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java.lang.Object org.z3950.zing.cql.CQLNode org.z3950.zing.cql.CQLSortNode
public class CQLSortNode
Represents a sort node in a CQL parse-tree.
Field Summary | |
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CQLNode |
subtree
The root of a subtree representing the query whose result is to be sorted. |
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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CQLSortNode(CQLNode subtree)
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Method Summary | |
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void |
addSortIndex(ModifierSet key)
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java.util.Vector<ModifierSet> |
getSortIndexes()
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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<CQLPrefix> prefixes,
java.util.Vector<ModifierSet> sortkeys)
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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, renderSortKeys, toXCQL, toXCQL, xq |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public CQLNode subtree
Constructor Detail |
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public CQLSortNode(CQLNode subtree)
Method Detail |
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public void addSortIndex(ModifierSet key)
public java.util.Vector<ModifierSet> getSortIndexes()
public java.lang.String toXCQL(int level, java.util.Vector<CQLPrefix> prefixes, java.util.Vector<ModifierSet> sortkeys)
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 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(java.util.Properties config) throws PQFTranslationException
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.
PQFTranslationException
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