import uk.gov.gchq.gaffer.commonutil.iterable.ChainedIterable;
import uk.gov.gchq.gaffer.data.element.Element;
import uk.gov.gchq.gaffer.data.element.IdentifierType;
import uk.gov.gchq.koryphe.tuple.Tuple;

/**
 * An ElementTuple implements {@link Tuple} wrapping an
 * {@link Element} and providing a getter and setter for the element's identifiers and properties.
 * This class allows Elements to be used with the function module whilst minimising dependencies.
 */
public class ElementTuple implements Tuple {
    private Element element;

    public ElementTuple() {
    }

    public ElementTuple(final Element element) {
        this.element = element;
    }

    public Element getElement() {
        return element;
    }

    public void setElement(final Element element) {
        this.element = element;
    }

    @Override
    public Object get(final String reference) {
        final IdentifierType idType = IdentifierType.fromName(reference);
        if (null == idType) {
            return element.getProperty(reference);
        }

        return element.getIdentifier(idType);
    }

    @Override
    public Iterable