--- /dev/null
+/*
+ * Created on 8/04/2003
+ *
+ */
+package com.quantum.sql.metadata;
+
+import java.util.Vector;
+
+import com.quantum.util.StringMatrix;
+
+
+/**
+ * Class to hold the Metadata of a database element
+ * @author panic
+ */
+public class ObjectMetaData {
+ private StringMatrix columns = new StringMatrix();
+ private StringMatrix primaryKeys = new StringMatrix();
+ private StringMatrix foreignKeys = new StringMatrix();
+ private StringMatrix indexInfo = new StringMatrix();
+ private StringMatrix bestRowId = new StringMatrix();
+
+
+ /**
+ * Gives the order of the column in the primary key
+ * @param column
+ * @return the order of the column in the primary key, 0 if it's not part of it.
+ */
+ public int getPrimaryKeyOrder(String column){
+ if (primaryKeys.size() == 0) return 0;
+ StringMatrix keyColumns = primaryKeys.select("COLUMN_NAME", column); //$NON-NLS-1$
+ if (keyColumns != null && keyColumns.size() > 0) {
+ String index = keyColumns.get("KEY_SEQ", 0); // We suppose there is only a primary key //$NON-NLS-1$
+ if (index != null ) return Integer.parseInt(index);
+ }
+ return 0;
+ }
+
+ /**
+ * Gives the type of the column
+ * @param column
+ * @return the type of the column using the values defined in java.sql.Types
+ */
+ public int getColumnType(String column){
+ StringMatrix selectCol = columns.select("COLUMN_NAME", column); //$NON-NLS-1$
+ if (selectCol != null && selectCol.size() > 0) {
+ String type = selectCol.get("DATA_TYPE", 0); // It should be only one column //$NON-NLS-1$
+ if (type != null ) return Integer.parseInt(type);
+ }
+ return 0;
+
+ }
+
+ /**
+ * Returns a String with the names of the columns, separated by commas
+ */
+ public String getColumnsString() {
+ String result = ""; //$NON-NLS-1$
+ Vector columnNames = columns.getColumn("COLUMN_NAME"); //$NON-NLS-1$
+ for (int i = 0; i < columnNames.size(); i++) {
+ if (i > 0) result += ", "; //$NON-NLS-1$
+ result += (String) columnNames.get(i);
+ }
+ return result;
+ }
+
+ /**
+ * Returns a vector of Strings with the names of the columns
+ */
+ public Vector getColumnNamesVector() {
+ Vector result = new Vector();
+ Vector columnNames = columns.getColumn("COLUMN_NAME"); //$NON-NLS-1$
+ for (int i = 0; i < columnNames.size(); i++) {
+ result.add((String) columnNames.get(i));
+ }
+ return result;
+ }
+
+ // Inmediate getters and setters
+
+ /**
+ * @param matrix
+ */
+ public void setColumns(StringMatrix matrix) {
+ columns = matrix;
+ }
+ /**
+ * @param matrix
+ */
+ public void setForeignKeys(StringMatrix matrix) {
+ foreignKeys = matrix;
+ }
+
+ /**
+ * @param matrix
+ */
+ public void setPrimaryKeys(StringMatrix matrix) {
+ primaryKeys = matrix;
+ }
+ /**
+ * @param matrix
+ */
+ public void setBestRowId(StringMatrix matrix) {
+ bestRowId = matrix;
+ }
+
+ /**
+ * @param matrix
+ */
+ public void setIndexInfo(StringMatrix matrix) {
+ indexInfo = matrix;
+ }
+
+ /**
+ * @return
+ */
+ public StringMatrix getColumns() {
+ return columns;
+ }
+
+ /**
+ * @return
+ */
+ public StringMatrix getForeignKeys() {
+ return foreignKeys;
+ }
+
+ /**
+ * @return
+ */
+ public StringMatrix getPrimaryKeys() {
+ return primaryKeys;
+ }
+
+
+ /**
+ * @return
+ */
+ public StringMatrix getIndexInfo() {
+ return indexInfo;
+ }
+ /**
+ * @return
+ */
+ public StringMatrix getBestRowId() {
+ return bestRowId;
+ }
+
+
+ /**
+ * @param column
+ */
+ public void dropColumn(String columnName) {
+ columns.dropMatching("COLUMN_NAME", columnName); //$NON-NLS-1$
+ }
+
+ // Common Object interface
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#clone()
+ */
+ public Object clone() {
+ ObjectMetaData result = new ObjectMetaData();
+ result.columns = (StringMatrix) columns.clone();
+ result.primaryKeys = (StringMatrix) primaryKeys.clone();
+ result.indexInfo = (StringMatrix) indexInfo.clone();
+ result.foreignKeys = (StringMatrix) foreignKeys.clone();
+ return result;
+ }
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ public boolean equals(Object obj) {
+ if (!(obj instanceof ObjectMetaData)) return false;
+ ObjectMetaData obMd = (ObjectMetaData) obj;
+ return (columns.equals(obMd.columns) &&
+ primaryKeys.equals(obMd.primaryKeys) &&
+ indexInfo.equals(obMd.indexInfo) &&
+ foreignKeys.equals(obMd.foreignKeys) );
+ }
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#toString()
+ */
+ public String toString() {
+ return ( columns.toString() +
+ foreignKeys.toString() +
+ indexInfo.toString() +
+ primaryKeys.toString());
+ }
+
+ public String getQualifiedTableName(){
+ if (columns.size() < 1) return "";
+ String result = columns.get("TABLE_NAME", 0);
+ String schema = columns.get("TABLE_SCHEM", 0);
+ if (schema != null && schema.length() > 0)
+ result = schema + "." + result;
+ return result;
+
+ }
+
+
+}
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