be.ceau.chart.data.Data.java Source code

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Here is the source code for be.ceau.chart.data.Data.java

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/*
   Copyright 2016 Marceau Dewilde <m@ceau.be>
    
   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 be.ceau.chart.data;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;

import be.ceau.chart.dataset.Dataset;

@JsonInclude(Include.NON_EMPTY)
@JsonAutoDetect(fieldVisibility = Visibility.ANY, getterVisibility = Visibility.NONE, setterVisibility = Visibility.NONE)
public class Data<D extends Data<D, T, O>, T extends Dataset<T, O>, O> {

    private final List<String> labels = new ArrayList<String>();
    private final List<T> datasets = new ArrayList<T>();

    /**
     * @return unmodifiable list of all labels, never {@code null}
     */
    public List<String> getLabels() {
        return Collections.unmodifiableList(labels);
    }

    /**
     * Sets the backing label list, replacing any labels previously added or set
     * 
     * @param labels
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D setLabels(Collection<String> labels) {
        this.labels.clear();
        if (labels != null) {
            this.labels.addAll(labels);
        }
        return (D) this;
    }

    /**
     * Sets the backing label list, replacing any labels previously added or set
     * 
     * @param labels
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D setLabels(String... labels) {
        this.labels.clear();
        if (labels != null) {
            this.labels.addAll(Arrays.asList(labels));
        }
        return (D) this;
    }

    /**
     * Removes all labels from the backing list
     * 
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D clearLabels() {
        this.labels.clear();
        return (D) this;
    }

    /**
     * Adds the label to the backing label list
     * 
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D addLabel(String label) {
        this.labels.add(label);
        return (D) this;
    }

    /**
     * Adds the labels to the backing label list
     * 
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D addLabels(String... label) {
        this.labels.addAll(Arrays.asList(label));
        return (D) this;
    }

    /**
     * @return unmodifiable list of all datasets, never
     *         {@code null}
     */
    public List<T> getDatasets() {
        return Collections.unmodifiableList(datasets);
    }

    /**
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D setDatasets(Collection<T> datasets) {
        this.datasets.clear();
        if (datasets != null) {
            this.datasets.addAll(datasets);
        }
        return (D) this;
    }

    /**
     * @return this object to allow method chaining
     */
    @SuppressWarnings("unchecked")
    public D addDataset(T dataset) {
        this.datasets.add(dataset);
        return (D) this;
    }

}