Java tutorial
/******************************************************************************* * =========================================================== * Ankush : Big Data Cluster Management Solution * =========================================================== * * (C) Copyright 2014, by Impetus Technologies * * This is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License (LGPL v3) as * published by the Free Software Foundation; * * This software is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this software; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ******************************************************************************/ package com.impetus.ankush.common.domain; import java.util.Date; import java.util.HashMap; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Lob; import javax.persistence.Table; import javax.persistence.Transient; import org.apache.commons.lang.SerializationUtils; /** * The Class Operation. */ @Entity @Table(name = "operation") public class Operation extends BaseObject { /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1L; /** The id. */ private Long id; /** The name. */ private String opName; private String startedBy; /** The started at. */ private Date startedAt; /** The completed at. */ private Date completedAt; /** The state. */ private String status; /** The cluster id. */ private Long clusterId; private Long operationId; private byte[] dataBytes; /** * Gets the id. * * @return the id */ @Id @GeneratedValue(strategy = GenerationType.AUTO) public Long getId() { return id; } /** * Sets the id. * * @param id * the id to set */ public void setId(Long id) { this.id = id; } /** * Gets the op name. * * @return the opName */ public String getOpName() { return opName; } /** * Sets the op name. * * @param opName * the opName to set */ public void setOpName(String opName) { this.opName = opName; } /** * Gets the started at. * * @return the startedAt */ public Date getStartedAt() { return startedAt; } /** * Sets the started at. * * @param startedAt * the startedAt to set */ public void setStartedAt(Date startedAt) { this.startedAt = startedAt; } /** * Gets the completed at. * * @return the completedAt */ public Date getCompletedAt() { return completedAt; } /** * Sets the completed at. * * @param completedAt * the completedAt to set */ public void setCompletedAt(Date completedAt) { this.completedAt = completedAt; } /** * Gets the status. * * @return the status */ public String getStatus() { return status; } /** * Sets the status. * * @param status * the status to set */ public void setStatus(String status) { this.status = status; } /** * Gets the cluster id. * * @return the clusterId */ public Long getClusterId() { return clusterId; } /** * Sets the cluster id. * * @param clusterId * the clusterId to set */ public void setClusterId(Long clusterId) { this.clusterId = clusterId; } /** * @return the operationId */ public Long getOperationId() { return operationId; } /** * @param operationId * the operationId to set */ public void setOperationId(Long operationId) { this.operationId = operationId; } /** * @return the startedBy */ public String getStartedBy() { return startedBy; } /** * @param startedBy * the startedBy to set */ public void setStartedBy(String startedBy) { this.startedBy = startedBy; } /** * Sets the conf bytes. * * @param confBytes * the confBytes to set */ private void setDataBytes(byte[] dataBytes) { this.dataBytes = dataBytes; } /** * Gets the conf bytes. * * @return the confBytes */ @Lob @Column(length = Integer.MAX_VALUE - 1) private byte[] getDataBytes() { return dataBytes; } /** * Gets the cluster conf. * * @return the cluster conf */ @Transient public HashMap<String, Object> getData() { if (getDataBytes() == null) { return null; } return (HashMap<String, Object>) SerializationUtils.deserialize(getDataBytes()); } @Transient public void setData(HashMap<String, Object> data) { setDataBytes(SerializationUtils.serialize(data)); } /* * (non-Javadoc) * * @see java.lang.Object#hashCode() */ @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((clusterId == null) ? 0 : clusterId.hashCode()); result = prime * result + ((completedAt == null) ? 0 : completedAt.hashCode()); result = prime * result + ((id == null) ? 0 : id.hashCode()); result = prime * result + ((opName == null) ? 0 : opName.hashCode()); result = prime * result + ((startedAt == null) ? 0 : startedAt.hashCode()); result = prime * result + ((status == null) ? 0 : status.hashCode()); return result; } /* * (non-Javadoc) * * @see java.lang.Object#equals(java.lang.Object) */ @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Operation other = (Operation) obj; if (clusterId == null) { if (other.clusterId != null) return false; } else if (!clusterId.equals(other.clusterId)) return false; if (completedAt == null) { if (other.completedAt != null) return false; } else if (!completedAt.equals(other.completedAt)) return false; if (id == null) { if (other.id != null) return false; } else if (!id.equals(other.id)) return false; if (opName == null) { if (other.opName != null) return false; } else if (!opName.equals(other.opName)) return false; if (startedAt == null) { if (other.startedAt != null) return false; } else if (!startedAt.equals(other.startedAt)) return false; if (status == null) { if (other.status != null) return false; } else if (!status.equals(other.status)) return false; return true; } }