com.anaptecs.jeaf.junit.rest.generics.Pageable Maven / Gradle / Ivy
/*
* anaptecs GmbH, Ricarda-Huch-Str. 71, 72760 Reutlingen, Germany
*
* Copyright 2004 - 2021. All rights reserved.
*/
package com.anaptecs.jeaf.junit.rest.generics;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import javax.validation.ConstraintViolationException;
import javax.validation.Valid;
import com.anaptecs.jeaf.core.api.ServiceObject;
import com.anaptecs.jeaf.tools.api.validation.ValidationTools;
import com.anaptecs.jeaf.xfun.api.checks.Check;
import com.fasterxml.jackson.annotation.JsonSetter;
import com.fasterxml.jackson.annotation.Nulls;
@Valid
public class Pageable implements ServiceObject {
/**
* Default serial version uid.
*/
private static final long serialVersionUID = 1L;
@JsonSetter(nulls = Nulls.SKIP)
private List objects;
private int size;
/**
* Default constructor is only intended to be used for deserialization by tools like Jackson for JSON. For "normal"
* object creation builder should be used instead.
*/
protected Pageable( ) {
objects = new ArrayList();
}
/**
* Initialize object using the passed builder.
*
* @param pBuilder Builder that should be used to initialize this object. The parameter must not be null.
*/
protected Pageable( Builder pBuilder ) {
// Ensure that builder is not null.
Check.checkInvalidParameterNull(pBuilder, "pBuilder");
// Read attribute values from builder.
if (pBuilder.objects != null) {
objects = pBuilder.objects;
}
else {
objects = new ArrayList();
}
size = pBuilder.size;
}
/**
* Method returns a new builder.
*
* @return {@link Builder} New builder that can be used to create new Pageable objects.
*/
public static Builder builder( ) {
return new Builder();
}
/**
* Method returns a new builder.
*
* @return {@link Builder} New builder that can be used to create new Pageable objects.
*/
public static Builder builder( Class pClass ) {
return new Builder();
}
/**
* Class implements builder to create a new instance of class Pageable.
*/
public static class Builder {
private List objects;
private int size;
/**
* Use {@link Pageable#builder()} instead of private constructor to create new builder.
*/
protected Builder( ) {
}
/**
* Use {@link Pageable#builder(Pageable)} instead of private constructor to create new builder.
*/
protected Builder( Pageable pObject ) {
if (pObject != null) {
// Read attribute values from passed object.
this.setObjects(pObject.objects);
this.setSize(pObject.size);
}
}
/**
* Method sets association {@link #objects}.
*
* @param pObjects Collection to which {@link #objects} should be set.
* @return {@link Builder} Instance of this builder to support chaining setters. Method never returns null.
*/
public Builder setObjects( List pObjects ) {
// To ensure immutability we have to copy the content of the passed collection.
if (pObjects != null) {
objects = new ArrayList(pObjects);
}
else {
objects = null;
}
return this;
}
/**
* Method adds the passed objects to association {@link #objects}.
*
* @param pObjects Array of objects that should be added to {@link #objects}. The parameter may be null.
* @return {@link Builder} Instance of this builder to support chaining. Method never returns null.
*/
public Builder addToObjects( @SuppressWarnings("unchecked") T... pObjects ) {
if (pObjects != null) {
if (objects == null) {
objects = new ArrayList();
}
objects.addAll(Arrays.asList(pObjects));
}
return this;
}
/**
* Method sets attribute {@link #size}.
*
* @param pSize Value to which {@link #size} should be set.
* @return {@link Builder} Instance of this builder to support chaining setters. Method never returns null.
*/
public Builder setSize( int pSize ) {
// Assign value to attribute
size = pSize;
return this;
}
/**
* Method creates a new instance of class Pageable. The object will be initialized with the values of the builder.
*
* @return Pageable Created object. The method never returns null.
*/
public Pageable build( ) {
return new Pageable(this);
}
/**
* Method creates a new validated instance of class Pageable. The object will be initialized with the values of the
* builder and validated afterwards.
