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java.lang.Object | +--org.z3950.zing.cql.CQLNode | +--org.z3950.zing.cql.CQLRelation
Represents a relation between a CQL qualifier 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(java.lang.String base)
Creates a new CQLRelation with the specified base relation. |
Method Summary | |
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void |
addModifier(java.lang.String modifier)
Adds a new relation modifier to the specified CQLRelation. |
java.lang.String |
getBase()
Returns the base relation with which the CQLRelation was originally created. |
java.lang.String[] |
getModifiers()
Returns an array of the modifiers associated with a CQLRelation. |
java.lang.String |
toCQL()
Decompiles a parse-tree into a CQL query. |
java.lang.String |
toPQF(java.util.Properties config)
Renders a parse-tree into a Yaz-style PQF string. |
byte[] |
toType1BER(java.util.Properties config)
Renders a parser-tree into a BER-endoded packet representing an equivalent Z39.50 Type-1 query. |
java.lang.String |
toXCQL(int level,
java.util.Vector prefixes)
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Methods inherited from class org.z3950.zing.cql.CQLNode |
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getResultSetName, indent, lenLen, makeOID, makeQuery, numLen, putLen, putNum, putTag, renderPrefixes, toXCQL, xq |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public CQLRelation(java.lang.String base)
Method Detail |
public java.lang.String getBase()
public void addModifier(java.lang.String modifier)
public java.lang.String[] getModifiers()
public java.lang.String toXCQL(int level, java.util.Vector prefixes)
toXCQL
in class CQLNode
public java.lang.String toCQL()
CQLNode
toCQL
in class CQLNode
public java.lang.String toPQF(java.util.Properties config) throws PQFTranslationException
CQLNode
toPQF
in class CQLNode
config
- A Properties object containing configuration
information that specifies the mapping from CQL qualifiers,
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(java.util.Properties config)
CQLNode
toType1BER
in class CQLNode
config
- A Properties object containing configuration
information that specifies the mapping from CQL qualifiers,
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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