Java tutorial
/** * 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 com.gst.organisation.staff.domain; import java.util.Date; import java.util.LinkedHashMap; import java.util.Map; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.OneToOne; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import javax.persistence.UniqueConstraint; import org.apache.commons.lang.StringUtils; import com.gst.infrastructure.core.api.JsonCommand; import com.gst.infrastructure.core.data.EnumOptionData; import com.gst.infrastructure.core.domain.AbstractPersistableCustom; import com.gst.infrastructure.documentmanagement.domain.Image; import com.gst.organisation.office.domain.Office; import org.joda.time.LocalDate; @Entity @Table(name = "m_staff", uniqueConstraints = { @UniqueConstraint(columnNames = { "display_name" }, name = "display_name"), @UniqueConstraint(columnNames = { "external_id" }, name = "external_id_UNIQUE"), @UniqueConstraint(columnNames = { "mobile_no" }, name = "mobile_no_UNIQUE") }) public class Staff extends AbstractPersistableCustom<Long> { @Column(name = "firstname", length = 50) private String firstname; @Column(name = "lastname", length = 50) private String lastname; @Column(name = "display_name", length = 100) private String displayName; @Column(name = "mobile_no", length = 50, nullable = false, unique = true) private String mobileNo; @Column(name = "external_id", length = 100, nullable = true, unique = true) private String externalId; @ManyToOne @JoinColumn(name = "office_id", nullable = false) private Office office; @Column(name = "is_loan_officer", nullable = false) private boolean loanOfficer; @Column(name = "organisational_role_enum", nullable = true) private Integer organisationalRoleType; @Column(name = "is_active", nullable = false) private boolean active; @Column(name = "joining_date", nullable = true) @Temporal(TemporalType.DATE) private Date joiningDate; @ManyToOne @JoinColumn(name = "organisational_role_parent_staff_id", nullable = true) private Staff organisationalRoleParentStaff; @OneToOne(optional = true) @JoinColumn(name = "image_id", nullable = true) private Image image; public static Staff fromJson(final Office staffOffice, final JsonCommand command) { final String firstnameParamName = "firstname"; final String firstname = command.stringValueOfParameterNamed(firstnameParamName); final String lastnameParamName = "lastname"; final String lastname = command.stringValueOfParameterNamed(lastnameParamName); final String externalIdParamName = "externalId"; final String externalId = command.stringValueOfParameterNamedAllowingNull(externalIdParamName); final String mobileNoParamName = "mobileNo"; final String mobileNo = command.stringValueOfParameterNamedAllowingNull(mobileNoParamName); final String isLoanOfficerParamName = "isLoanOfficer"; final boolean isLoanOfficer = command.booleanPrimitiveValueOfParameterNamed(isLoanOfficerParamName); final String isActiveParamName = "isActive"; final Boolean isActive = command.booleanObjectValueOfParameterNamed(isActiveParamName); LocalDate joiningDate = null; final String joiningDateParamName = "joiningDate"; if (command.hasParameter(joiningDateParamName)) { joiningDate = command.localDateValueOfParameterNamed(joiningDateParamName); } return new Staff(staffOffice, firstname, lastname, externalId, mobileNo, isLoanOfficer, isActive, joiningDate); } protected Staff() { // } private Staff(final Office staffOffice, final String firstname, final String lastname, final String externalId, final String mobileNo, final boolean isLoanOfficer, final Boolean isActive, final LocalDate joiningDate) { this.office = staffOffice; this.firstname = StringUtils.defaultIfEmpty(firstname, null); this.lastname = StringUtils.defaultIfEmpty(lastname, null); this.externalId = StringUtils.defaultIfEmpty(externalId, null); this.mobileNo = StringUtils.defaultIfEmpty(mobileNo, null); this.loanOfficer = isLoanOfficer; this.active = (isActive == null) ? true : isActive; deriveDisplayName(firstname); if (joiningDate != null) { this.joiningDate = joiningDate.toDateTimeAtStartOfDay().toDate(); } } public EnumOptionData organisationalRoleData() { EnumOptionData organisationalRole = null; if (this.organisationalRoleType != null) { organisationalRole = StaffEnumerations.organisationalRole(this.organisationalRoleType); } return organisationalRole; } public void changeOffice(final Office newOffice) { this.office = newOffice; } public Map<String, Object> update(final JsonCommand command) { final Map<String, Object> actualChanges = new LinkedHashMap<>(7); final String officeIdParamName = "officeId"; if (command.isChangeInLongParameterNamed(officeIdParamName, this.office.getId())) { final Long newValue = command.longValueOfParameterNamed(officeIdParamName); actualChanges.put(officeIdParamName, newValue); } boolean firstnameChanged = false; final String firstnameParamName = "firstname"; if (command.isChangeInStringParameterNamed(firstnameParamName, this.firstname)) { final String newValue = command.stringValueOfParameterNamed(firstnameParamName); actualChanges.put(firstnameParamName, newValue); this.firstname = newValue; firstnameChanged = true; } boolean lastnameChanged = false; final String lastnameParamName = "lastname"; if (command.isChangeInStringParameterNamed(lastnameParamName, this.lastname)) { final String newValue = command.stringValueOfParameterNamed(lastnameParamName); actualChanges.put(lastnameParamName, newValue); this.lastname = newValue; lastnameChanged = true; } if (firstnameChanged || lastnameChanged) { deriveDisplayName(this.firstname); } final String externalIdParamName = "externalId"; if (command.isChangeInStringParameterNamed(externalIdParamName, this.externalId)) { final String newValue = command.stringValueOfParameterNamed(externalIdParamName); actualChanges.put(externalIdParamName, newValue); this.externalId = newValue; } final String mobileNoParamName = "mobileNo"; if (command.isChangeInStringParameterNamed(mobileNoParamName, this.mobileNo)) { final String newValue = command.stringValueOfParameterNamed(mobileNoParamName); actualChanges.put(mobileNoParamName, newValue); this.mobileNo = StringUtils.defaultIfEmpty(newValue, null); } final String isLoanOfficerParamName = "isLoanOfficer"; if (command.isChangeInBooleanParameterNamed(isLoanOfficerParamName, this.loanOfficer)) { final boolean newValue = command.booleanPrimitiveValueOfParameterNamed(isLoanOfficerParamName); actualChanges.put(isLoanOfficerParamName, newValue); this.loanOfficer = newValue; } final String isActiveParamName = "isActive"; if (command.isChangeInBooleanParameterNamed(isActiveParamName, this.active)) { final boolean newValue = command.booleanPrimitiveValueOfParameterNamed(isActiveParamName); actualChanges.put(isActiveParamName, newValue); this.active = newValue; } final String joiningDateParamName = "joiningDate"; if (command.isChangeInDateParameterNamed(joiningDateParamName, this.joiningDate)) { final String valueAsInput = command.stringValueOfParameterNamed(joiningDateParamName); actualChanges.put(joiningDateParamName, valueAsInput); final LocalDate newValue = command.localDateValueOfParameterNamed(joiningDateParamName); this.joiningDate = newValue.toDate(); } return actualChanges; } public boolean isNotLoanOfficer() { return !isLoanOfficer(); } public boolean isLoanOfficer() { return this.loanOfficer; } public boolean isNotActive() { return !isActive(); } public boolean isActive() { return this.active; } private void deriveDisplayName(final String firstname) { if (!StringUtils.isBlank(firstname)) { this.displayName = this.lastname + ", " + this.firstname; } else { this.displayName = this.lastname; } } public boolean identifiedBy(final Staff staff) { return getId().equals(staff.getId()); } public Long officeId() { return this.office.getId(); } public String displayName() { return this.displayName; } public String mobileNo() { return this.mobileNo; } public Office office() { return this.office; } public void setImage(Image image) { this.image = image; } public Image getImage() { return this.image; } }