*
* @return Pageable Created and validated object. The method never returns null.
* @throws ConstraintViolationException in case that one or more validations for the created object failed.
*/
public Pageable buildValidated( ) throws ConstraintViolationException {
Pageable lObject = this.build();
ValidationTools.getValidationTools().enforceObjectValidation(lObject);
return lObject;
}
}
/**
* Method returns association {@link #objects}.
*
* @return {@link List} Value to which {@link #objects} is set. The method never returns null and the returned
* collection is modifiable.
*/
public List getObjects( ) {
// Return all T objects directly without any protection against modification.
return objects;
}
/**
* Method adds the passed object to {@link #objects}.
*
* @param pObjects Object that should be added to {@link #objects}. The parameter must not be null.
*/
public void addToObjects( T pObjects ) {
// Check parameter "pObjects" for invalid value null.
Check.checkInvalidParameterNull(pObjects, "pObjects");
// Add passed object to collection of associated T objects.
objects.add(pObjects);
}
/**
* Method adds all passed objects to {@link #objects}.
*
* @param pObjects Collection with all objects that should be added to {@link #objects}. The parameter must not be
* null.
*/
public void addToObjects( Collection pObjects ) {
// Check parameter "pObjects" for invalid value null.
Check.checkInvalidParameterNull(pObjects, "pObjects");
// Add all passed objects.
for (T lNextObject : pObjects) {
this.addToObjects(lNextObject);
}
}
/**
* Method removes the passed object from {@link #objects}.
*
* @param pObjects Object that should be removed from {@link #objects}. The parameter must not be null.
*/
public void removeFromObjects( T pObjects ) {
// Check parameter for invalid value null.
Check.checkInvalidParameterNull(pObjects, "pObjects");
// Remove passed object from collection of associated T objects.
objects.remove(pObjects);
}
/**
* Method removes all objects from {@link #objects}.
*/
public void clearObjects( ) {
// Remove all objects from association "objects".
objects.clear();
}
/**
* Method returns attribute {@link #size}.
*
* @return int Value to which {@link #size} is set.
*/
public int getSize( ) {
return size;
}
/**
* Method sets attribute {@link #size}.
*
* @param pSize Value to which {@link #size} should be set.
*/
public void setSize( int pSize ) {
// Assign value to attribute
size = pSize;
}
/**
* Method returns a StringBuilder that can be used to create a String representation of this object. The returned
* StringBuilder also takes care about attributes of super classes.
*
* @return {@link StringBuilder} StringBuilder representing this object. The method never returns null.
*/
public StringBuilder toStringBuilder( String pIndent ) {
StringBuilder lBuilder = new StringBuilder();
lBuilder.append(pIndent);
lBuilder.append(this.getClass().getName());
lBuilder.append(System.lineSeparator());
lBuilder.append(pIndent);
lBuilder.append("objects: ");
if (objects != null) {
lBuilder.append(objects.size());
lBuilder.append(" element(s)");
}
else {
lBuilder.append(" null");
}
lBuilder.append(System.lineSeparator());
if (objects != null) {
for (T lNext : objects) {
lBuilder.append(pIndent + " ");
lBuilder.append(lNext.toString());
lBuilder.append(System.lineSeparator());
}
}
lBuilder.append(pIndent);
lBuilder.append("size: ");
lBuilder.append(size);
lBuilder.append(System.lineSeparator());
return lBuilder;
}
/**
* Method creates a new String with the values of all attributes of this class. All references to other objects will
* be ignored.
*
* @return {@link String} String representation of this object. The method never returns null.
*/
@Override
public String toString( ) {
return this.toStringBuilder("").toString();
}
/**
* Method creates a new builder and initializes it with the data of this object.
*
* @return {@link Builder} New builder that can be used to create new Pageable objects. The method never returns null.
*/
public Builder toBuilder( ) {
return new Builder(this);
}
}