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TableMetaDataImpl.java
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/* Copyright (c) restSQL Project Contributors. Licensed under MIT. */
package org.restsql.core.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlTransient;
import javax.xml.bind.annotation.XmlType;
import org.restsql.core.ColumnMetaData;
import org.restsql.core.TableMetaData;
/**
* Encapsulates table information for an SQL Resource.
*
* @author Mark Sawers
* @see ColumnMetaData
*/
@XmlType(name = "TableMetaData", namespace = "http://restsql.org/schema", propOrder = { "databaseName",
"tableName", "qualifiedTableName", "rowAlias", "rowSetAlias", "tableRole", "columnList",
"primaryKeyNames" })
public class TableMetaDataImpl implements TableMetaData {
@XmlElementWrapper(name = "columns", required = true)
@XmlElement(name = "column", type = ColumnMetaDataImpl.class, required = true)
private Collection<ColumnMetaData> columnList;
@XmlTransient
private Map<String, ColumnMetaData> columnMap;
@XmlAttribute(required = true)
private String databaseName;
@XmlElementWrapper(name = "primaryKeys")
@XmlElement(name = "column")
private List<String> primaryKeyNames;
@XmlTransient
private List<ColumnMetaData> primaryKeys;
@XmlAttribute(required = true)
private String qualifiedTableName;
@XmlAttribute(required = true)
private String rowAlias;
@XmlAttribute(required = true)
private String rowSetAlias;
@XmlAttribute(required = true)
private String tableName;
@XmlAttribute(required = true)
private TableRole tableRole;
// No-arg ctor required for JAXB
public TableMetaDataImpl() {
}
@Override
public void addColumn(final ColumnMetaData column) {
columnMap.put(column.getColumnLabel(), column);
}
@Override
public void addPrimaryKey(final ColumnMetaData column) {
primaryKeys.add(column);
primaryKeyNames.add(column.getQualifiedColumnName());
}
@Override
public Map<String, ColumnMetaData> getColumns() {
return columnMap;
}
@Override
public String getDatabaseName() {
return databaseName;
}
@Override
public List<ColumnMetaData> getPrimaryKeys() {
return primaryKeys;
}
@Override
public String getQualifiedTableName() {
return qualifiedTableName;
}
@XmlTransient
@Override
public String getRowAlias() {
return rowAlias;
}
@XmlTransient
@Override
public String getRowSetAlias() {
return rowSetAlias;
}
/**
* Returns row alias.
*
* @deprecated As of 0.8.11 use {@link #getRowAlias()}
*/
@Deprecated
@Override
@XmlTransient
public String getTableAlias() {
return rowAlias;
}
@Override
public String getTableName() {
return tableName;
}
@Override
public TableRole getTableRole() {
return tableRole;
}
@Override
public boolean isChild() {
return tableRole == TableRole.Child;
}
@Override
public boolean isParent() {
return tableRole == TableRole.Parent;
}
@Override
public void setAttributes(final String tableName, final String qualifedTableName,
final String databaseName, final TableRole tableRole) {
this.tableName = tableName;
rowAlias = tableName;
rowSetAlias = rowAlias + "s";
qualifiedTableName = qualifedTableName;
this.databaseName = databaseName;
this.tableRole = tableRole;
primaryKeys = new ArrayList<ColumnMetaData>();
primaryKeyNames = new ArrayList<String>();
columnMap = new HashMap<String, ColumnMetaData>();
columnList = columnMap.values();
}
@Override
public void setAliases(final String alias, final String rowAlias, final String rowSetAlias) {
if (tableRole == TableRole.Parent || tableRole == TableRole.Child) {
// Set the row alias
if (rowAlias != null) {
this.rowAlias = rowAlias;
} else if (alias != null) {
this.rowAlias = alias;
} // else default set in init() to tableName
// Set row set alias
if (rowSetAlias != null) {
this.rowSetAlias = rowSetAlias;
} else {
this.rowSetAlias = this.rowAlias + "s";
}
}
}
/**
* @deprecated As of 0.8.11 use {@link #setAliases(String, String, String)}
*/
@Deprecated
@Override
public void setTableAlias(final String tableAlias) {
rowAlias = tableAlias;
}
}