Java tutorial
/* * Copyright 2010 The Scripps Research Institute * * 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 edu.scripps.fl.pubchem.db; import java.io.Serializable; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Table; import javax.persistence.UniqueConstraint; import org.apache.commons.lang.builder.ToStringBuilder; @Entity @Table(name = "xref", uniqueConstraints = { @UniqueConstraint(columnNames = { "xref_identifier", "xref_database" }) }) public class XRef implements Serializable { private Long id = -1L; private String database = ""; private String type = ""; private String name = ""; private String xRefId = ""; @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (!(obj instanceof XRef)) return false; XRef other = (XRef) obj; if (xRefId == null) { if (other.xRefId != null) return false; } else if (!xRefId.equals(other.xRefId)) return false; return true; } @Column(name = "xref_database") public String getDatabase() { return database; } @Id @Column(name = "xref_id") @GeneratedValue(strategy = GenerationType.AUTO) public Long getId() { return id; } @Column(name = "xref_name", length = 500) public String getName() { return name; } @Column(name = "xref_type") public String getType() { return type; } @Column(name = "xref_identifier") public String getXRefId() { return xRefId; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((xRefId == null) ? 0 : xRefId.hashCode()); return result; } public void setDatabase(String database) { this.database = database; } public void setId(Long id) { this.id = id; } public void setName(String name) { this.name = name; } public void setType(String type) { this.type = type; } public void setXRefId(String xrefId) { this.xRefId = xrefId; } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }