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QueryKey.javaAPI DocHibernate 3.2.54081Thu Mar 16 07:14:48 GMT 2006org.hibernate.cache

QueryKey

public class QueryKey extends Object implements Serializable
A key that identifies a particular query with bound parameter values
author
Gavin King

Fields Summary
private final String
sqlQueryString
private final org.hibernate.type.Type[]
types
private final Object[]
values
private final Integer
firstRow
private final Integer
maxRows
private final Map
namedParameters
private final org.hibernate.EntityMode
entityMode
private final Set
filters
private final int
hashCode
private final org.hibernate.transform.ResultTransformer
customTransformer
Constructors Summary
public QueryKey(String queryString, org.hibernate.engine.QueryParameters queryParameters, Set filters, org.hibernate.EntityMode entityMode)

		this.sqlQueryString = queryString;
		this.types = queryParameters.getPositionalParameterTypes();
		this.values = queryParameters.getPositionalParameterValues();
		RowSelection selection = queryParameters.getRowSelection();
		if (selection!=null) {
			firstRow = selection.getFirstRow();
			maxRows = selection.getMaxRows();
		}
		else {
			firstRow = null;
			maxRows = null;
		}
		this.namedParameters = queryParameters.getNamedParameters();
		this.entityMode = entityMode;
		this.filters = filters;
		this.customTransformer = queryParameters.getResultTransformer();
		this.hashCode = getHashCode();
Methods Summary
public booleanequals(java.lang.Object other)

		QueryKey that = (QueryKey) other;
		if ( !sqlQueryString.equals(that.sqlQueryString) ) return false;
		if ( !EqualsHelper.equals(firstRow, that.firstRow) || !EqualsHelper.equals(maxRows, that.maxRows) ) return false;
		if ( !EqualsHelper.equals(customTransformer, that.customTransformer) ) return false;
		if (types==null) {
			if (that.types!=null) return false;
		}
		else {
			if (that.types==null) return false;
			if ( types.length!=that.types.length ) return false;
			for ( int i=0; i<types.length; i++ ) {
				if ( types[i].getReturnedClass() != that.types[i].getReturnedClass() ) return false;
				if ( !types[i].isEqual( values[i], that.values[i], entityMode ) ) return false;
			}
		}
		if ( !EqualsHelper.equals(filters, that.filters) ) return false;
		if ( !EqualsHelper.equals(namedParameters, that.namedParameters) ) return false;
		return true;
private intgetHashCode()

		int result = 13;
		result = 37 * result + ( firstRow==null ? 0 : firstRow.hashCode() );
		result = 37 * result + ( maxRows==null ? 0 : maxRows.hashCode() );
		for ( int i=0; i<values.length; i++ ) {
			result = 37 * result + ( values[i]==null ? 0 : types[i].getHashCode( values[i], entityMode ) );
		}
		result = 37 * result + ( namedParameters==null ? 0 : namedParameters.hashCode() );
		result = 37 * result + ( filters==null ? 0 : filters.hashCode() );
		result = 37 * result + ( customTransformer==null ? 0 : customTransformer.hashCode() );
		result = 37 * result + sqlQueryString.hashCode();
		return result;
public inthashCode()

		return hashCode;
public java.lang.StringtoString()

		StringBuffer buf = new StringBuffer()
			.append("sql: ")
			.append(sqlQueryString);
		if (values!=null) {
			buf.append("; parameters: ");
			for (int i=0; i<values.length; i++) {
				buf.append( values[i] )
					.append(", ");
			}
		}
		if (namedParameters!=null) {
			buf.append("; named parameters: ")
				.append(namedParameters);
		}
		if (filters!=null) {
			buf.append("; filters: ")
				.append(filters);
		}
		if (firstRow!=null) buf.append("; first row: ").append(firstRow);
		if (maxRows!=null) buf.append("; max rows: ").append(maxRows);
		if (customTransformer!=null) buf.append("; transformer: ").append(customTransformer);
		return buf.toString();