com.mgmtp.jfunk.data.generator.data.FieldSet.java Source code

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Here is the source code for com.mgmtp.jfunk.data.generator.data.FieldSet.java

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/*
 * Copyright (c) 2015 mgm technology partners 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 com.mgmtp.jfunk.data.generator.data;

import java.util.Collections;
import java.util.Iterator;
import java.util.Set;

import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

import com.google.common.collect.Iterators;
import com.google.common.collect.Sets;
import com.mgmtp.jfunk.data.generator.GeneratorConstants;

/**
 * Represents a {@code field-set} element in the "indexed-fields" configuration file (defined by
 * {@link GeneratorConstants#INDEXED_FIELDS_FILE}).
 * 
 */
class FieldSet implements Iterable<Field> {
    private final String id;
    private final String dataKey;
    private final String dependsOn;
    private final Set<Field> fields = Sets.newLinkedHashSet();
    private final Set<String> dependencies = Sets.newHashSet();

    public FieldSet(final String id, final String dataKey, final String dependsOn) {
        this.id = id;
        this.dataKey = dataKey;
        this.dependsOn = dependsOn;
    }

    public void addField(final Field field) {
        fields.add(field);
        if (!field.getDataKey().equals(dataKey)) {
            dependencies.add(field.getDataKey());
        }
    }

    public String getId() {
        return id;
    }

    public String getDataKey() {
        return dataKey;
    }

    public String getDependsOn() {
        return dependsOn;
    }

    public Set<String> getDependencies() {
        return Collections.unmodifiableSet(dependencies);
    }

    @Override
    public Iterator<Field> iterator() {
        return Iterators.unmodifiableIterator(fields.iterator());
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
    }
}