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java.lang.Object org.z3950.zing.cql.CQLNode org.z3950.zing.cql.CQLRelation
public class CQLRelation
Represents a relation between a CQL index and term.
Field Summary |
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Fields inherited from class org.z3950.zing.cql.CQLNode |
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APPLICATION, BITSTRING, BOOLEAN, CONSTRUCTED, CONTEXT, ENUMERATED, EXTERNAL, GENERALSTRING, INTEGER, NULL, OBJECTDESCRIPTOR, OBJECTIDENTIFIER, OCTETSTRING, PRIMITIVE, PRIVATE, SEQUENCE, SET, UNIVERSAL, VISIBLESTRING |
Constructor Summary | |
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CQLRelation(String base)
Creates a new CQLRelation with the specified base relation. |
Method Summary | |
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String |
getBase()
Returns the base relation with which the CQLRelation was originally created. |
List<Modifier> |
getModifiers()
Returns an array of the modifiers associated with a CQLRelation. |
String |
toCQL()
Decompiles a parse-tree into a CQL query. |
String |
toPQF(Properties config)
Renders a parse-tree into a Yaz-style PQF string. |
byte[] |
toType1BER(Properties config)
Renders a parser-tree into a BER-endoded packet representing an equivalent Z39.50 Type-1 query. |
Methods inherited from class org.z3950.zing.cql.CQLNode |
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getResultSetName, lenLen, makeOID, makeQuery, numLen, putNum, putTag, toString, toXCQL |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public CQLRelation(String base)
Method Detail |
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public String getBase()
public List<Modifier> getModifiers()
public String toCQL()
CQLNode
toCQL
in class CQLNode
public String toPQF(Properties config) throws PQFTranslationException
CQLNode
toPQF
in class CQLNode
config
- A Properties object containing configuration
information that specifies the mapping from CQL indexes,
relations, etc. to Type-1 attributes. The mapping
specification is described in the CQL-Java distribution's
sample PQF-mapping configuration file,
etc/pqf.properties, which see.
PQFTranslationException
public byte[] toType1BER(Properties config)
CQLNode
toType1BER
in class CQLNode
config
- A Properties object containing configuration
information that specifies the mapping from CQL indexes,
relations, etc. to Type-1 attributes. The mapping
specification is described in the CQL-Java distribution's
sample PQF-mapping configuration file,
etc/pqf.properties, which see.
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